diff --git a/dhall/Dockerfile b/dhall/Dockerfile
index 981a17574..ec677497c 100644
--- a/dhall/Dockerfile
+++ b/dhall/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.14
+FROM alpine:3.15
 
 # renovate: datasource=github-releases depName=dhall-lang/dhall-haskell
 ARG DHALL_VERSION=1.40.2