diff --git a/Dockerfile-ultra-lite b/Dockerfile-ultra-lite
index f6c73df0..e01debb0 100644
--- a/Dockerfile-ultra-lite
+++ b/Dockerfile-ultra-lite
@@ -35,7 +35,10 @@ RUN mkdir /configs /logs /customFiles && \
         tini \
         bash \
         curl \
-        openjdk17-jre
+        openjdk17-jre && \
+    echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/main" | tee -a /etc/apk/repositories && \
+    echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/community" | tee -a /etc/apk/repositories && \
+    echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/testing" | tee -a /etc/apk/repositories
 
 # Set environment variables
 ENV ENDPOINTS_GROUPS_TO_REMOVE=CLI