diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 4f334c4..914bd26 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -14789,10 +14789,13 @@
       }
     },
     "prop-types": {
-      "version": "https://registry.npmjs.org/prop-types/-/prop-types-15.5.8.tgz",
-      "integrity": "sha1-a3suFBCDvjjIWVqlH8VXdccZk5Q=",
+      "version": "15.6.0",
+      "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.6.0.tgz",
+      "integrity": "sha1-zq8IMCL8RrSjX2nhPvda7Q1jmFY=",
       "requires": {
-        "fbjs": "0.8.16"
+        "fbjs": "0.8.16",
+        "loose-envify": "1.3.1",
+        "object-assign": "4.1.1"
       }
     },
     "proxy-addr": {
@@ -15120,7 +15123,7 @@
       "requires": {
         "deep-equal": "1.0.1",
         "object-assign": "4.1.1",
-        "prop-types": "https://registry.npmjs.org/prop-types/-/prop-types-15.5.8.tgz",
+        "prop-types": "15.6.0",
         "react-side-effect": "1.1.3"
       }
     },
@@ -15189,7 +15192,7 @@
         "invariant": "2.2.2",
         "loose-envify": "1.3.1",
         "path-to-regexp": "1.7.0",
-        "prop-types": "https://registry.npmjs.org/prop-types/-/prop-types-15.5.8.tgz",
+        "prop-types": "15.6.0",
         "warning": "3.0.0"
       },
       "dependencies": {
@@ -15216,7 +15219,7 @@
         "history": "4.7.2",
         "invariant": "2.2.2",
         "loose-envify": "1.3.1",
-        "prop-types": "https://registry.npmjs.org/prop-types/-/prop-types-15.5.8.tgz",
+        "prop-types": "15.6.0",
         "react-router": "4.2.0",
         "warning": "3.0.0"
       }
@@ -15227,7 +15230,7 @@
       "integrity": "sha1-dBhmPC7NPFG+hW/PKPPR3uzBpXY=",
       "requires": {
         "history": "4.7.2",
-        "prop-types": "https://registry.npmjs.org/prop-types/-/prop-types-15.5.8.tgz",
+        "prop-types": "15.6.0",
         "react-router": "4.2.0"
       }
     },
@@ -15273,7 +15276,7 @@
         "classnames": "2.2.5",
         "dom-helpers": "3.2.1",
         "loose-envify": "1.3.1",
-        "prop-types": "https://registry.npmjs.org/prop-types/-/prop-types-15.5.8.tgz",
+        "prop-types": "15.6.0",
         "warning": "3.0.0"
       }
     },
@@ -15419,7 +15422,7 @@
       "requires": {
         "error-stack-parser": "1.3.6",
         "object-assign": "4.1.1",
-        "prop-types": "https://registry.npmjs.org/prop-types/-/prop-types-15.5.8.tgz",
+        "prop-types": "15.6.0",
         "sourcemapped-stacktrace": "1.1.7"
       }
     },
diff --git a/package.json b/package.json
index b22e8e7..3ea342e 100644
--- a/package.json
+++ b/package.json
@@ -63,7 +63,7 @@
     "hpp": "0.2.2",
     "lodash": "4.17.4",
     "pretty-error": "2.1.1",
-    "prop-types": "https://registry.npmjs.org/prop-types/-/prop-types-15.5.8.tgz",
+    "prop-types": "15.6.0",
     "react": "16.2.0",
     "react-dom": "16.2.0",
     "react-error-boundary": "1.2.0",