diff --git a/git/Dockerfile b/git/Dockerfile
index 87cb3d1ab..7f526f0dd 100644
--- a/git/Dockerfile
+++ b/git/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:24.04@sha256:d4f6f70979d0758d7a6f81e34a61195677f4f4fa576eaf808b79f17499fd93d1
 
 RUN apt-get update && apt-get install --no-install-recommends -y git=1:2.43.0-1ubuntu7.1 openssh-client=1:9.6p1-3ubuntu13.4 && rm -rf /var/lib/apt/lists/*