diff --git a/musl/Dockerfile.builder b/musl/Dockerfile.builder
index d4ac748..ceb1f6c 100644
--- a/musl/Dockerfile.builder
+++ b/musl/Dockerfile.builder
@@ -1,4 +1,4 @@
-FROM alpine:3.11
+FROM alpine:3.12
 
 RUN apk add --no-cache \
 		bzip2 \