diff --git a/ruby.changes b/ruby.changes
index b817120..96d874c 100644
--- a/ruby.changes
+++ b/ruby.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Mar  2 09:07:57 UTC 2014 - kkaempf@suse.com
+
+- make api_version explicit in spec
+- adapt versions of embedded gems
+
 -------------------------------------------------------------------
 Fri Feb 28 14:14:00 UTC 2014 - adrian@suse.de
 
diff --git a/ruby.spec b/ruby.spec
index 4ab2f98..e284cef 100644
--- a/ruby.spec
+++ b/ruby.spec
@@ -27,6 +27,8 @@ Name:           ruby
 %define patch_level p0
 Version:        2.1.1
 Release:        0
+# make the exported API version explicit
+%define api_version 2.1.0
 
 # ruby-macros and ruby-common version
 %define rpm_macros_version 3
@@ -35,7 +37,7 @@ Release:        0
 %define pkg_version %{version}
 %define libname lib%{name}2_1
 # keep in sync with macro file!
-%define rb_ver  2.1.0
+%define rb_ver  %{api_version}
 %define rb_arch %(echo %{_target_cpu}-linux-gnu | sed -e "s/ppc/powerpc/")
 %define rb_libdir                         %{_libdir}/ruby/%{rb_ver}/
 %define rb_archdir                        %{_libdir}/ruby/%{rb_ver}/%{rb_arch}
@@ -168,15 +170,15 @@ Group:          Development/Languages/Ruby
 # - the usual means to generate provides for rubygems is using ruby
 #   and ruby is not available while building ruby :-/
 
-%define gen_embedded_provides4() %(awk -f %{S:8} -- 2.1.0 %arch %1 %2 %3 %4)
-%define gen_embedded_provides5() %(awk -f %{S:8} -- 2.1.0 %arch %1 %2 %3 %4 %5)
+%define gen_embedded_provides4() %(awk -f %{S:8} -- %api_version %arch %1 %2 %3 %4)
+%define gen_embedded_provides5() %(awk -f %{S:8} -- %api_version %arch %1 %2 %3 %4 %5)
 %gen_embedded_provides4 io-console 0 4 2
 %gen_embedded_provides4 json 1 8 1
 %gen_embedded_provides4 minitest 4 7 5
-%gen_embedded_provides4 psych 2 0 2
+%gen_embedded_provides4 psych 2 0 3
 %gen_embedded_provides4 rake 10 1 0
 %gen_embedded_provides4 rdoc 4 1 0
-%gen_embedded_provides5 test-unit 2 1 0 0
+%gen_embedded_provides5 test-unit 2 1 1 0
 
 ################################