diff --git a/common/cosign-backup.pub b/common/cosign-backup.pub
new file mode 100644
index 0000000..21e104c
--- /dev/null
+++ b/common/cosign-backup.pub
@@ -0,0 +1,4 @@
+-----BEGIN PUBLIC KEY-----
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE0bdHX1E0INcHSw9WymA58yuLfvFj
+5wdPkuucUMFJVs/yBct/qfQhqTgFjAd4iGL6mxgA4iJ0Fo3S8AcgIb/kXA==
+-----END PUBLIC KEY-----
diff --git a/os/cosign-backup.pub b/os/cosign-backup.pub
new file mode 100644
index 0000000..b3c1a46
--- /dev/null
+++ b/os/cosign-backup.pub
@@ -0,0 +1,4 @@
+-----BEGIN PUBLIC KEY-----
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE3/Ds1rK0acas0b3DPpxwZm+lhg73
+c2DWGRMBJi7MuRvW6VoT6662p+GjJPXAAyTgYntlSEDze/yRqejNlZ9eqQ==
+-----END PUBLIC KEY-----