diff --git a/base/build.gradle b/base/build.gradle
index 6a871ca4..edaaac5d 100644
--- a/base/build.gradle
+++ b/base/build.gradle
@@ -1,6 +1,6 @@
 plugins {
     id 'java'
-    id 'io.freefair.lombok' version '${pluginLombok}'
+    id 'io.freefair.lombok' version "${pluginLombok}"
 }
 
 dependencies {
diff --git a/build.gradle b/build.gradle
index ff651018..b2890908 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 plugins {
     id 'java'
-    id 'io.freefair.lombok' version '${pluginLombok}'
+    id 'io.freefair.lombok' version "${pluginLombok}"
 }
 
 dependencies {
diff --git a/testapp/build.gradle b/testapp/build.gradle
index 256bf751..d82ccde3 100644
--- a/testapp/build.gradle
+++ b/testapp/build.gradle
@@ -1,8 +1,8 @@
 plugins {
     id 'java'
     id 'application'
-    id 'io.freefair.lombok' version '${pluginLombok}'
-    id 'com.github.johnrengelman.shadow' version '${pluginShadow}'
+    id 'io.freefair.lombok' version "${pluginLombok}"
+    id 'com.github.johnrengelman.shadow' version "${pluginShadow}"
 }
 
 dependencies {