diff --git a/Dockerfile b/Dockerfile
index 8ef17a5..45976b6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:bullseye-slim@sha256:924df86f8aad741a0134b2de7d8e70c5c6863f839caadef62609c1be1340daf5
+FROM debian:bookworm-slim@sha256:ea5ad531efe1ac11ff69395d032909baf423b8b88e9aade07e11b40b2e5a1338
 
 # renovate: datasource=github-tags depName=meetecho/janus-gateway versioning=semver
 ENV JANUS_VERSION v1.1.4