diff --git a/dist/cli/index.js b/dist/cli/index.js
index 6940f30..aac84c4 100755
--- a/dist/cli/index.js
+++ b/dist/cli/index.js
@@ -665,45 +665,32 @@ class GitHubClient {
         if (!data) {
             throw new Error("Pull request creation failed");
         }
+        const promises = [];
         if (backport.labels.length > 0) {
-            try {
-                await this.octokit.issues.addLabels({
-                    owner: backport.owner,
-                    repo: backport.repo,
-                    issue_number: data.number,
-                    labels: backport.labels,
-                });
-            }
-            catch (error) {
-                this.logger.error(`Error setting labels: ${error}`);
-            }
+            promises.push(this.octokit.issues.addLabels({
+                owner: backport.owner,
+                repo: backport.repo,
+                issue_number: data.number,
+                labels: backport.labels,
+            }).catch(error => this.logger.error(`Error setting labels: ${error}`)));
         }
         if (backport.reviewers.length > 0) {
-            try {
-                await this.octokit.pulls.requestReviewers({
-                    owner: backport.owner,
-                    repo: backport.repo,
-                    pull_number: data.number,
-                    reviewers: backport.reviewers,
-                });
-            }
-            catch (error) {
-                this.logger.error(`Error requesting reviewers: ${error}`);
-            }
+            promises.push(this.octokit.pulls.requestReviewers({
+                owner: backport.owner,
+                repo: backport.repo,
+                pull_number: data.number,
+                reviewers: backport.reviewers,
+            }).catch(error => this.logger.error(`Error requesting reviewers: ${error}`)));
         }
         if (backport.assignees.length > 0) {
-            try {
-                await this.octokit.issues.addAssignees({
-                    owner: backport.owner,
-                    repo: backport.repo,
-                    issue_number: data.number,
-                    assignees: backport.assignees,
-                });
-            }
-            catch (error) {
-                this.logger.error(`Error setting assignees: ${error}`);
-            }
+            promises.push(this.octokit.issues.addAssignees({
+                owner: backport.owner,
+                repo: backport.repo,
+                issue_number: data.number,
+                assignees: backport.assignees,
+            }).catch(error => this.logger.error(`Error setting assignees: ${error}`)));
         }
+        await Promise.all(promises);
         return data.html_url;
     }
     // UTILS
@@ -892,64 +879,43 @@ class GitLabClient {
             assignee_ids: [],
         });
         const mr = data;
+        const promises = [];
         // labels
         if (backport.labels.length > 0) {
-            try {
-                this.logger.info("Setting labels: " + backport.labels);
-                await this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
-                    labels: backport.labels.join(","),
-                });
-            }
-            catch (error) {
-                this.logger.warn("Failure trying to update labels. " + error);
-            }
+            this.logger.info("Setting labels: " + backport.labels);
+            promises.push(this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
+                labels: backport.labels.join(","),
+            }).catch(error => this.logger.warn("Failure trying to update labels. " + error)));
         }
         // reviewers
-        const reviewerIds = [];
-        for (const r of backport.reviewers) {
-            try {
-                this.logger.debug("Retrieving user: " + r);
-                const user = await this.getUser(r);
-                reviewerIds.push(user.id);
-            }
-            catch (error) {
+        const reviewerIds = await Promise.all(backport.reviewers.map(async (r) => {
+            this.logger.debug("Retrieving user: " + r);
+            return this.getUser(r).then(user => user.id).catch(() => {
                 this.logger.warn(`Failed to retrieve reviewer ${r}`);
-            }
-        }
+                return undefined;
+            });
+        }));
         if (reviewerIds.length > 0) {
-            try {
-                this.logger.info("Setting reviewers: " + reviewerIds);
-                await this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
-                    reviewer_ids: reviewerIds.filter(r => r !== undefined),
-                });
-            }
-            catch (error) {
-                this.logger.warn("Failure trying to update reviewers. " + error);
-            }
+            this.logger.info("Setting reviewers: " + reviewerIds);
+            promises.push(this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
+                reviewer_ids: reviewerIds.filter(r => r !== undefined),
+            }).catch(error => this.logger.warn("Failure trying to update reviewers. " + error)));
         }
         // assignees
-        const assigneeIds = [];
-        for (const a of backport.assignees) {
-            try {
-                this.logger.debug("Retrieving user: " + a);
-                const user = await this.getUser(a);
-                assigneeIds.push(user.id);
-            }
-            catch (error) {
+        const assigneeIds = await Promise.all(backport.assignees.map(async (a) => {
+            this.logger.debug("Retrieving user: " + a);
+            return this.getUser(a).then(user => user.id).catch(() => {
                 this.logger.warn(`Failed to retrieve assignee ${a}`);
-            }
-        }
+                return undefined;
+            });
+        }));
         if (assigneeIds.length > 0) {
-            try {
-                this.logger.info("Setting assignees: " + assigneeIds);
-                await this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
-                    assignee_ids: assigneeIds.filter(a => a !== undefined),
-                });
-            }
-            catch (error) {
-                this.logger.warn("Failure trying to update assignees. " + error);
-            }
+            this.logger.info("Setting assignees: " + assigneeIds);
+            promises.push(this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
+                assignee_ids: assigneeIds.filter(a => a !== undefined),
+            }).catch(error => this.logger.warn("Failure trying to update assignees. " + error)));
         }
+        await Promise.all(promises);
         return mr.web_url;
     }
     /**
diff --git a/dist/gha/index.js b/dist/gha/index.js
index aa36c9c..b57156b 100755
--- a/dist/gha/index.js
+++ b/dist/gha/index.js
@@ -638,45 +638,32 @@ class GitHubClient {
         if (!data) {
             throw new Error("Pull request creation failed");
         }
+        const promises = [];
         if (backport.labels.length > 0) {
-            try {
-                await this.octokit.issues.addLabels({
-                    owner: backport.owner,
-                    repo: backport.repo,
-                    issue_number: data.number,
-                    labels: backport.labels,
-                });
-            }
-            catch (error) {
-                this.logger.error(`Error setting labels: ${error}`);
-            }
+            promises.push(this.octokit.issues.addLabels({
+                owner: backport.owner,
+                repo: backport.repo,
+                issue_number: data.number,
+                labels: backport.labels,
+            }).catch(error => this.logger.error(`Error setting labels: ${error}`)));
         }
         if (backport.reviewers.length > 0) {
-            try {
-                await this.octokit.pulls.requestReviewers({
-                    owner: backport.owner,
-                    repo: backport.repo,
-                    pull_number: data.number,
-                    reviewers: backport.reviewers,
-                });
-            }
-            catch (error) {
-                this.logger.error(`Error requesting reviewers: ${error}`);
-            }
+            promises.push(this.octokit.pulls.requestReviewers({
+                owner: backport.owner,
+                repo: backport.repo,
+                pull_number: data.number,
+                reviewers: backport.reviewers,
+            }).catch(error => this.logger.error(`Error requesting reviewers: ${error}`)));
         }
         if (backport.assignees.length > 0) {
-            try {
-                await this.octokit.issues.addAssignees({
-                    owner: backport.owner,
-                    repo: backport.repo,
-                    issue_number: data.number,
-                    assignees: backport.assignees,
-                });
-            }
-            catch (error) {
-                this.logger.error(`Error setting assignees: ${error}`);
-            }
+            promises.push(this.octokit.issues.addAssignees({
+                owner: backport.owner,
+                repo: backport.repo,
+                issue_number: data.number,
+                assignees: backport.assignees,
+            }).catch(error => this.logger.error(`Error setting assignees: ${error}`)));
         }
+        await Promise.all(promises);
         return data.html_url;
     }
     // UTILS
@@ -865,64 +852,43 @@ class GitLabClient {
             assignee_ids: [],
         });
         const mr = data;
+        const promises = [];
         // labels
         if (backport.labels.length > 0) {
-            try {
-                this.logger.info("Setting labels: " + backport.labels);
-                await this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
-                    labels: backport.labels.join(","),
-                });
-            }
-            catch (error) {
-                this.logger.warn("Failure trying to update labels. " + error);
-            }
+            this.logger.info("Setting labels: " + backport.labels);
+            promises.push(this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
+                labels: backport.labels.join(","),
+            }).catch(error => this.logger.warn("Failure trying to update labels. " + error)));
         }
         // reviewers
-        const reviewerIds = [];
-        for (const r of backport.reviewers) {
-            try {
-                this.logger.debug("Retrieving user: " + r);
-                const user = await this.getUser(r);
-                reviewerIds.push(user.id);
-            }
-            catch (error) {
+        const reviewerIds = await Promise.all(backport.reviewers.map(async (r) => {
+            this.logger.debug("Retrieving user: " + r);
+            return this.getUser(r).then(user => user.id).catch(() => {
                 this.logger.warn(`Failed to retrieve reviewer ${r}`);
-            }
-        }
+                return undefined;
+            });
+        }));
         if (reviewerIds.length > 0) {
-            try {
-                this.logger.info("Setting reviewers: " + reviewerIds);
-                await this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
-                    reviewer_ids: reviewerIds.filter(r => r !== undefined),
-                });
-            }
-            catch (error) {
-                this.logger.warn("Failure trying to update reviewers. " + error);
-            }
+            this.logger.info("Setting reviewers: " + reviewerIds);
+            promises.push(this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
+                reviewer_ids: reviewerIds.filter(r => r !== undefined),
+            }).catch(error => this.logger.warn("Failure trying to update reviewers. " + error)));
         }
         // assignees
-        const assigneeIds = [];
-        for (const a of backport.assignees) {
-            try {
-                this.logger.debug("Retrieving user: " + a);
-                const user = await this.getUser(a);
-                assigneeIds.push(user.id);
-            }
-            catch (error) {
+        const assigneeIds = await Promise.all(backport.assignees.map(async (a) => {
+            this.logger.debug("Retrieving user: " + a);
+            return this.getUser(a).then(user => user.id).catch(() => {
                 this.logger.warn(`Failed to retrieve assignee ${a}`);
-            }
-        }
+                return undefined;
+            });
+        }));
         if (assigneeIds.length > 0) {
-            try {
-                this.logger.info("Setting assignees: " + assigneeIds);
-                await this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
-                    assignee_ids: assigneeIds.filter(a => a !== undefined),
-                });
-            }
-            catch (error) {
-                this.logger.warn("Failure trying to update assignees. " + error);
-            }
+            this.logger.info("Setting assignees: " + assigneeIds);
+            promises.push(this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
+                assignee_ids: assigneeIds.filter(a => a !== undefined),
+            }).catch(error => this.logger.warn("Failure trying to update assignees. " + error)));
         }
+        await Promise.all(promises);
         return mr.web_url;
     }
     /**
diff --git a/src/service/git/github/github-client.ts b/src/service/git/github/github-client.ts
index af60837..012736b 100644
--- a/src/service/git/github/github-client.ts
+++ b/src/service/git/github/github-client.ts
@@ -82,45 +82,43 @@ export default class GitHubClient implements GitClient {
       throw new Error("Pull request creation failed");
     }
 
+    const promises = [];
+
     if (backport.labels.length > 0) {
-      try {
-        await this.octokit.issues.addLabels({
+      promises.push(
+        this.octokit.issues.addLabels({
           owner: backport.owner,
           repo: backport.repo,
           issue_number: (data as PullRequest).number,
           labels: backport.labels,
-        });
-      } catch (error) {
-        this.logger.error(`Error setting labels: ${error}`);
-      }
+        }).catch(error => this.logger.error(`Error setting labels: ${error}`))
+      );
     }
 
     if (backport.reviewers.length > 0) {
-      try {
-        await this.octokit.pulls.requestReviewers({
+      promises.push(
+        this.octokit.pulls.requestReviewers({
           owner: backport.owner,
           repo: backport.repo,
           pull_number: (data as PullRequest).number,
           reviewers: backport.reviewers,
-        });
-      } catch (error) {
-        this.logger.error(`Error requesting reviewers: ${error}`);
-      }
+        }).catch(error => this.logger.error(`Error requesting reviewers: ${error}`))
+      );
     }
 
     if (backport.assignees.length > 0) {
-      try {
-        await this.octokit.issues.addAssignees({
+      promises.push(
+        this.octokit.issues.addAssignees({
           owner: backport.owner,
           repo: backport.repo,
           issue_number: (data as PullRequest).number,
           assignees: backport.assignees,
-        });
-      } catch (error) {
-        this.logger.error(`Error setting assignees: ${error}`);
-      }
+        }).catch(error => this.logger.error(`Error setting assignees: ${error}`))
+      );
     }
 
+    await Promise.all(promises);
+
     return data.html_url;
   }
 
diff --git a/src/service/git/gitlab/gitlab-client.ts b/src/service/git/gitlab/gitlab-client.ts
index af091ba..3607c45 100644
--- a/src/service/git/gitlab/gitlab-client.ts
+++ b/src/service/git/gitlab/gitlab-client.ts
@@ -84,65 +84,60 @@ export default class GitLabClient implements GitClient {
     });
     
     const mr = data as MergeRequestSchema;
+    const promises = [];
 
     // labels
     if (backport.labels.length > 0) {
-      try {
-        this.logger.info("Setting labels: " + backport.labels);
-        await this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
+      this.logger.info("Setting labels: " + backport.labels);
+      promises.push(
+        this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
           labels: backport.labels.join(","),
-        });
-      } catch(error) {
-        this.logger.warn("Failure trying to update labels. " + error);
-      }
+        }).catch(error => this.logger.warn("Failure trying to update labels. " + error))
+      );
     }
 
     // reviewers
-    const reviewerIds: number[] = [];
-    for(const r of backport.reviewers) {
-      try {
-        this.logger.debug("Retrieving user: " + r);
-        const user = await this.getUser(r);
-        reviewerIds.push(user.id);
-      } catch(error) {
-        this.logger.warn(`Failed to retrieve reviewer ${r}`);
-      }
-    }
+    const reviewerIds = await Promise.all(backport.reviewers.map(async r => {
+      this.logger.debug("Retrieving user: " + r);
+      return this.getUser(r).then(user => user.id).catch(
+        () => {
+          this.logger.warn(`Failed to retrieve reviewer ${r}`);
+          return undefined;
+        }
+      );
+    }));
 
     if (reviewerIds.length > 0) {
-      try {
-        this.logger.info("Setting reviewers: " + reviewerIds);
-        await this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
+      this.logger.info("Setting reviewers: " + reviewerIds);
+      promises.push(
+        this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
           reviewer_ids: reviewerIds.filter(r => r !== undefined),
-        });
-      } catch(error) {
-        this.logger.warn("Failure trying to update reviewers. " + error);
-      }
+        }).catch(error => this.logger.warn("Failure trying to update reviewers. " + error))
+      );
     }
 
     // assignees
-    const assigneeIds: number[] = [];
-    for(const a of backport.assignees) {
-      try {
-        this.logger.debug("Retrieving user: " + a);
-        const user = await this.getUser(a);
-        assigneeIds.push(user.id);
-      } catch(error) {
-        this.logger.warn(`Failed to retrieve assignee ${a}`);
-      }
-    }
+    const assigneeIds = await Promise.all(backport.assignees.map(async a => {
+      this.logger.debug("Retrieving user: " + a);
+      return this.getUser(a).then(user => user.id).catch(
+        () => {
+          this.logger.warn(`Failed to retrieve assignee ${a}`);
+          return undefined;
+        }
+      );
+    }));
     
     if (assigneeIds.length > 0) {
-      try {
-        this.logger.info("Setting assignees: " + assigneeIds);
-        await this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
+      this.logger.info("Setting assignees: " + assigneeIds);
+      promises.push(
+        this.client.put(`/projects/${projectId}/merge_requests/${mr.iid}`, {
           assignee_ids: assigneeIds.filter(a => a !== undefined),
-        });
-      } catch(error) {
-        this.logger.warn("Failure trying to update assignees. " + error);
-      }
+        }).catch(error => this.logger.warn("Failure trying to update assignees. " + error))
+      );
     }
 
+    await Promise.all(promises);
+
     return mr.web_url;
   }
 
diff --git a/test/service/runner/cli-gitlab-runner.test.ts b/test/service/runner/cli-gitlab-runner.test.ts
index 7f9ea43..08a36b9 100644
--- a/test/service/runner/cli-gitlab-runner.test.ts
+++ b/test/service/runner/cli-gitlab-runner.test.ts
@@ -36,7 +36,7 @@ jest.mock("axios", () => {
           iid: 1, // FIXME: I am not testing this atm
         }
       }),
-      put: jest.fn(),
+      put: async () => undefined,
     }),
   };
 });
diff --git a/test/service/runner/gha-gitlab-runner.test.ts b/test/service/runner/gha-gitlab-runner.test.ts
index 6f766c3..113b5a4 100644
--- a/test/service/runner/gha-gitlab-runner.test.ts
+++ b/test/service/runner/gha-gitlab-runner.test.ts
@@ -36,7 +36,7 @@ jest.mock("axios", () => {
           iid: 1, // FIXME: I am not testing this atm
         }
       }),
-      put: jest.fn(),
+      put: async () => undefined, // make it async so that .catch doesn't throw an error
     }),
   };
 });
diff --git a/test/support/mock/git-client-mock-support.ts b/test/support/mock/git-client-mock-support.ts
index 040429d..6a3b4a8 100644
--- a/test/support/mock/git-client-mock-support.ts
+++ b/test/support/mock/git-client-mock-support.ts
@@ -59,7 +59,7 @@ export const postAxiosMocked = (_url: string, data?: {source_branch: string,}) =
   };
 };
 
-export const putAxiosMocked = (url: string, _data?: unknown) => {
+export const putAxiosMocked = async (url: string, _data?: unknown) => {
   const responseData = undefined;
 
   // gitlab