diff --git a/gem-public_cert.pem b/gem-public_cert.pem
new file mode 100644
index 00000000..fa1d43df
--- /dev/null
+++ b/gem-public_cert.pem
@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----
+MIIDdDCCAlygAwIBAgIBATANBgkqhkiG9w0BAQUFADBAMRIwEAYDVQQDDAlwaGls
+LnJvc3MxFTATBgoJkiaJk/IsZAEZFgVnbWFpbDETMBEGCgmSJomT8ixkARkWA2Nv
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+6BVw9ZDNFnDH4PQjZGbdwanB7kzm+TEi
+-----END CERTIFICATE-----