diff --git a/Dockerfile b/Dockerfile
index 593167e4..3fba0c22 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 # BUILD CONTAINER
 ##
 
-FROM alpine:3.15.3 as certs
+FROM alpine:3.15.4 as certs
 
 RUN \
 apk add --no-cache ca-certificates