diff --git a/Pipfile.lock b/Pipfile.lock
index 4829b8c..edb7b19 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -455,11 +455,12 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:3fa96cf423e6987997fc326ae8df396db2a8b7c667747d47ddd8ecba91f4a74e",
-                "sha256:b930dd878d5a8afb066a637fbb35144fe7901e3b209d1cd4f524bd0e9deee997"
+                "sha256:34b97092d7e0a3a8cf7cd10e386f401b3737364026c45e622aa02903dffe0f07",
+                "sha256:f8ecc1bba5667413457c529ab955bf8c67b45db799d159066261719e328580a0"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5' and python_version < '4'",
-            "version": "==1.26.12"
+            "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"
         },
         "virtualenv": {
             "hashes": [