diff --git a/environment-modules.spec b/environment-modules.spec
index 181db6d..2f97015 100644
--- a/environment-modules.spec
+++ b/environment-modules.spec
@@ -10,13 +10,13 @@ License:        GPLv2+
 URL:            http://modules.sourceforge.net/
 Source0:        http://downloads.sourceforge.net/modules/modules-%{version}.tar.bz2
 
+BuildRequires:  tcl
 BuildRequires:  dejagnu
 BuildRequires:  make
 BuildRequires:  sed
 BuildRequires:  less
 BuildRequires:  hostname
-BuildRequires:  procps
-BuildRequires:  man
+BuildRequires:  procps-ng
 # specific requirements to build compat version and extension library
 BuildRequires:  gcc
 BuildRequires:  tcl-devel
@@ -27,8 +27,8 @@ Requires:       tcl
 Requires:       sed
 Requires:       less
 Requires:       vim-filesystem
-Requires:       procps
-Requires:       man
+Requires:       procps-ng
+Requires:       man-db
 Requires(post): coreutils
 Requires(post): %{_sbindir}/update-alternatives
 Requires(postun): %{_sbindir}/update-alternatives