diff --git a/pcs.spec b/pcs.spec
index 5f44671..c2272ac 100644
--- a/pcs.spec
+++ b/pcs.spec
@@ -386,6 +386,10 @@ pwd
 
 %make_install
 
+# RHEL-7715 - fix rubygem permissions - remove write access for owner's group
+# and other users
+chmod --recursive g-w,o-w ${RPM_BUILD_ROOT}%{_libdir}/%{rubygem_bundle_dir}
+
 # something like make install for pcs-web-ui
 cp -r %{_builddir}/%{ui_src_name}/build  ${RPM_BUILD_ROOT}%{_libdir}/%{pcsd_public_dir}/ui