diff --git a/docker/Dockerfile b/docker/Dockerfile
index 61b530d7b63022d12e87d5f784902f409c6a7688..c7699a22154dee06b98a1cc33463e24d49d81fbd 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,5 +1,5 @@
 # Keep distro in sync with CI builder! We run perf inside the container, needs to work with host kernel.
-FROM debian:buster
+FROM debian:bookworm
 
 # apt package installation
 # gmp: needed by Coq