diff --git a/Dockerfile b/Dockerfile
index 3410c76..e98762a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -40,5 +40,5 @@ RUN pacman -S --noconfirm nodejs git
 ####################
 FROM base AS java
 
-# Install OpenJDK 21
-RUN pacman -S --noconfirm jdk21-openjdk
+# Install OpenJDK 21, various JVM languages & Gradle
+RUN pacman -S --noconfirm jdk21-openjdk kotlin groovy scala gradle