diff --git a/.travis.yml b/.travis.yml
index ef98e55b8..886ccbffa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,16 +8,16 @@ cache:
         - .nvm
 
 before_install:
-  - brew update
+  # Update brew twice because the first run can fail: https://github.com/Homebrew/homebrew/issues/42553
+  - brew update; brew update
 install:
   - brew reinstall xctool nvm
-  - rm -Rf `node -p "require('os').tmpDir()"`/jest_preprocess_cache
-  - npm install -g flow-bin@`node -p "require('fs').readFileSync('.flowconfig', 'utf8').split('[version]')[1].trim()"`
   - mkdir -p .nvm
   - export NVM_DIR="$PWD/.nvm"
   - source $(brew --prefix nvm)/nvm.sh
-  - nvm install iojs-v2
-  - nvm use iojs-v2
+  - nvm install iojs-v3
+  - rm -Rf `node -p "require('os').tmpDir()"`/jest_preprocess_cache
+  - npm install -g flow-bin@`node -p "require('fs').readFileSync('.flowconfig', 'utf8').split('[version]')[1].trim()"`
   - npm config set spin=false
   - npm install
 
diff --git a/package.json b/package.json
index 0cd24e7f7..cebee4dfa 100644
--- a/package.json
+++ b/package.json
@@ -69,12 +69,12 @@
     "sane": "^1.1.2",
     "semver": "^4.3.6",
     "source-map": "0.1.31",
-    "stacktrace-parser": "frantic/stacktrace-parser#493c5e5638",
+    "stacktrace-parser": "0.1.3",
     "uglify-js": "2.4.16",
     "underscore": "1.7.0",
     "wordwrap": "^1.0.0",
     "worker-farm": "^1.3.1",
-    "ws": "^0.7.2",
+    "ws": "0.8.0",
     "yargs": "1.3.2",
     "yeoman-environment": "^1.2.7",
     "yeoman-generator": "^0.20.2"