diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index cc8a8a5..24e5d86 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -6,6 +6,7 @@ RUN git clone https://gem5.googlesource.com/public/gem5 /gem5
 
 WORKDIR /gem5
 
+RUN git checkout 3bb19be083d38249d1e1652184d05b0e6406a660
 RUN scons -j`nproc` build/ALL/gem5.fast
 
 FROM gcr.io/gem5-test/ubuntu-22.04_all-dependencies:latest