diff --git a/Pipfile.lock b/Pipfile.lock
index ab50d34d..0cd7b038 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -746,11 +746,12 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:8d36afa7616d8ab714608411b4a3b13e58f463aee519024578e062e141dce20f",
-                "sha256:8f135f6502756bde6b2a9b28989df5fbe87c9970cecaa69041edcce7f0589b14"
+                "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": "==1.26.16"
+            "version": "==1.26.18"
         }
     },
     "develop": {