diff --git a/jsonnet/kube-prometheus/jsonnetfile.json b/jsonnet/kube-prometheus/jsonnetfile.json
index eacda694..6de3fa3c 100644
--- a/jsonnet/kube-prometheus/jsonnetfile.json
+++ b/jsonnet/kube-prometheus/jsonnetfile.json
@@ -48,7 +48,7 @@
                     "subdir": "Documentation/etcd-mixin"
                 }
             },
-            "version": "master"
+            "version": "e8ba375032e8e48d009759dfb285f7812e7bcb8c"
         },
         {
             "name": "prometheus",