diff --git a/re2.spec b/re2.spec
index 17734a6..a3d858a 100644
--- a/re2.spec
+++ b/re2.spec
@@ -34,7 +34,7 @@ missing features (e.g back references and generalized assertions).
 
 %package        devel
 Summary:        C++ header files and library symbolic links for %{name}
-Requires:       %{name}%{?_isa} = %{version}-%{release}
+Requires:       %{name}%{?_isa} = %{epoch}:%{version}-%{release}
 
 %description    devel
 This package contains the C++ header files and symbolic links to the shared