diff --git a/Pipfile.lock b/Pipfile.lock
index 0919c60..191210a 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -49,12 +49,12 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:24d6a242c28d29af46c3fae832c36db3bbebcc533dd1bb549172cd739c82df21",
-                "sha256:94a757d178c9be92ef5539b8840d48dc9cf1b2709c9d6b588232a055c524458b"
+                "sha256:34b97092d7e0a3a8cf7cd10e386f401b3737364026c45e622aa02903dffe0f07",
+                "sha256:f8ecc1bba5667413457c529ab955bf8c67b45db799d159066261719e328580a0"
             ],
             "index": "pypi",
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5'",
-            "version": "==1.26.17"
+            "version": "==1.26.18"
         }
     },
     "develop": {