diff --git a/package.json b/package.json
index ba923cb8eeb7..5feb8f07d283 100644
--- a/package.json
+++ b/package.json
@@ -123,7 +123,7 @@
     "@types/webpack-dev-server": "^3.1.7",
     "@types/webpack-sources": "^1.4.2",
     "@yarnpkg/lockfile": "1.1.0",
-    "ajv": "6.12.4",
+    "ajv": "6.12.5",
     "ansi-colors": "4.1.1",
     "autoprefixer": "9.8.6",
     "babel-loader": "8.1.0",
diff --git a/packages/angular_devkit/core/package.json b/packages/angular_devkit/core/package.json
index 1b30815202a3..317ae7ce80b3 100644
--- a/packages/angular_devkit/core/package.json
+++ b/packages/angular_devkit/core/package.json
@@ -8,7 +8,7 @@
     "core"
   ],
   "dependencies": {
-    "ajv": "6.12.4",
+    "ajv": "6.12.5",
     "fast-json-stable-stringify": "2.1.0",
     "magic-string": "0.25.7",
     "rxjs": "6.6.3",
diff --git a/yarn.lock b/yarn.lock
index fc2ccf788336..27cf17c3503e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2111,7 +2111,17 @@ ajv-keywords@^3.1.0, ajv-keywords@^3.4.1, ajv-keywords@^3.5.2:
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.5.2.tgz#31f29da5ab6e00d1c2d329acf7b5929614d5014d"
   integrity sha512-5p6WTN0DdTGVQk6VjcEju19IgaHudalcfabD7yhDGeA6bcQnmL+CpveLJq/3hvfwd1aof6L386Ougkx6RfyMIQ==
 
-ajv@6.12.4, ajv@^6.1.0, ajv@^6.10.2, ajv@^6.12.3, ajv@^6.12.4:
+ajv@6.12.5:
+  version "6.12.5"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.5.tgz#19b0e8bae8f476e5ba666300387775fb1a00a4da"
+  integrity sha512-lRF8RORchjpKG50/WFf8xmg7sgCLFiYNNnqdKflk63whMQcWR5ngGjiSXkL9bjxy6B2npOK2HSMN49jEBMSkag==
+  dependencies:
+    fast-deep-equal "^3.1.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
+ajv@^6.1.0, ajv@^6.10.2, ajv@^6.12.3, ajv@^6.12.4:
   version "6.12.4"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.4.tgz#0614facc4522127fa713445c6bfd3ebd376e2234"
   integrity sha512-eienB2c9qVQs2KWexhkrdMLVDoIQCz5KSeLxwg9Lzk4DOfBtIK9PQwwufcsn1jjGuf9WZmqPMbGxOzfcuphJCQ==