diff --git a/package.json b/package.json
index 862c89511..dc99ec122 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "require-dir": "1.1.0",
     "uglify-es": "3.3.9",
     "yargs-parser": "11.0.0",
-    "yarn": "1.12.1"
+    "yarn": "1.12.3"
   },
   "license": "MIT",
   "name": "gae-init",
diff --git a/yarn.lock b/yarn.lock
index d426a9858..d5d752a17 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7386,10 +7386,10 @@ yargs@~3.10.0:
     decamelize "^1.0.0"
     window-size "0.1.0"
 
-yarn@1.12.1:
-  version "1.12.1"
-  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.12.1.tgz#afa478c9234ee55e8f4cdcfb994acfa54b69c95b"
-  integrity sha512-vdVLrYWx73k4QR8ZpQQ3HJg/X8aAunjUHuPlADR/ogmZOhnqgAdETPz0e/Df+MW8Dno7F1dOxS5e3G6niobumw==
+yarn@1.12.3:
+  version "1.12.3"
+  resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.12.3.tgz#fb4599bf1f8da01552bcc7e1571dfd4e53788203"
+  integrity sha512-8f5rWNDvkhAmCxmn8C0LsNWMxTYVk4VGKiq0sIB6HGZjaZTHsGIH87SUmVDUEd2Wk54bqKoUlbVWgQFCQhRkVw==
 
 yazl@^2.1.0:
   version "2.4.3"