diff --git a/example/package.json b/example/package.json
index b9746b7e..66cf2baa 100644
--- a/example/package.json
+++ b/example/package.json
@@ -35,7 +35,7 @@
     "@nestjs/cli": "7.5.1",
     "@nestjs/schematics": "6.9.4",
     "@nestjs/testing": "7.4.4",
-    "@types/express": "4.17.8",
+    "@types/express": "4.17.21",
     "@types/jest": "26.0.13",
     "@types/mongoose": "5.7.36",
     "@types/node": "12.12.56",
diff --git a/example/yarn.lock b/example/yarn.lock
index 78d2ae81..3d299ad2 100644
--- a/example/yarn.lock
+++ b/example/yarn.lock
@@ -897,13 +897,23 @@
     "@types/node" "*"
     "@types/range-parser" "*"
 
-"@types/express@4.17.8":
-  version "4.17.8"
-  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.8.tgz#3df4293293317e61c60137d273a2e96cd8d5f27a"
-  integrity sha512-wLhcKh3PMlyA2cNAB9sjM1BntnhPMiM0JOBwPBqttjHev2428MLEB4AYVN+d8s2iyCVZac+o41Pflm/ZH5vLXQ==
+"@types/express-serve-static-core@^4.17.33":
+  version "4.17.40"
+  resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.17.40.tgz#3cac0230ca1225d4490e1a0e9266093aa4ed6a0d"
+  integrity sha512-dzQWNQktgK3AyMpPeIeWbnR/ve2wU0bDSfdhf+RSt1ivelrO3hwfrKjTZvJDK4IyGWlDoRj+knNSePnL7OUqOA==
+  dependencies:
+    "@types/node" "*"
+    "@types/qs" "*"
+    "@types/range-parser" "*"
+    "@types/send" "*"
+
+"@types/express@4.17.21":
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.21.tgz#c26d4a151e60efe0084b23dc3369ebc631ed192d"
+  integrity sha512-ejlPM315qwLpaQlQDTjPdsUFSc6ZsP4AN6AlWnogPjQ7CVi7PYF3YVz+CY3jE2pwYf7E/7HlDAN0rV2GxTG0HQ==
   dependencies:
     "@types/body-parser" "*"
-    "@types/express-serve-static-core" "*"
+    "@types/express-serve-static-core" "^4.17.33"
     "@types/qs" "*"
     "@types/serve-static" "*"
 
@@ -972,6 +982,11 @@
   resolved "https://registry.yarnpkg.com/@types/mime/-/mime-2.0.1.tgz#dc488842312a7f075149312905b5e3c0b054c79d"
   integrity sha512-FwI9gX75FgVBJ7ywgnq/P7tw+/o1GUbtP0KzbtusLigAOgIgNISRK0ZPl4qertvXSIE8YbsVJueQ90cDt9YYyw==
 
+"@types/mime@^1":
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/@types/mime/-/mime-1.3.4.tgz#a4ed836e069491414bab92c31fdea9e557aca0d9"
+  integrity sha512-1Gjee59G25MrQGk8bsNvC6fxNiRgUlGn2wlhGf95a59DrprnnHk80FIMMFG9XHMdrfsuA119ht06QPDXA1Z7tw==
+
 "@types/mongodb@*":
   version "3.3.14"
   resolved "https://registry.yarnpkg.com/@types/mongodb/-/mongodb-3.3.14.tgz#5b44bf16b5856eb829545edcc2c4d7726b44b864"
@@ -1023,6 +1038,14 @@
   resolved "https://registry.yarnpkg.com/@types/range-parser/-/range-parser-1.2.3.tgz#7ee330ba7caafb98090bece86a5ee44115904c2c"
   integrity sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==
 
+"@types/send@*":
+  version "0.17.3"
+  resolved "https://registry.yarnpkg.com/@types/send/-/send-0.17.3.tgz#81b2ea5a3a18aad357405af2d643ccbe5a09020b"
+  integrity sha512-/7fKxvKUoETxjFUsuFlPB9YndePpxxRAOfGC/yJdc9kTjTeP5kRCTzfnE8kPUKCeyiyIZu0YQ76s50hCedI1ug==
+  dependencies:
+    "@types/mime" "^1"
+    "@types/node" "*"
+
 "@types/serve-static@*":
   version "1.13.3"
   resolved "https://registry.yarnpkg.com/@types/serve-static/-/serve-static-1.13.3.tgz#eb7e1c41c4468272557e897e9171ded5e2ded9d1"