diff --git a/amd/amd.spec b/amd/amd.spec
index 651f6c0163..0d6a23fc2a 100644
--- a/amd/amd.spec
+++ b/amd/amd.spec
@@ -43,7 +43,7 @@ Patch0:       am-utils-%{version}.patch
 #   build information
 Prefix:       %{l_prefix}
 BuildRoot:    %{l_buildroot}
-BuildPreReq:  OpenPKG, openpkg >= 0.9-20011025.0, flex
+BuildPreReq:  OpenPKG, openpkg >= 0.9-20011025.0, flex, bison
 PreReq:       OpenPKG, openpkg >= 0.9-20011025.0
 AutoReq:      no
 AutoReqProv:  no