diff --git a/Dockerfile b/Dockerfile
index c84f6ef..20a8976 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.25
+# syntax=docker/dockerfile:1.26
 
 # Build the manager binary.
 FROM golang:1.26 AS prep
diff --git a/Dockerfile.goreleaser b/Dockerfile.goreleaser
index 6153cfb..b271a54 100644
--- a/Dockerfile.goreleaser
+++ b/Dockerfile.goreleaser
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.25
+# syntax=docker/dockerfile:1.26
 
 FROM --platform=$BUILDPLATFORM alpine:3.24 AS prep