diff --git a/package.json b/package.json
index 907a75e..9bdeac3 100644
--- a/package.json
+++ b/package.json
@@ -29,24 +29,24 @@
     "@aureooms/js-itertools": "^3.4.0"
   },
   "devDependencies": {
-    "@aureooms/js-compare": "^1.4.5",
-    "@aureooms/js-tape": "^5.0.1",
-    "@babel/cli": "^7.0.0",
-    "@babel/core": "^7.0.1",
-    "@babel/plugin-proposal-async-generator-functions": "^7.0.0",
-    "@babel/polyfill": "^7.0.0",
-    "@babel/preset-env": "^7.0.0",
-    "@babel/register": "^7.0.0",
-    "ava": "^1.0.0-beta.8",
-    "codeclimate-test-reporter": "^0.5.0",
-    "coveralls": "^3.0.2",
-    "esdoc": "^1.1.0",
-    "esdoc-ecmascript-proposal-plugin": "^1.0.0",
-    "esdoc-inject-script-plugin": "^1.0.0",
-    "esdoc-inject-style-plugin": "^1.0.0",
-    "esdoc-standard-plugin": "^1.0.0",
-    "np": "^3.0.4",
-    "nyc": "^13.0.1"
+    "@aureooms/js-compare": "1.4.5",
+    "@aureooms/js-tape": "5.0.1",
+    "@babel/cli": "7.7.0",
+    "@babel/core": "7.7.2",
+    "@babel/plugin-proposal-async-generator-functions": "7.7.0",
+    "@babel/polyfill": "7.7.0",
+    "@babel/preset-env": "7.7.1",
+    "@babel/register": "7.7.0",
+    "ava": "1.4.1",
+    "codeclimate-test-reporter": "0.5.1",
+    "coveralls": "3.0.7",
+    "esdoc": "1.1.0",
+    "esdoc-ecmascript-proposal-plugin": "1.0.0",
+    "esdoc-inject-script-plugin": "1.0.0",
+    "esdoc-inject-style-plugin": "1.0.0",
+    "esdoc-standard-plugin": "1.0.0",
+    "np": "3.1.0",
+    "nyc": "13.3.0"
   },
   "files": [
     "lib"