diff --git a/tests/keys/mitmproxy-ca.pem b/tests/keys/mitmproxy-ca.pem
index 08004feca..cdef75f99 100644
--- a/tests/keys/mitmproxy-ca.pem
+++ b/tests/keys/mitmproxy-ca.pem
@@ -1,32 +1,50 @@
------BEGIN RSA PRIVATE KEY-----
-MIICWwIBAAKBgQDKLbznLxS7HSWvrmGcvVS6eQvjEWD705/csvnk/WtqAPfQMJKt
-auFBxzPt6RT60SHtj/2FKt2gqsiE6cNINxGN6fGYD7HtaM5HXRVPUKJaMipJwHha
-QivjIZoueraY/MtlyCkpp6dmMnHEpGY7OzwMyh1eCBHQ2JYx6VEzbks9ewIDAQAB
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-1OF9U6L0wbj9AgpExtjAFWkKEdA6vj34iCChBb8FrmJpUb3WUWi7nReTiQJAFyIT
-9Av93LRcd7CJezrTUdolF/WX9DdPEvTtJ5ETHSyGIQ0Yccph0AMcYK82mFTiJYGB
-dH5uZLEkUVGK1KwmXwJAGWLdYiQyQitRWdoURcLb4OZ2gF3+7PASgFilI8YuoYhn
-Rl2Va3UtErPKJeMg2dTH18PuXykQMsQR1+rPxf1WSA==
------END RSA PRIVATE KEY-----
+-----BEGIN PRIVATE KEY-----
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+B8kC8sLHxQoG5SvBu4dBxMwKIU9O9uFnX5SUYZUDpCtUYyZ+GtGom41Jwg5ENrwy
+HzPh2taMnCA0h1fNLFFBkw88
+-----END PRIVATE KEY-----
 -----BEGIN CERTIFICATE-----
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-CW1pdG1wcm94eTESMBAGA1UEChMJbWl0bXByb3h5MB4XDTEzMDkyNjE0MzYxMVoX
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-n95u
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+wiKjdLjCmJgjGAQjRw5VYJ8JI0XO
 -----END CERTIFICATE-----