diff --git a/package.json b/package.json
index 614d8e436..eac39de65 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "glob": "^7.0.0",
     "globals-docs": "^2.3.0",
     "highlight.js": "^9.1.0",
-    "js-yaml": "^3.3.1",
+    "js-yaml": "^3.8.4",
     "lodash": "^4.11.1",
     "mdast-util-inject": "^1.1.0",
     "micromatch": "^3.0.0",
@@ -72,9 +72,9 @@
     "eslint-config-prettier": "^2.1.1",
     "eslint-plugin-flowtype": "^2.32.1",
     "flow-bin": "^0.46.0",
-    "fs-extra": "^3.0.0",
+    "fs-extra": "^3.0.1",
     "husky": "^0.13.3",
-    "jest": "^20.0.1",
+    "jest": "^20.0.4",
     "json-schema": "0.2.3",
     "lint-staged": "^3.4.0",
     "mock-fs": "^4.2.0",
diff --git a/yarn.lock b/yarn.lock
index 57d0dea69..ad38ca3be 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -978,7 +978,7 @@ babelify@^7.3.0:
     babel-core "^6.0.14"
     object-assign "^4.0.0"
 
-babylon@^6.11.0, babylon@^6.11.4, babylon@^6.13.0, babylon@^6.15.0, babylon@^6.17.0:
+babylon@^6.11.0, babylon@^6.13.0, babylon@^6.15.0, babylon@^6.17.0, babylon@^6.17.2:
   version "6.17.2"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.17.2.tgz#201d25ef5f892c41bae49488b08db0dd476e9f5c"
 
@@ -2224,7 +2224,7 @@ fs-access@^1.0.0:
   dependencies:
     null-check "^1.0.0"
 
-fs-extra@^3.0.0:
+fs-extra@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-3.0.1.tgz#3794f378c58b342ea7dbbb23095109c4b3b62291"
   dependencies:
@@ -3287,7 +3287,7 @@ jest-validate@^20.0.3:
     leven "^2.1.0"
     pretty-format "^20.0.3"
 
-jest@^20.0.1:
+jest@^20.0.4:
   version "20.0.4"
   resolved "https://registry.yarnpkg.com/jest/-/jest-20.0.4.tgz#3dd260c2989d6dad678b1e9cc4d91944f6d602ac"
   dependencies:
@@ -3310,7 +3310,7 @@ js-yaml@3.6.1:
     argparse "^1.0.7"
     esprima "^2.6.0"
 
-js-yaml@^3.3.1, js-yaml@^3.4.3, js-yaml@^3.5.1, js-yaml@^3.7.0:
+js-yaml@^3.4.3, js-yaml@^3.5.1, js-yaml@^3.7.0, js-yaml@^3.8.4:
   version "3.8.4"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.4.tgz#520b4564f86573ba96662af85a8cafa7b4b5a6f6"
   dependencies: