diff --git a/Dockerfile b/Dockerfile
index 471d425..5074e85 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,7 +9,7 @@ ARG CAPNPROTO_DEV_VERSION=1.4.0-r0
 RUN --mount=type=cache,sharing=locked,target=/var/cache/apk \
     apk add --update capnproto-dev=${CAPNPROTO_DEV_VERSION}
 
-ARG CMAKE_VERSION=4.1.3-r0
+ARG CMAKE_VERSION=4.2.3-r0
 RUN --mount=type=cache,sharing=locked,target=/var/cache/apk \
     apk add --update cmake=${CMAKE_VERSION}