diff --git a/CHANGELOG.md b/CHANGELOG.md
index d06f629..d0f1138 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,13 @@
-##### 1.0.0-alpha.20 - 20 June 2017
+##### 1.0.0-alpha.21 - 16 June 2017
+
+###### Bug fixes
+- [#59](https://github.com/GoogleCloudPlatform/cloud-functions-emulator/issues/59) - New logs not written
+- [#110](https://github.com/GoogleCloudPlatform/cloud-functions-emulator/issues/110) - Not working with latest stable version of node
+
+###### Other
+- Upgraded dependencies
+
+##### 1.0.0-alpha.20 - 07 June 2017
 
 ###### Bug fixes
 - [#105](https://github.com/GoogleCloudPlatform/cloud-functions-emulator/issues/105) - Warning probably not needed for semver minor changes
diff --git a/package.json b/package.json
index 11e86a8..fe44b8c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@google-cloud/functions-emulator",
   "description": "Google Cloud Functions Emulator",
-  "version": "1.0.0-alpha.20",
+  "version": "1.0.0-alpha.21",
   "license": "Apache-2.0",
   "author": "Google Inc.",
   "engines": {
@@ -55,7 +55,7 @@
   "dependencies": {
     "@google-cloud/storage": "1.1.1",
     "adm-zip": "0.4.7",
-    "ajv": "5.1.5",
+    "ajv": "5.1.6",
     "body-parser": "1.17.2",
     "cli-table2": "0.2.0",
     "colors": "1.1.2",
@@ -75,17 +75,17 @@
     "tmp": "0.0.31",
     "uuid": "3.0.1",
     "winston": "2.3.1",
-    "yargs": "8.0.1"
+    "yargs": "8.0.2"
   },
   "devDependencies": {
     "intelli-espower-loader": "1.0.1",
     "mocha": "3.4.2",
     "nyc": "11.0.2",
-    "power-assert": "1.4.3",
+    "power-assert": "1.4.4",
     "proxyquire": "1.8.0",
     "semistandard": "11.0.0",
     "semistandard-format": "3.0.0",
-    "sinon": "2.3.2"
+    "sinon": "2.3.4"
   },
   "repository": {
     "type": "git",
diff --git a/yarn.lock b/yarn.lock
index 3138047..af645ac 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -91,11 +91,12 @@ ajv-keywords@^1.0.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.2.0.tgz#676c4f087bfe1e8b12dca6fda2f3c74f417b099c"
 
-ajv@5.1.5:
-  version "5.1.5"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.1.5.tgz#8734931b601f00d4feef7c65738d77d1b65d1f68"
+ajv@5.1.6:
+  version "5.1.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-5.1.6.tgz#4b2f1a19dece93d57ac216037e3e9791c7dd1564"
   dependencies:
     co "^4.6.0"
+    json-schema-traverse "^0.3.0"
     json-stable-stringify "^1.0.1"
 
 ajv@^4.7.0:
@@ -957,9 +958,9 @@ empower-core@^0.6.2:
     call-signature "0.0.2"
     core-js "^2.0.0"
 
-empower@^1.2.2:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/empower/-/empower-1.2.2.tgz#8b4f288c1c3990094e254c8dce15c553d07f39a4"
+empower@^1.2.3:
+  version "1.2.3"
+  resolved "https://registry.yarnpkg.com/empower/-/empower-1.2.3.tgz#6f0da73447f4edd838fec5c60313a88ba5cb852b"
   dependencies:
     core-js "^2.0.0"
     empower-core "^0.6.2"
@@ -2382,6 +2383,10 @@ jsesc@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-1.3.0.tgz#46c3fec8c1892b12b0833db9bc7622176dbab34b"
 
+json-schema-traverse@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/json-schema-traverse/-/json-schema-traverse-0.3.0.tgz#0016c0b1ca1efe46d44d37541bcdfc19dcfae0db"
+
 json-schema@0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
@@ -3290,12 +3295,12 @@ power-assert-util-string-width@^1.1.1:
   dependencies:
     eastasianwidth "^0.1.1"
 
-power-assert@1.4.3:
-  version "1.4.3"
-  resolved "https://registry.yarnpkg.com/power-assert/-/power-assert-1.4.3.tgz#190997419d162baab7e72199675adc8d1c99fb24"
+power-assert@1.4.4:
+  version "1.4.4"
+  resolved "https://registry.yarnpkg.com/power-assert/-/power-assert-1.4.4.tgz#9295ea7437196f5a601fde420f042631186d7517"
   dependencies:
     define-properties "^1.1.2"
-    empower "^1.2.2"
+    empower "^1.2.3"
     power-assert-formatter "^1.3.1"
     universal-deep-strict-equal "^1.2.1"
     xtend "^4.0.0"
@@ -3869,9 +3874,9 @@ signal-exit@^3.0.0, signal-exit@^3.0.1, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
 
-sinon@2.3.2:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/sinon/-/sinon-2.3.2.tgz#c43a9c570f32baac1159505cfeed19108855df89"
+sinon@2.3.4:
+  version "2.3.4"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-2.3.4.tgz#466ad8d1bae86d6db51aa218b92e997bc3e5db88"
   dependencies:
     diff "^3.1.0"
     formatio "1.2.0"
@@ -4511,9 +4516,9 @@ yargs-parser@^7.0.0:
   dependencies:
     camelcase "^4.1.0"
 
-yargs@8.0.1, yargs@^8.0.1:
-  version "8.0.1"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.1.tgz#420ef75e840c1457a80adcca9bc6fa3849de51aa"
+yargs@8.0.2:
+  version "8.0.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.2.tgz#6299a9055b1cefc969ff7e79c1d918dceb22c360"
   dependencies:
     camelcase "^4.1.0"
     cliui "^3.2.0"
@@ -4537,3 +4542,21 @@ yargs@^3.10.0, yargs@~3.10.0:
     cliui "^2.1.0"
     decamelize "^1.0.0"
     window-size "0.1.0"
+
+yargs@^8.0.1:
+  version "8.0.1"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.1.tgz#420ef75e840c1457a80adcca9bc6fa3849de51aa"
+  dependencies:
+    camelcase "^4.1.0"
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    get-caller-file "^1.0.1"
+    os-locale "^2.0.0"
+    read-pkg-up "^2.0.0"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^2.0.0"
+    which-module "^2.0.0"
+    y18n "^3.2.1"
+    yargs-parser "^7.0.0"