diff --git a/contrib/build.Dockerfile b/contrib/build.Dockerfile
index 4fd8c9396..c99ceaf44 100644
--- a/contrib/build.Dockerfile
+++ b/contrib/build.Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bookworm-slim
+FROM debian:buster-slim
 
 SHELL ["/bin/bash", "-c"]