diff --git a/.gitignore b/.gitignore
index 3a488d26..08761698 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,7 +10,7 @@ pids
 # Directory for instrumented libs generated by jscoverage/JSCover
 lib-cov
 
-# Coverage directory used by tools like istanbul
+# Coverage directory used by tools like istanbul/nyc
 coverage
 
 # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
diff --git a/.istanbul.yml b/.istanbul.yml
deleted file mode 100644
index adf1748e..00000000
--- a/.istanbul.yml
+++ /dev/null
@@ -1,3 +0,0 @@
-instrumentation:
-  excludes:
-    - soljson.js
diff --git a/package.json b/package.json
index c30ebfaf..3d79502e 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "prepublish": "node downloadCurrentVersion.js && node verifyVersion.js",
     "pretest": "npm run lint",
     "test": "tape ./test/index.js",
-    "coverage": "node ./node_modules/istanbul/lib/cli.js cover ./node_modules/tape/bin/tape ./test/index.js",
+    "coverage": "node ./node_modules/nyc/bin/nyc.js --reporter=lcov --reporter=text-summary ./node_modules/tape/bin/tape ./test/index.js",
     "coveralls": "npm run coverage && node ./node_modules/coveralls/bin/coveralls.js <coverage/lcov.info"
   },
   "repository": {
@@ -52,7 +52,7 @@
   },
   "devDependencies": {
     "coveralls": "^3.0.0",
-    "istanbul": "^0.4.5",
+    "nyc": "^14.1.0",
     "semistandard": "^12.0.0",
     "tape": "^4.11.0",
     "tape-spawn": "^1.4.2"
@@ -61,5 +61,10 @@
     "ignore": [
       "soljson.js"
     ]
+  },
+  "nyc": {
+    "exclude": [
+      "soljson.js"
+    ]
   }
 }