diff --git a/.github/workflows/shellcheck.yml b/.github/workflows/shellcheck.yml
--- a/.github/workflows/shellcheck.yml
+++ b/.github/workflows/shellcheck.yml
@@ -11,6 +11,9 @@
     steps:
       - uses: actions/checkout@v2
 
+      - name: Install ShellCheck
+        run: sudo apt-get update && DEBIAN_FRONTEND=noninteractive sudo apt-get install -y shellcheck
+
       - name: Set globstar
         run: shopt -s globstar