diff --git a/go.mod b/go.mod
index b0c773913..74e609a3f 100644
--- a/go.mod
+++ b/go.mod
@@ -30,7 +30,7 @@ require (
 	github.com/ostreedev/ostree-go v0.0.0-20210805093236-719684c64e4f
 	github.com/proglottis/gpgme v0.1.4
 	github.com/secure-systems-lab/go-securesystemslib v0.9.0
-	github.com/sigstore/fulcio v1.6.4
+	github.com/sigstore/fulcio v1.6.6
 	github.com/sigstore/rekor v1.3.8
 	github.com/sigstore/sigstore v1.8.12
 	github.com/sirupsen/logrus v1.9.3