diff --git a/eng/common/testproxy/dotnet-devcert.crt b/eng/common/testproxy/dotnet-devcert.crt
index 764cf84c6..931b6e739 100644
--- a/eng/common/testproxy/dotnet-devcert.crt
+++ b/eng/common/testproxy/dotnet-devcert.crt
@@ -1,21 +1,21 @@
 -----BEGIN CERTIFICATE-----
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-uTZPnlsBKQ23qgZ0dtcJzL0scC7zSuYI+qm1QNNyz13K+1ORXPQGQJXULlt7UeHB
-ZYN060pO6IO4Ti8=
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+BTBk4gS9MSt2Jj8=
 -----END CERTIFICATE-----
diff --git a/eng/common/testproxy/dotnet-devcert.pfx b/eng/common/testproxy/dotnet-devcert.pfx
index 1d59ff89a..93a5617ae 100644
Binary files a/eng/common/testproxy/dotnet-devcert.pfx and b/eng/common/testproxy/dotnet-devcert.pfx differ