diff --git a/package.json b/package.json
index da2e47e..6f7e26c 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "@types/chai": "^4.1.7",
     "@types/connect-ensure-login": "^0.1.4",
     "@types/debug": "^0.0.31",
-    "@types/express": "^4.16.0",
+    "@types/express": "^4.17.10",
     "@types/express-flash": "^0.0.0",
     "@types/express-session": "^1.15.11",
     "@types/mocha": "^5.2.5",
diff --git a/yarn.lock b/yarn.lock
index 843fb4f..663261a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -172,13 +172,14 @@
     "@types/express" "*"
     "@types/node" "*"
 
-"@types/express@*", "@types/express@^4.16.0":
-  version "4.16.0"
-  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.16.0.tgz#6d8bc42ccaa6f35cf29a2b7c3333cb47b5a32a19"
-  integrity sha512-TtPEYumsmSTtTetAPXlJVf3kEqb6wZK0bZojpJQrnD/djV4q1oB6QQ8aKvKqwNPACoe02GNiy5zDzcYivR5Z2w==
+"@types/express@*", "@types/express@^4.17.10":
+  version "4.17.10"
+  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.10.tgz#850fe07d6d887412d522a4295fb84a685e69f683"
+  integrity sha512-GRwKdE+iV6mA8glCvQ7W5iaoIhd6u1HDsNTF76UPRi7T89SLjOfeCLShVmQSgpXzcpf3zgcz2SbMiCcjnYRRxQ==
   dependencies:
     "@types/body-parser" "*"
     "@types/express-serve-static-core" "*"
+    "@types/qs" "*"
     "@types/serve-static" "*"
 
 "@types/geojson@^1.0.0":
@@ -237,6 +238,11 @@
   dependencies:
     "@types/express" "*"
 
+"@types/qs@*":
+  version "6.9.5"
+  resolved "https://registry.yarnpkg.com/@types/qs/-/qs-6.9.5.tgz#434711bdd49eb5ee69d90c1d67c354a9a8ecb18b"
+  integrity sha512-/JHkVHtx/REVG0VVToGRGH2+23hsYLHdyG+GrvoUGlGAd0ErauXDyvHtRI/7H7mzLm+tBCKA7pfcpkQ1lf58iQ==
+
 "@types/range-parser@*":
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/@types/range-parser/-/range-parser-1.2.2.tgz#fa8e1ad1d474688a757140c91de6dace6f4abc8d"