diff --git a/epics-base.spec b/epics-base.spec
index 103fd69fc..6c707f95c 100644
--- a/epics-base.spec
+++ b/epics-base.spec
@@ -127,6 +127,9 @@ Summary:        EPICS base %{EpicsVersion} for development environments
 Requires:       %{name}             = %{version}-%{release}
 Requires:       %{name}-host-devel  = %{version}-%{release}
 Requires:       gfa-cross-compiler-links
+BuildRequires:  gfa-cross-compiler-links
+Requires:       mingw64-gcc-c++
+BuildRequires:  mingw64-gcc-c++
 BuildArch:      noarch
 AutoReqProv:    no