diff --git a/orx-olive/build.gradle b/orx-olive/build.gradle
index 64d1cab6..566a9de4 100644
--- a/orx-olive/build.gradle
+++ b/orx-olive/build.gradle
@@ -1,4 +1,4 @@
 dependencies {
     compile project(":orx-file-watcher")
-    compile "org.jetbrains.kotlin:kotlin-scripting-jsr223:1.3.50"
+    compile "org.jetbrains.kotlin:kotlin-scripting-jsr223:$kotlinVersion"
 }
\ No newline at end of file
diff --git a/orx-palette/build.gradle b/orx-palette/build.gradle
index 0d0cc5a8..2acf5ee7 100644
--- a/orx-palette/build.gradle
+++ b/orx-palette/build.gradle
@@ -1,5 +1,5 @@
 dependencies {
-    compile "com.google.code.gson:gson:2.8.6"
+    compile "com.google.code.gson:gson:$gsonVersion"
     implementation project(":orx-noise")
 }