diff --git a/internal/token/errors.go b/internal/token/errors.go
new file mode 100644
index 0000000..e0d5c37
--- /dev/null
+++ b/internal/token/errors.go
@@ -0,0 +1,7 @@
+package token
+
+import "fmt"
+
+var (
+	ErrTokenIsRevoked = fmt.Errorf("token is revoked")
+)