diff --git a/Dockerfile b/Dockerfile
index eae49e8..9b321d5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:10.4-slim@sha256:79326248a982be0b36e8280f906916fceffdd5c17a298b14446e5e72cc822fe7 AS prep
+FROM debian:10.5-slim@sha256:e0a33348ac8cace6b4294885e6e0bb57ecdfe4b6e415f1a7f4c5da5fe3116e02 AS prep
 ENV FLOX_VERSION master
 RUN set -ex; \
     \