diff --git a/.github/workflows/update-sources.main.yaml b/.github/workflows/update-sources.main.yaml
index 3b5eee695..0a8c822ec 100644
--- a/.github/workflows/update-sources.main.yaml
+++ b/.github/workflows/update-sources.main.yaml
@@ -56,7 +56,7 @@ jobs:
         [bot] Update main from tektoncd/hub to ${NEW_COMMIT}
 
             $ git diff --stat ${NEW_COMMIT}..${OLD_COMMIT}
-        $(cat /tmp/diff.txt | sed 's/^/    /')
+        $(cat /tmp/diff.txt | sed 's/^/    /' | head -c 100)
         
         https://github.com/tektoncd/hub/compare/${NEW_COMMIT}..${OLD_COMMIT}
         EOF
diff --git a/.github/workflows/update-sources.next.yaml b/.github/workflows/update-sources.next.yaml
index 7baf02624..05e8e2dd9 100644
--- a/.github/workflows/update-sources.next.yaml
+++ b/.github/workflows/update-sources.next.yaml
@@ -56,7 +56,7 @@ jobs:
         [bot] Update next from tektoncd/hub to ${NEW_COMMIT}
 
             $ git diff --stat ${NEW_COMMIT}..${OLD_COMMIT}
-        $(cat /tmp/diff.txt | sed 's/^/    /')
+        $(cat /tmp/diff.txt | sed 's/^/    /' | head -c 100)
         
         https://github.com/tektoncd/hub/compare/${NEW_COMMIT}..${OLD_COMMIT}
         EOF