diff --git a/Dockerfile b/Dockerfile
index 7051e4a..0c458ec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM balena/open-balena-base:v18.0.20-no-systemd
+FROM balena/open-balena-base:v18.0.21-no-systemd
 
 ENV REGISTRY_VERSION 2.8.3
 ENV REGISTRY_SHA256_amd64 b1f750ecbe09f38e2143e22c61a25e3da2afe1510d9522859230b480e642ceff