diff --git a/.npmrc b/.npmrc
index 9cf9495..5c69597 100644
--- a/.npmrc
+++ b/.npmrc
@@ -1 +1,2 @@
-package-lock=false
\ No newline at end of file
+package-lock=false
+save-exact=false
diff --git a/package.json b/package.json
index a67617b..13d45b4 100644
--- a/package.json
+++ b/package.json
@@ -10,8 +10,8 @@
     "scripts": {
         "lint": "xo",
         "test": "xo && ava",
-        "report": "nyc ava",
-        "coverage": "nyc --reporter json --reporter text ava && codecov -f coverage/coverage-final.json",
+        "report": "c8 --reporter json --reporter text ava",
+        "coverage": "c8 --reporter json --reporter text ava && codecov -f coverage/coverage-final.json",
         "prepublishOnly": "tsc --declaration --emitDeclarationOnly --allowJs index.js"
     },
     "repository": "https://github.com/node-fetch/fetch-blob.git",
@@ -30,10 +30,10 @@
     "homepage": "https://github.com/node-fetch/fetch-blob#readme",
     "devDependencies": {
         "ava": "^3.8.2",
+        "c8": "^7.2.0",
         "codecov": "^3.7.0",
         "get-stream": "^5.1.0",
         "node-fetch": "^2.6.0",
-        "nyc": "^15.1.0",
         "typescript": "^3.9.5",
         "xo": "^0.32.0"
     },