diff --git a/src/System.Net.TestData/TestDataCertificates/testclienteku.contoso.com.pfx b/src/System.Net.TestData/TestDataCertificates/testclienteku.contoso.com.pfx
index 6a49bc877..de42b7163 100644
Binary files a/src/System.Net.TestData/TestDataCertificates/testclienteku.contoso.com.pfx and b/src/System.Net.TestData/TestDataCertificates/testclienteku.contoso.com.pfx differ
diff --git a/src/System.Net.TestData/TestDataCertificates/testservereku.contoso.com.pfx b/src/System.Net.TestData/TestDataCertificates/testservereku.contoso.com.pfx
index 936e28983..f5bc3fe33 100644
Binary files a/src/System.Net.TestData/TestDataCertificates/testservereku.contoso.com.pfx and b/src/System.Net.TestData/TestDataCertificates/testservereku.contoso.com.pfx differ