diff --git a/pipenv/__version__.py b/pipenv/__version__.py
index 7235f7b4..851438ce 100644
--- a/pipenv/__version__.py
+++ b/pipenv/__version__.py
@@ -2,4 +2,4 @@
 #   //   ) ) / / //   ) ) //___) ) //   ) ) ||  / /
 #  //___/ / / / //___/ / //       //   / /  || / /
 # //       / / //       ((____   //   / /   ||/ /
-__version__ = '11.10.1.dev3'
+__version__ = '11.10.1.dev4'
diff --git a/pipenv/vendor/pip9/_vendor/requests/packages.py b/pipenv/vendor/pip9/_vendor/requests/packages.py
index 3aca6f7f..928d1bb9 100644
--- a/pipenv/vendor/pip9/_vendor/requests/packages.py
+++ b/pipenv/vendor/pip9/_vendor/requests/packages.py
@@ -10,7 +10,7 @@ for package in ('urllib3', 'idna', 'chardet'):
     # preserved (requests.packages.urllib3.* is urllib3.*)
     for mod in list(sys.modules):
         if mod == vendored_package or mod.startswith(vendored_package + '.'):
-            unprefixed_mod = mod[len("pip._vendor."):]
-            sys.modules['pip._vendor.requests.packages.' + unprefixed_mod] = sys.modules[mod]
+            unprefixed_mod = mod[len("pip9._vendor."):]
+            sys.modules['pip9._vendor.requests.packages.' + unprefixed_mod] = sys.modules[mod]
 
 # Kinda cool, though, right?
diff --git a/tasks/vendoring/patches/vendor/pip-requests-packages.patch b/tasks/vendoring/patches/vendor/pip-requests-packages.patch
index fb20a680..f4fe791a 100644
--- a/tasks/vendoring/patches/vendor/pip-requests-packages.patch
+++ b/tasks/vendoring/patches/vendor/pip-requests-packages.patch
@@ -2,7 +2,7 @@ diff --git a/pipenv/vendor/pip9/_vendor/requests/packages.py b/pipenv/vendor/pip
 index 9582fa7..3aca6f7 100644
 --- a/pipenv/vendor/pip9/_vendor/requests/packages.py
 +++ b/pipenv/vendor/pip9/_vendor/requests/packages.py
-@@ -4,7 +4,7 @@ import sys
+@@ -4,13 +4,13 @@ import sys
  # I don't like it either. Just look the other way. :)
  
  for package in ('urllib3', 'idna', 'chardet'):
@@ -11,3 +11,11 @@ index 9582fa7..3aca6f7 100644
      locals()[package] = __import__(vendored_package)
      # This traversal is apparently necessary such that the identities are
      # preserved (requests.packages.urllib3.* is urllib3.*)
+     for mod in list(sys.modules):
+         if mod == vendored_package or mod.startswith(vendored_package + '.'):
+-            unprefixed_mod = mod[len("pip._vendor."):]
+-            sys.modules['pip._vendor.requests.packages.' + unprefixed_mod] = sys.modules[mod]
++            unprefixed_mod = mod[len("pip9._vendor."):]
++            sys.modules['pip9._vendor.requests.packages.' + unprefixed_mod] = sys.modules[mod]
+ 
+ # Kinda cool, though, right?