diff --git a/Dockerfile b/Dockerfile
index 4c362379e8..492f3ca6eb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 ARG DEBIAN_IMAGE=debian:bookworm-slim
-ARG RUST_IMAGE=rust:1.77-slim-bookworm
+ARG RUST_IMAGE=rust:1.76-slim-bookworm
 ARG PYTHON_IMAGE=python:3.11.4-slim-bookworm
 
 FROM ${DEBIAN_IMAGE} as nsjail