diff --git a/package.json b/package.json
index d60f5c23..a28517e9 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "start:bundle": "cross-env NODE_ENV=production node dist/app.bundle.js"
   },
   "dependencies": {
-    "@tsed/ajv": "^6.33.1",
+    "@tsed/ajv": "^6.68.2",
     "@tsed/common": "^6.33.1",
     "@tsed/core": "^6.33.1",
     "@tsed/di": "^6.33.1",
diff --git a/yarn.lock b/yarn.lock
index eb9d2737..9ba50d0f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1697,13 +1697,13 @@
     request "^2.88.0"
     request-promise-native "^1.0.8"
 
-"@tsed/ajv@^6.33.1":
-  version "6.33.1"
-  resolved "https://registry.yarnpkg.com/@tsed/ajv/-/ajv-6.33.1.tgz#128c30abdefb6a373d1d90c7eb2aee75d563ba37"
-  integrity sha512-bglGmaw1JgAkiwFPp+nCL2O+RijS6Vw+UttAw1+CW8OB+G54NS1kMM6YsRIDcJ0kstiFaP+zX+hcmPsU1aeXvA==
+"@tsed/ajv@^6.68.2":
+  version "6.68.2"
+  resolved "https://registry.yarnpkg.com/@tsed/ajv/-/ajv-6.68.2.tgz#53e7433be53a1559beb9e021c0468649513ebca4"
+  integrity sha512-kU2AGdM1e548eyuNaj8XHNPk5Fnd9uVxBGuKdFwii9ME1gHJhh2uR9wt3faTXhx0Emxg3XQ5F88oJc2mq3eH0A==
   dependencies:
     ajv-formats "1.5.1"
-    tslib "2.0.1"
+    tslib "2.2.0"
 
 "@tsed/common@^6.33.1":
   version "6.33.1"
@@ -8770,16 +8770,16 @@ tslib@2.1.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.1.0.tgz#da60860f1c2ecaa5703ab7d39bc05b6bf988b97a"
   integrity sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A==
 
+tslib@2.2.0, tslib@^2.0.3:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.2.0.tgz#fb2c475977e35e241311ede2693cee1ec6698f5c"
+  integrity sha512-gS9GVHRU+RGn5KQM2rllAlR3dU6m7AcpJKdtH8gFvQiC4Otgk98XnmMU+nZenHt/+VhnBPWwgrJsyrdcw6i23w==
+
 tslib@^1.10.0, tslib@^1.9.0:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
-tslib@^2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.0.3.tgz#8e0741ac45fc0c226e58a17bfc3e64b9bc6ca61c"
-  integrity sha512-uZtkfKblCEQtZKBF6EBXVZeQNl82yqtDQdv+eck8u7tdPxjLu2/lp5/uPW+um2tpuxINHWy3GhiccY7QgEaVHQ==
-
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"