diff --git a/Dockerfile b/Dockerfile
index 39b5702..998249b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
-FROM debian:bullseye-slim
+FROM debian:bookworm-slim
 
 RUN apt-get update && \
-    apt-get install extrepo -y && \
+    apt-get install ca-certificates extrepo -y && \
     extrepo enable prosody && \
     apt-get update && \
     apt-get install prosody prosody-modules -y