diff --git a/db/models/s5_challenges.go b/db/models/s5_challenges.go
new file mode 100644
index 0000000..e317aaf
--- /dev/null
+++ b/db/models/s5_challenges.go
@@ -0,0 +1,10 @@
+package models
+
+import "gorm.io/gorm"
+
+type S5Challenge struct {
+	gorm.Model
+	Challenge string
+	Pubkey    string
+	Type      string
+}