diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5543c82..9dde8ff 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,11 +11,7 @@ jobs:
       matrix:
         # The MODULE environment variable is evaluated in build-all.sh to run a subset
         # of the builds. This way, multiple modules can be built in parallel.
-        module:
-          - module1
-          - module2
-          - module3
-          - module4
+        module: [ "module1", "module2", "module3", "module4" ]
 
     steps:
 
diff --git a/spring-boot/starter/gradlew b/spring-boot/starter/gradlew
old mode 100644
new mode 100755