diff --git a/.github/workflows/sorbet.yml b/.github/workflows/sorbet.yml
index 25bb875178..d5a42c3792 100644
--- a/.github/workflows/sorbet.yml
+++ b/.github/workflows/sorbet.yml
@@ -59,9 +59,12 @@ jobs:
             git commit -m "sorbet: Update RBI files." \
                        -m "Autogenerated by the [sorbet](https://github.com/Homebrew/brew/blob/master/.github/workflows/sorbet.yml) workflow."
 
-            git add "Library/Homebrew/"
-            git commit -m "sorbet: Autobump sigils via Spoom" \
-                       -m "Autogenerated by the [sorbet](https://github.com/Homebrew/brew/blob/master/.github/workflows/sorbet.yml) workflow."
+            if ! git diff --stat --exit-code "Library/Homebrew"
+            then
+              git add "Library/Homebrew/"
+              git commit -m "sorbet: Autobump sigils via Spoom" \
+                         -m "Autogenerated by the [sorbet](https://github.com/Homebrew/brew/blob/master/.github/workflows/sorbet.yml) workflow."
+            fi
 
             echo "committed=true" >> $GITHUB_OUTPUT
             PULL_REQUEST_STATE="$(gh pr view --json=state | jq -r ".state")"