diff --git a/.github/workflows/gt-update.yml b/.github/workflows/gt-update.yml
index 15a082f0..49354fd1 100644
--- a/.github/workflows/gt-update.yml
+++ b/.github/workflows/gt-update.yml
@@ -114,6 +114,8 @@ jobs:
           	} && false || cd "$currentDir" && rm -r "$tmpDir" && "${result:-false}"
           # end install.doc.sh
       #gt-placeholder-gh-action-checkout-2-start
+      - name: Install shfmt
+        run: ./src/ci/install-shfmt.sh
       - uses: actions/checkout@v7
       #gt-placeholder-gh-action-checkout-2-end
       - name: reset gpg keys