diff --git a/vanilla/Dockerfile b/vanilla/Dockerfile
index 021a819..13177f9 100644
--- a/vanilla/Dockerfile
+++ b/vanilla/Dockerfile
@@ -5,7 +5,7 @@ LABEL maintainer="fithwum"
 ENV ACCEPT_EULA=""
 ENV GAME_PORT=""
 ENV MC_VERSION=""
-ENV JAVA_VERSION="25"
+ENV JAVA_VERSION="21"
 ENV XMX_SIZE=""
 ENV XMS_SIZE=""
 ENV XMN_SIZE=""