diff --git a/Dockerfile b/Dockerfile
index 054acfd6b6e28bb860266ea9242eb0490a003569..fc7bd136a4b405fb3b6926434ea344b9fcf7062c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.14 as fetcher
+FROM alpine:3.15 as fetcher
 
 # Ubuntu focal architecture
 ARG FOCAL_ARCH="amd64"