diff --git a/pooler/Dockerfile b/pooler/Dockerfile
index f4d7b86d9..2f29a4c26 100644
--- a/pooler/Dockerfile
+++ b/pooler/Dockerfile
@@ -8,7 +8,7 @@ RUN apk --update add \
 
 RUN git clone \
     --single-branch \
-    --branch=stable-1.25 \
+    --branch=stable-1.23 \
     --depth 1 \
     https://github.com/pgbouncer/pgbouncer.git