diff --git a/README.md b/README.md
index 4dcba4f..f001a7c 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # decaffeinate-traverse
 
+[![Greenkeeper badge](https://badges.greenkeeper.io/decaffeinate/decaffeinate-traverse.svg)](https://greenkeeper.io/)
+
 Traverse programs parsed using [decaffeinate-parser][decaffeinate-parser].
 
 ## Install
diff --git a/package.json b/package.json
index 67c18b6..295da27 100644
--- a/package.json
+++ b/package.json
@@ -37,17 +37,17 @@
     "babel-plugin-transform-class-properties": "^6.9.1",
     "babel-plugin-transform-flow-strip-types": "^6.8.0",
     "babel-preset-es2015": "^6.9.0",
-    "babel-preset-es2015-rollup": "^1.1.1",
+    "babel-preset-es2015-rollup": "^3.0.0",
     "babel-register": "^6.9.0",
-    "babelrc-rollup": "^1.1.0",
+    "babelrc-rollup": "^3.0.0",
     "babylon": "^6.8.1",
     "cz-conventional-changelog": "^1.1.6",
-    "decaffeinate-parser": "^1.3.0",
-    "flow-bin": "^0.27.0",
-    "mocha": "^2.5.3",
-    "rollup": "^0.31.2",
+    "decaffeinate-parser": "^14.0.0",
+    "flow-bin": "^0.38.0",
+    "mocha": "^3.2.0",
+    "rollup": "^0.41.4",
     "rollup-plugin-babel": "^2.5.1",
-    "semantic-release": "^4.3.5"
+    "semantic-release": "^6.3.2"
   },
   "publishConfig": {
     "registry": "https://registry.npmjs.org/"