diff --git a/.github/workflows/cli.yml b/.github/workflows/cli.yml
index e076cec..220cee2 100644
--- a/.github/workflows/cli.yml
+++ b/.github/workflows/cli.yml
@@ -49,7 +49,7 @@ jobs:
           mkdir -p $GOPATH/bin
           curl -L -o $GOPATH/bin/gfmrun "https://github.com/urfave/gfmrun/releases/download/v1.2.14/gfmrun-$(go env GOOS)-amd64-v1.2.14"
           chmod +x $GOPATH/bin/gfmrun
-          npm install -g markdown-toc
+          npm install -g markdown-toc@1.2.0
 
       - name: Run Tests
         run: |