diff --git a/package-lock.json b/package-lock.json
index 4b391ab..d33ac94 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -274,25 +274,28 @@
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       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
-    "crc": {
-      "version": "3.4.4",
-      "resolved": "https://registry.npmjs.org/crc/-/crc-3.4.4.tgz",
-      "integrity": "sha1-naHpgOO9RPxck79as9ozeNheRms="
-    },
     "datejs": {
       "version": "1.0.0-rc3",
       "resolved": "https://registry.npmjs.org/datejs/-/datejs-1.0.0-rc3.tgz",
       "integrity": "sha1-v/oe/t7+tB/diiQq9Vr6AftY3lc="
     },
+    "debug": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "requires": {
+        "ms": "2.0.0"
+      }
+    },
     "decamelize": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
       "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
     },
     "depd": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.1.tgz",
-      "integrity": "sha1-V4O04cRZ8G+lyif5kfPQbnoxA1k="
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
+      "integrity": "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw=="
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     "destroy": {
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@@ -429,28 +432,39 @@
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     },
     "express-session": {
-      "version": "1.15.6",
-      "resolved": "https://registry.npmjs.org/express-session/-/express-session-1.15.6.tgz",
-      "integrity": "sha512-r0nrHTCYtAMrFwZ0kBzZEXa1vtPVrw0dKvGSrKP4dahwBQ1BJpF2/y1Pp4sCD/0kvxV4zZeclyvfmw0B4RMJQA==",
+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/express-session/-/express-session-1.17.0.tgz",
+      "integrity": "sha512-t4oX2z7uoSqATbMfsxWMbNjAL0T5zpvcJCk3Z9wnPPN7ibddhnmDZXHfEcoBMG2ojKXZoCyPMc5FbtK+G7SoDg==",
       "requires": {
-        "cookie": "0.3.1",
+        "cookie": "0.4.0",
         "cookie-signature": "1.0.6",
-        "crc": "3.4.4",
         "debug": "2.6.9",
-        "depd": "1.1.1",
-        "on-headers": "1.0.1",
-        "parseurl": "1.3.2",
-        "uid-safe": "2.1.5",
-        "utils-merge": "1.0.1"
+        "depd": "~2.0.0",
+        "on-headers": "~1.0.2",
+        "parseurl": "~1.3.3",
+        "safe-buffer": "5.2.0",
+        "uid-safe": "~2.1.5"
       },
       "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "requires": {
-            "ms": "2.0.0"
-          }
+        "cookie": {
+          "version": "0.4.0",
+          "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.0.tgz",
+          "integrity": "sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg=="
+        },
+        "on-headers": {
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.0.2.tgz",
+          "integrity": "sha512-pZAE+FJLoyITytdqK0U5s+FIpjN0JP3OzFi/u8Rx+EV5/W+JTWGXG8xFzevE7AjBfDqHv/8vL8qQsIhHnqRkrA=="
+        },
+        "parseurl": {
+          "version": "1.3.3",
+          "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
+          "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="
+        },
+        "safe-buffer": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.0.tgz",
+          "integrity": "sha512-fZEwUGbVl7kouZs1jCdMLdt95hdIv0ZeHg6L7qPeciMZhZ+/gdesW4wgTARkrFWEpspjEATAzUGPG8N2jJiwbg=="
         }
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@@ -1156,7 +1170,7 @@
       "resolved": "https://registry.npmjs.org/uid-safe/-/uid-safe-2.1.5.tgz",
       "integrity": "sha512-KPHm4VL5dDXKz01UuEd88Df+KzynaohSL9fBh096KWAxSKZQDI2uBrVqtvRM4rwrIrRRKsdLNML/lnaaVSRioA==",
       "requires": {
-        "random-bytes": "1.0.0"
+        "random-bytes": "~1.0.0"
       }
     },
     "unpipe": {
diff --git a/package.json b/package.json
index 0fe334d..fc26eda 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "express": "^4.16.4",
     "express-device": "^0.4.2",
     "express-minify": "^1.0.0",
-    "express-session": "^1.15.6",
+    "express-session": "^1.17.0",
     "express-subdomain": "^1.0.5",
     "mongodb": "^3.1.8",
     "morgan": "^1.9.1",