diff --git a/Dockerfile b/Dockerfile
index 72a92f9..5c03e87 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.20.3 AS drone-ca-certs
+FROM alpine:3.21.0 AS drone-ca-certs
 
 RUN apk add --update-cache --no-cache ca-certificates