diff --git a/perl-DB_File.spec b/perl-DB_File.spec
index dca8c08..6beaf96 100644
--- a/perl-DB_File.spec
+++ b/perl-DB_File.spec
@@ -63,6 +63,7 @@ interface defined here mirrors the Berkeley DB interface closely.
 Summary:        Tests for %{name}
 Requires:       %{name} = %{?epoch:%{epoch}:}%{version}-%{release}
 Requires:       perl-Test-Harness
+Requires:       perl(threads)
 
 %description tests
 Tests from %{name}. Execute them