diff --git a/node_modules/mem/node_modules/mimic-fn/package.json b/node_modules/mem/node_modules/mimic-fn/package.json
index ac43d06ca4..0c300b3500 100644
--- a/node_modules/mem/node_modules/mimic-fn/package.json
+++ b/node_modules/mem/node_modules/mimic-fn/package.json
@@ -35,8 +35,8 @@
     "change"
   ],
   "devDependencies": {
-    "ava": "^2.1.0",
-    "tsd": "^0.7.1",
-    "xo": "^0.24.0"
+    "ava": "^4.0.0",
+    "tsd": "^0.17.0",
+    "xo": "^0.40.3"
   }
 }
\ No newline at end of file