diff --git a/example/package-lock.json b/example/package-lock.json
index bebf01c..e4a8f06 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -743,28 +743,84 @@
       }
     },
     "express-graphql": {
-      "version": "0.8.0",
-      "resolved": "https://registry.npmjs.org/express-graphql/-/express-graphql-0.8.0.tgz",
-      "integrity": "sha512-yjFFLTw9J/7QbLBs/SRX1IykEnJHIdaAeDTiw1yC+zPHoQSCijKdPZYhe+B0SC0sFJydAXW6RSqqnERGgKPH7g==",
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/express-graphql/-/express-graphql-0.9.0.tgz",
+      "integrity": "sha512-wccd9Lb6oeJ8yHpUs/8LcnGjFUUQYmOG9A5BNLybRdCzGw0PeUrtBxsIR8bfiur6uSW4OvPkVDoYH06z6/N9+w==",
       "requires": {
-        "accepts": "^1.3.5",
+        "accepts": "^1.3.7",
         "content-type": "^1.0.4",
-        "http-errors": "^1.7.2",
-        "raw-body": "^2.3.3"
+        "http-errors": "^1.7.3",
+        "raw-body": "^2.4.1"
       },
       "dependencies": {
+        "accepts": {
+          "version": "1.3.7",
+          "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
+          "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
+          "requires": {
+            "mime-types": "~2.1.24",
+            "negotiator": "0.6.2"
+          }
+        },
+        "bytes": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
+          "integrity": "sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg=="
+        },
         "http-errors": {
-          "version": "1.7.2",
-          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.7.2.tgz",
-          "integrity": "sha512-uUQBt3H/cSIVfch6i1EuPNy/YsRSOUBXTVfZ+yR7Zjez3qjBz6i9+i4zjNaoqcoFVI4lQJ5plg63TvGfRSDCRg==",
+          "version": "1.7.3",
+          "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.7.3.tgz",
+          "integrity": "sha512-ZTTX0MWrsQ2ZAhA1cejAwDLycFsd7I7nVtnkT3Ol0aqodaKW+0CTZDQ1uBv5whptCnc8e8HeRRJxRs0kmm/Qfw==",
           "requires": {
             "depd": "~1.1.2",
-            "inherits": "2.0.3",
+            "inherits": "2.0.4",
             "setprototypeof": "1.1.1",
             "statuses": ">= 1.5.0 < 2",
             "toidentifier": "1.0.0"
           }
         },
+        "iconv-lite": {
+          "version": "0.4.24",
+          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
+          "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
+          "requires": {
+            "safer-buffer": ">= 2.1.2 < 3"
+          }
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+        },
+        "mime-db": {
+          "version": "1.40.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.40.0.tgz",
+          "integrity": "sha512-jYdeOMPy9vnxEqFRRo6ZvTZ8d9oPb+k18PKoYNYUe2stVEBPPwsln/qWzdbmaIvnhZ9v2P+CuecK+fpUfsV2mA=="
+        },
+        "mime-types": {
+          "version": "2.1.24",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.24.tgz",
+          "integrity": "sha512-WaFHS3MCl5fapm3oLxU4eYDw77IQM2ACcxQ9RIxfaC3ooc6PFuBMGZZsYpvoXS5D5QTWPieo1jjLdAm3TBP3cQ==",
+          "requires": {
+            "mime-db": "1.40.0"
+          }
+        },
+        "negotiator": {
+          "version": "0.6.2",
+          "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.2.tgz",
+          "integrity": "sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw=="
+        },
+        "raw-body": {
+          "version": "2.4.1",
+          "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.4.1.tgz",
+          "integrity": "sha512-9WmIKF6mkvA0SLmA2Knm9+qj89e+j1zqgyn8aXGd7+nAduPoqgI9lO57SAZNn/Byzo5P7JhXTyg9PzaJbH73bA==",
+          "requires": {
+            "bytes": "3.1.0",
+            "http-errors": "1.7.3",
+            "iconv-lite": "0.4.24",
+            "unpipe": "1.0.0"
+          }
+        },
         "setprototypeof": {
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.1.1.tgz",
diff --git a/example/package.json b/example/package.json
index 1fcb07e..cdf9869 100644
--- a/example/package.json
+++ b/example/package.json
@@ -29,7 +29,7 @@
   "dependencies": {
     "body-parser": "^1.18.2",
     "express": "^4.16.2",
-    "express-graphql": "^0.8.0",
+    "express-graphql": "^0.9.0",
     "graphql": "^14.0.2",
     "graphql-type-json": "^0.3.0"
   },