diff --git a/common/cosign.pub b/common/cosign.pub
new file mode 100644
index 0000000..73ed7fd
--- /dev/null
+++ b/common/cosign.pub
@@ -0,0 +1,4 @@
+-----BEGIN PUBLIC KEY-----
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEWB3W2/Lfw0AOH2qrJw1JD6qDVVKW
+9AC5oh4kEmdXfgEI27k7d59lY9WYUFDhExgt3nfVIbKuiG2T8gOy+l5fCw==
+-----END PUBLIC KEY-----