diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 4e13c34..c5f18ec 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -5,3 +5,4 @@ jobs:
   ci:
     name: Validation
     uses: cncsc/actions/.github/workflows/validation.yaml@main
+    additionalHomebrewPackages: shellcheck
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d0ee1bf..619ad18 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -23,3 +23,7 @@ repos:
         language: system
         types: [javascript]
         stages: [push]
+  - repo: https://github.com/gruntwork-io/pre-commit
+    rev: v0.0.8
+    hooks:
+      - id: shellcheck