diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2aad1e5..a660a17 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,6 +21,8 @@ jobs:
         run: |
           corepack yarn
       - name: Lint
+        env:
+          SHELLCHECK_SEVERITY: warning
         run: |
           corepack yarn lint
       - name: Test
diff --git a/package.json b/package.json
index e24b779..4583945 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "yarn": "3.6.0"
   },
   "scripts": {
-    "lint:shellcheck": "SEV=info; if [ \"${CI:-false}\" = \"true\" ]; then SEV=warning; fi; shellcheck --severity=${SEV} $(find . -name '*.sh' -maxdepth 2)",
+    "lint:shellcheck": "shellcheck --severity=${SHELLCHECK_SEVERITY:-info} $(find . -name '*.sh' -maxdepth 2)",
     "lint:style": "test/style.pl $(find . -name '*.sh' -maxdepth 2)",
     "lint": "npm-run-all -l 'lint:**'",
     "release:major": "env SEMANTIC=major yarn release",