diff --git a/package-lock.json b/package-lock.json
index 77d5f56..b7ca5bf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -75,9 +75,9 @@
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+      "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.6.tgz",
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@@ -91,33 +91,36 @@
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-      "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.32.tgz",
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+      "version": "3.4.38",
+      "resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",
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       "dev": true,
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     "@types/express": {
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-      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.0.tgz",
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+      "resolved": "https://registry.npmjs.org/@types/express/-/express-4.17.25.tgz",
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       "dev": true,
       "requires": {
         "@types/body-parser": "*",
-        "@types/express-serve-static-core": "*",
-        "@types/serve-static": "*"
+        "@types/express-serve-static-core": "^4.17.33",
+        "@types/qs": "*",
+        "@types/serve-static": "^1"
       }
     },
     "@types/express-serve-static-core": {
-      "version": "4.16.6",
-      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.16.6.tgz",
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+      "version": "4.19.9",
+      "resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-4.19.9.tgz",
+      "integrity": "sha512-QP2ESEe/ImWY0HDwNAnK9PvEffUyhLTnWkk7KXzHfyeWAnlrDe1fN77bXl6ia8KT3wPlmA7t9/VPRpnf4Ex9sg==",
       "dev": true,
       "requires": {
         "@types/node": "*",
-        "@types/range-parser": "*"
+        "@types/qs": "*",
+        "@types/range-parser": "*",
+        "@types/send": "*"
       }
     },
     "@types/graphql": {
@@ -126,10 +129,16 @@
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       "dev": true
     },
+    "@types/http-errors": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/@types/http-errors/-/http-errors-2.0.5.tgz",
+      "integrity": "sha512-r8Tayk8HJnX0FztbZN7oVqGccWgw98T/0neJphO91KkmOzug1KkofZURD4UaD5uH8AqcFLfdPErnBod0u71/qg==",
+      "dev": true
+    },
     "@types/mime": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-2.0.1.tgz",
-      "integrity": "sha512-FwI9gX75FgVBJ7ywgnq/P7tw+/o1GUbtP0KzbtusLigAOgIgNISRK0ZPl4qertvXSIE8YbsVJueQ90cDt9YYyw==",
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+      "resolved": "https://registry.npmjs.org/@types/mime/-/mime-1.3.5.tgz",
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       "dev": true
     },
     "@types/minimist": {
@@ -163,20 +172,48 @@
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       }
     },
+    "@types/qs": {
+      "version": "6.15.1",
+      "resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.15.1.tgz",
+      "integrity": "sha512-GZHUBZR9hckSUhrxmp1nG6NwdpM9fCunJwyThLW1X3AyHgd9IlHb6VANpQQqDr2o/qQp6McZ3y/IA2rVzKzSbw==",
+      "dev": true
+    },
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-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.3.tgz",
-      "integrity": "sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==",
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.7.tgz",
+      "integrity": "sha512-hKormJbkJqzQGhziax5PItDUTMAM9uE2XXQmM37dyd4hVM+5aVl7oVxMVUiVQn2oCQFN/LKCZdvSM0pFRqbSmQ==",
       "dev": true
     },
+    "@types/send": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/@types/send/-/send-1.2.1.tgz",
+      "integrity": "sha512-arsCikDvlU99zl1g69TcAB3mzZPpxgw0UQnaHeC1Nwb015xp8bknZv5rIfri9xTOcMuaVgvabfIRA7PSZVuZIQ==",
+      "dev": true,
+      "requires": {
+        "@types/node": "*"
+      }
+    },
     "@types/serve-static": {
-      "version": "1.13.2",
-      "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-1.13.2.tgz",
-      "integrity": "sha512-/BZ4QRLpH/bNYgZgwhKEh+5AsboDBcUdlBYgzoLX0fpj3Y2gp6EApyOlM3bK53wQS/OE1SrdSYBAbux2D1528Q==",
+      "version": "1.15.10",
+      "resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-1.15.10.tgz",
+      "integrity": "sha512-tRs1dB+g8Itk72rlSI2ZrW6vZg0YrLI81iQSTkMmOqnqCaNr/8Ek4VwWcN5vZgCYWbg/JJSGBlUaYGAOP73qBw==",
       "dev": true,
       "requires": {
-        "@types/express-serve-static-core": "*",
-        "@types/mime": "*"
+        "@types/http-errors": "*",
+        "@types/node": "*",
+        "@types/send": "<1"
+      },
+      "dependencies": {
+        "@types/send": {
+          "version": "0.17.6",
+          "resolved": "https://registry.npmjs.org/@types/send/-/send-0.17.6.tgz",
+          "integrity": "sha512-Uqt8rPBE8SY0RK8JB1EzVOIZ32uqy8HwdxCnoCOsYrvnswqmFZ/k+9Ikidlk/ImhsdvBsloHbAlewb2IEBV/Og==",
+          "dev": true,
+          "requires": {
+            "@types/mime": "^1",
+            "@types/node": "*"
+          }
+        }
       }
     },
     "accepts": {
diff --git a/package.json b/package.json
index 69f1325..4afcbba 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "@sourcegraph/prettierrc": "^2.2.0",
     "@sourcegraph/tsconfig": "^3.0.0",
     "@sourcegraph/tslint-config": "^12.3.1",
-    "@types/express": "4.17.0",
+    "@types/express": "4.17.25",
     "@types/morgan": "1.9.9",
     "@types/node-fetch": "2.6.10",
     "get-graphql-schema": "^2.1.1",