diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index 28aeef8..e0c4a0a 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -98,12 +98,27 @@ jobs:
             </table>
             </details>
               `;
-            github.rest.issues.createComment({
+            const { data: comments } = await github.rest.issues.listComments({
               issue_number: context.issue.number,
               owner: context.repo.owner,
-              repo: context.repo.repo,
-              body: commentBody
+              repo: context.repo.repo
             });
+            const comment = comments.find(comment => comment.body.includes('## Test Coverage Report'));
+            if (comment) {
+              await github.rest.issues.updateComment({
+                comment_id: comment.id,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                body: commentBody
+              });
+            } else {
+              await github.rest.issues.createComment({
+                issue_number: context.issue.number,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                body: commentBody
+              });
+            }
       - name: Post failure comment
         if: failure()
         uses: actions/github-script@v6
@@ -126,12 +141,27 @@ jobs:
               The following checks failed:
               ${failedStepsDetails}
             `;
-            github.rest.issues.createComment({
+            const { data: comments } = await github.rest.issues.listComments({
               issue_number: context.issue.number,
               owner: context.repo.owner,
-              repo: context.repo.repo,
-              body: commentBody
+              repo: context.repo.repo
             });
+            const comment = comments.find(comment => comment.body.includes('## Code Quality Checks Failed'));
+            if (comment) {
+              await github.rest.issues.updateComment({
+                comment_id: comment.id,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                body: commentBody
+              });
+            } else {
+              await github.rest.issues.createComment({
+                issue_number: context.issue.number,
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                body: commentBody
+              });
+            }
   generate-localizations:
     name: Generate localizations.
     needs: [code-quality]