diff --git a/dev-resources/regen_certs.rb b/dev-resources/regen_certs.rb
index daa3609795..767d80f279 100644
--- a/dev-resources/regen_certs.rb
+++ b/dev-resources/regen_certs.rb
@@ -78,7 +78,6 @@ def self.create_csr(name, key = PuppetSpec::SSL.create_private_key)
 
       csr.public_key = key.public_key
       csr.subject = OpenSSL::X509::Name.parse(name)
-      csr.version = 2
       csr.sign(key, DEFAULT_SIGNING_DIGEST)
 
       csr