diff --git a/Lib/test/selfsigned_pythontestdotnet.pem b/Lib/test/selfsigned_pythontestdotnet.pem
index b6d259bcb23..2b1760747bc 100644
--- a/Lib/test/selfsigned_pythontestdotnet.pem
+++ b/Lib/test/selfsigned_pythontestdotnet.pem
@@ -1,16 +1,34 @@
 -----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/Misc/NEWS.d/next/Tests/2019-05-08-15-55-46.bpo-36816.WBKRGZ.rst b/Misc/NEWS.d/next/Tests/2019-05-08-15-55-46.bpo-36816.WBKRGZ.rst
new file mode 100644
index 00000000000..420dfe83236
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2019-05-08-15-55-46.bpo-36816.WBKRGZ.rst
@@ -0,0 +1 @@
+Update Lib/test/selfsigned_pythontestdotnet.pem to match self-signed.pythontest.net's new TLS certificate.
\ No newline at end of file