diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b9490c9..6895405 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,13 @@ jobs:
           version: v3.16.0
 
       - name: Lint chart
-        run: helm lint .
+        run: |
+          helm lint . \
+            --set openldap.config.organisation=TestOrg \
+            --set openldap.config.domain=test.com \
+            --set openldap.config.adminPassword=testpass \
+            --set keycloak.admin.username=admin \
+            --set keycloak.admin.password=testpass
 
       - name: Validate JSON schema
         run: |