diff --git a/dev/build/Dockerfile b/dev/build/Dockerfile
index e7cc510bc..bede86fac 100644
--- a/dev/build/Dockerfile
+++ b/dev/build/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/ietf-tools/datatracker-app-base:latest
+FROM ghcr.io/ietf-tools/datatracker-app-base:2024102800
 LABEL maintainer="IETF Tools Team <tools-discuss@ietf.org>"
 
 ENV DEBIAN_FRONTEND=noninteractive