diff --git a/openssl.spec b/openssl.spec
index 62742ca..5b23b28 100644
--- a/openssl.spec
+++ b/openssl.spec
@@ -81,7 +81,7 @@ BuildRequires: /usr/sbin/sysctl
 BuildRequires: perl(Test::Harness), perl(Test::More), perl(Math::BigInt)
 BuildRequires: perl(Module::Load::Conditional), perl(File::Temp)
 BuildRequires: perl(Time::HiRes)
-BuildRequires: perl(FindBin)
+BuildRequires: perl(FindBin), perl(lib), perl(File::Compare), perl(File::Copy)
 Requires: coreutils
 Requires: %{name}-libs%{?_isa} = %{epoch}:%{version}-%{release}