diff --git a/perl-Math-BigInt-FastCalc.spec b/perl-Math-BigInt-FastCalc.spec
index 99b8301..48c86fd 100644
--- a/perl-Math-BigInt-FastCalc.spec
+++ b/perl-Math-BigInt-FastCalc.spec
@@ -40,7 +40,7 @@ This Perl module provides support for fast big integer calculations.
 Summary:        Tests for %{name}
 Requires:       %{name} = %{?epoch:%{epoch}:}%{version}-%{release}
 Requires:       perl-Test-Harness
-Requires:       perl(Math::BigInt) >= 1.999819
+Requires:       perl(Math::BigInt) >= 1.999831
 
 %description tests
 Tests from %{name}. Execute them