diff --git a/package.json b/package.json
index 685bda43..6bf5cc8d 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "lint-staged": "6.1.1",
     "lodash": "4.17.10",
     "mocha": "4.1.0",
-    "nyc": "11.9.0",
+    "nyc": "12.0.2",
     "pre-commit": "1.2.2",
     "prettier": "1.14.2",
     "rimraf": "2.6.2",
diff --git a/packages/apollo-fetch/package.json b/packages/apollo-fetch/package.json
index a8d54500..071c5afb 100644
--- a/packages/apollo-fetch/package.json
+++ b/packages/apollo-fetch/package.json
@@ -63,7 +63,7 @@
     "lerna": "2.11.0",
     "lodash": "4.17.10",
     "mocha": "4.1.0",
-    "nyc": "11.9.0",
+    "nyc": "12.0.2",
     "rimraf": "2.6.2",
     "rollup": "0.64.1",
     "sinon": "4.5.0",