diff --git a/README.md b/README.md
deleted file mode 100644
index ca416cb..0000000
--- a/README.md
+++ /dev/null
@@ -1,9 +0,0 @@
-# modules/ruby
-
-## Current status
-
-This module is not available yet.
-
-See this Bugzilla ticket to check the status.
-
-https://bugzilla.redhat.com/show_bug.cgi?id=1490285
diff --git a/ruby.yaml b/ruby.yaml
index dc06763..09ab1ef 100644
--- a/ruby.yaml
+++ b/ruby.yaml
@@ -19,10 +19,9 @@ data:
     dependencies:
         - buildrequires:
             # platform: [] is recommended.
-            # But set "-f28" to avoid the build failure as a temporary workflow.
-            platform: [-f28]
+            platform: [-el8]
           requires:
-            platform: [-f28]
+            platform: [-el8]
     components:
         # SRPMs
         rpms:
@@ -38,13 +37,6 @@ data:
                     ABRT support for Ruby
                 buildorder: 102
                 ref: master
-            rubygem-bundler:
-                # From rubygem-bundler.spec Summary
-                rationale: >-
-                    Library and utilities to manage a Ruby application's gem
-                    dependencies
-                buildorder: 102
-                ref: master
             rubygem-mysql2:
                 # From rubygem-mysql2.spec Summary
                 rationale: >-
@@ -74,6 +66,8 @@ data:
             macros: |
                 # To disable tests in several packages.
                 %_without_tests 1
+                # To avoid the test faiures by timeout in ruby.
+                %test_timeout_scale 6
     api:
         # RPMs
         # From *.spec %package
@@ -81,13 +75,16 @@ data:
             # From ruby.spec
             - ruby
             - ruby-devel
-            - ruby-irb
             - ruby-libs
+            - ruby-default-gems
             - rubygems
             - rubygems-devel
             - rubygem-bigdecimal
+            - rubygem-bundler
+            # It's used in Ruby 2.6 on f31.
             - rubygem-did_you_mean
             - rubygem-io-console
+            - rubygem-irb
             - rubygem-json
             - rubygem-minitest
             - rubygem-net-telnet
@@ -100,8 +97,6 @@ data:
             - rubygem-xmlrpc
             # From rubygem-abrt.spec
             - rubygem-abrt
-            # From rubygem-bundler.spec
-            - rubygem-bundler
             # From rubygem-mysql2.spec
             - rubygem-mysql2
             # From rubygem-pg.spec