diff --git a/package.json b/package.json
index 6b0aaca..cf077bb 100644
--- a/package.json
+++ b/package.json
@@ -65,25 +65,25 @@
   },
   "devDependencies": {
     "@ava/babel": "^1.0.1",
-    "@babel/core": "^7.10.5",
+    "@babel/core": "^7.11.1",
     "@babel/preset-env": "^7.10.3",
     "@babel/register": "^7.10.5",
-    "@rollup/plugin-babel": "^5.1.0",
+    "@rollup/plugin-babel": "^5.2.0",
     "@rollup/plugin-commonjs": "^15.0.0",
     "@rollup/plugin-json": "^4.1.0",
     "@rollup/plugin-node-resolve": "^9.0.0",
-    "ava": "^3.10.1",
+    "ava": "^3.11.1",
     "core-js": "^3.6.5",
-    "eslint": "^7.5.0",
+    "eslint": "^7.6.0",
     "eslint-config-google": "^0.14.0",
     "gematriya": "^2.0.0",
     "jsdoc": "^3.6.5",
     "jsdoc-to-markdown": "^6.0.1",
     "nyc": "^15.1.0",
-    "rollup": "^2.23.0",
+    "rollup": "^2.25.0",
     "rollup-plugin-terser": "^7.0.0",
     "suncalc": "^1.8.0",
     "tsd-jsdoc": "^2.5.0",
-    "ttag-cli": "^1.8.3"
+    "ttag-cli": "^1.8.4"
   }
 }