diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index 73080b0..91fb657 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -3,7 +3,7 @@
 #
 
 FROM tritonmedia/base as base
-FROM debian:10.2-slim
+FROM debian:12.1-slim
 # "static" stuff
 ENTRYPOINT ["/usr/bin/docker-entrypoint"]
 ENV DEBUG media:*
diff --git a/s3-mounter/Dockerfile b/s3-mounter/Dockerfile
index c3619d5..219d8fb 100644
--- a/s3-mounter/Dockerfile
+++ b/s3-mounter/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:10.2-slim
+FROM debian:12.1-slim
 
 ENTRYPOINT [ "/bin/bash" ]
 CMD [ "/usr/bin/s3-mounter" ]