diff --git a/go.mod b/go.mod
index 496d0126..99df8a61 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/cyberphone/json-canonicalization v0.0.0-20220623050100-57a0ce2678a7
 	github.com/digitorus/timestamp v0.0.0-20230902153158-687734543647
 	github.com/go-openapi/runtime v0.26.0
-	github.com/go-openapi/strfmt v0.21.7
+	github.com/go-openapi/strfmt v0.21.8
 	github.com/go-openapi/swag v0.22.4
 	github.com/google/certificate-transparency-go v1.1.7
 	github.com/in-toto/in-toto-golang v0.9.0
diff --git a/go.sum b/go.sum
index 87473958..b4a90a0a 100644
--- a/go.sum
+++ b/go.sum
@@ -192,8 +192,8 @@ github.com/go-openapi/spec v0.20.9/go.mod h1:2OpW+JddWPrpXSCIX8eOx7lZ5iyuWj3RYR6
 github.com/go-openapi/strfmt v0.21.0/go.mod h1:ZRQ409bWMj+SOgXofQAGTIo2Ebu72Gs+WaRADcS5iNg=
 github.com/go-openapi/strfmt v0.21.1/go.mod h1:I/XVKeLc5+MM5oPNN7P6urMOpuLXEcNrCX/rPGuWb0k=
 github.com/go-openapi/strfmt v0.21.3/go.mod h1:k+RzNO0Da+k3FrrynSNN8F7n/peCmQQqbbXjtDfvmGg=
-github.com/go-openapi/strfmt v0.21.7 h1:rspiXgNWgeUzhjo1YU01do6qsahtJNByjLVbPLNHb8k=
-github.com/go-openapi/strfmt v0.21.7/go.mod h1:adeGTkxE44sPyLk0JV235VQAO/ZXUr8KAzYjclFs3ew=
+github.com/go-openapi/strfmt v0.21.8 h1:VYBUoKYRLAlgKDrIxR/I0lKrztDQ0tuTDrbhLVP8Erg=
+github.com/go-openapi/strfmt v0.21.8/go.mod h1:adeGTkxE44sPyLk0JV235VQAO/ZXUr8KAzYjclFs3ew=
 github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
 github.com/go-openapi/swag v0.19.15/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
 github.com/go-openapi/swag v0.21.1/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=