diff --git a/Dockerfile b/Dockerfile
index 465f79a..51f7dd5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.11 AS builder
+FROM alpine:3.12 AS builder
 
 ENV NC_VERSION=19.0.0
 ENV NC_SHA256_SUM=d23d429657c5e3476d7e73af1eafc70e42a81cfe2ed65b20655a005724fe0aae