diff --git a/IP2Location.spec b/IP2Location.spec
index b4ed188..cb60a69 100644
--- a/IP2Location.spec
+++ b/IP2Location.spec
@@ -10,6 +10,7 @@ Source0:	https://github.com/chrislim2888/IP2Location-C-Library/archive/%{version
 Patch0:		IP2Location-8.0.9-adebc0ef.patch
 Patch1:		IP2Location-8.0.9-rpmlint.patch
 BuildRequires:	libtool
+BuildRequires:	perl(Math::BigInt)
 
 
 %description