diff --git a/package.json b/package.json
index f663a04819..efc254cb4e 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
     "debounce": "^1.0.0",
     "eslint": "3.12.1",
     "eslint-config-openlayers": "6.0.0",
-    "eslint-plugin-openlayers-internal": "^3.0.0",
+    "eslint-plugin-openlayers-internal": "^3.1.0",
     "expect.js": "0.3.1",
     "gaze": "^1.0.0",
     "istanbul": "0.4.5",
@@ -97,6 +97,7 @@
         }
       ],
       "no-constant-condition": 0,
+      "openlayers-internal/enum": 2,
       "openlayers-internal/no-duplicate-requires": 2,
       "openlayers-internal/no-missing-requires": 1,
       "openlayers-internal/no-unused-requires": 2,