diff --git a/eng/common/testproxy/dotnet-devcert.crt b/eng/common/testproxy/dotnet-devcert.crt
index 254432686d..764cf84c6c 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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-sAut3tut6CDzToTMtAD5ebxSPh3DDM6JOsWhrGoT0if5qoio75tG6yV40gi3Tocr
-KCwDu8B2O2HlL5Q=
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+ZYN060pO6IO4Ti8=
 -----END CERTIFICATE-----
diff --git a/eng/common/testproxy/dotnet-devcert.pfx b/eng/common/testproxy/dotnet-devcert.pfx
index d8f717ce3c..1d59ff89ae 100644
Binary files a/eng/common/testproxy/dotnet-devcert.pfx and b/eng/common/testproxy/dotnet-devcert.pfx differ