diff --git a/Pipfile.lock b/Pipfile.lock
index 366af8d..36cb1cf 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -113,11 +113,12 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:000ca7f471a233c2251c6c7023ee85305721bfdf18621ebff4fd17a8653427ed",
-                "sha256:0e7c33d9a63e7ddfcb86780aac87befc2fbddf46c58dbb487e0855f7ceec283c"
+                "sha256:34b97092d7e0a3a8cf7cd10e386f401b3737364026c45e622aa02903dffe0f07",
+                "sha256:f8ecc1bba5667413457c529ab955bf8c67b45db799d159066261719e328580a0"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
-            "version": "==1.26.8"
+            "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": "==1.26.18"
         }
     }
 }