diff --git a/README.rst b/README.rst
index 04b9ea4..13f2d7d 100644
--- a/README.rst
+++ b/README.rst
@@ -2,7 +2,7 @@
 =================
 
 .. image:: https://img.shields.io/pypi/v/cryptography.svg
-    :target: https://pypi.python.org/pypi/cryptography/
+    :target: https://pypi.org/project/cryptography/
     :alt: Latest Version
 
 .. image:: https://readthedocs.org/projects/cryptography/badge/?version=latest
diff --git a/docs/development/custom-vectors/secp256k1.rst b/docs/development/custom-vectors/secp256k1.rst
index b19bf4e..e0579b4 100644
--- a/docs/development/custom-vectors/secp256k1.rst
+++ b/docs/development/custom-vectors/secp256k1.rst
@@ -29,4 +29,4 @@
 Download link: :download:`verify_secp256k1.py
 </development/custom-vectors/secp256k1/verify_secp256k1.py>`
 
-.. _`pure Python ecdsa`: https://pypi.python.org/pypi/ecdsa
+.. _`pure Python ecdsa`: https://pypi.org/project/ecdsa/
diff --git a/docs/development/getting-started.rst b/docs/development/getting-started.rst
index 415f5d8..96b4b6d 100644
--- a/docs/development/getting-started.rst
+++ b/docs/development/getting-started.rst
@@ -106,10 +106,10 @@
 .. _`Homebrew`: https://brew.sh
 .. _`MacPorts`: https://www.macports.org
 .. _`OpenSSL`: https://www.openssl.org
-.. _`pytest`: https://pypi.python.org/pypi/pytest
-.. _`tox`: https://pypi.python.org/pypi/tox
-.. _`virtualenv`: https://pypi.python.org/pypi/virtualenv
-.. _`pip`: https://pypi.python.org/pypi/pip
-.. _`sphinx`: https://pypi.python.org/pypi/Sphinx
+.. _`pytest`: https://pypi.org/project/pytest/
+.. _`tox`: https://pypi.org/project/tox/
+.. _`virtualenv`: https://pypi.org/project/virtualenv/
+.. _`pip`: https://pypi.org/project/pip/
+.. _`sphinx`: https://pypi.org/project/Sphinx/
 .. _`reStructured Text`: http://www.sphinx-doc.org/en/master/usage/restructuredtext/basics.html
 .. _`this Github issue`: https://github.com/rfk/pyenchant/issues/42
diff --git a/release.py b/release.py
index 07c5609..a994b2a 100644
--- a/release.py
+++ b/release.py
@@ -117,6 +117,10 @@
         "PURGE", "https://pypi.python.org/simple/cryptography/"
     )
     response.raise_for_status()
+    response = session.request(
+        "PURGE", "https://pypi.org/simple/cryptography/"
+    )
+    response.raise_for_status()
 
     token = getpass.getpass("Input the Jenkins token: ")
     response = session.get(