diff --git a/Taskfile.yml b/Taskfile.yml
index 4d24f692..d4fc76d5 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -1512,7 +1512,7 @@ tasks:
     desc: Lint the generated Grafana dashboard JSON with gcx
     vars:
       # renovate: datasource=github-releases depName=grafana/gcx versioning=semver
-      GCX_VERSION: 1.2.0
+      GCX_VERSION: 1.3.0
       # renovate: datasource=docker depName=golang versioning=docker
       GOLANG_IMAGE_VERSION: 1.27.1-alpine@sha256:cf6fca6641884b8433441b2b0652976f975e1d0fdd26d177eaaf8596087f3125
       # gcx dev lint only accepts the resource-as-code envelope, so the classic