diff --git a/ruby-full/README.md b/ruby-full/README.md
index 4b52061d0..0ba67124a 100644
--- a/ruby-full/README.md
+++ b/ruby-full/README.md
@@ -1,8 +1,8 @@
 # about minimum2scp/ruby-full image
 
  * based on minimum2scp/ruby (see https://github.com/minimum2scp/dockerfiles/tree/master/ruby)
- * ruby ruby 2.6.10, ruby 2.7.6, ruby 3.0.4, ruby 3.1.2 is installed by rbenv
- * ruby 3.1.2 is installed by debian package
+ * ruby 2.7.8, 3.0.7, 3.1.6, 3.2.5, 3.3.4  is installed by rbenv
+ * ruby 3.3.6 is installed by debian package
 
 ## ssh login to container
 
@@ -50,11 +50,13 @@ rbenv gloabl (/opt/rbenv/version) is not defined, and some rubies are built.
 ```
 % docker run --rm -t minimum2scp/ruby-full:latest /bin/bash -l -c "rbenv versions"
 * system (set by /opt/rbenv/version)
-  2.7.6
-  3.0.4
-  3.1.2
+  2.7.8
+  3.0.7
+  3.1.6
+  3.2.5
+  3.3.4
 % docker run --rm -t minimum2scp/ruby-full:latest /bin/bash -l -c "ruby -v"
-ruby 3.1.2p20 (2022-04-12 revision 4491bb740a) [x86_64-linux-gnu]
+ruby 3.3.6 (2024-11-05 revision 75015d4c1f) [x86_64-linux-gnu]
 ```
 
 
diff --git a/spec/ruby-full/00base_spec.rb b/spec/ruby-full/00base_spec.rb
index cc75b8371..0fe073b37 100644
--- a/spec/ruby-full/00base_spec.rb
+++ b/spec/ruby-full/00base_spec.rb
@@ -125,14 +125,14 @@
       end
     end
 
-    %w[ruby3.1 ruby3.1-dev].each do |pkg|
+    %w[ruby3.3 ruby3.3-dev].each do |pkg|
       describe package(pkg) do
         it { should be_installed }
       end
     end
 
-    describe command('ruby3.1 -v') do
-      its(:stdout) { should start_with('ruby 3.1.2p') }
+    describe command('ruby3.3 -v') do
+      its(:stdout) { should start_with('ruby 3.3.6 ') }
     end
   end
 end
diff --git a/spec/ruby/00base_spec.rb b/spec/ruby/00base_spec.rb
index 228445f1b..9d92191cd 100644
--- a/spec/ruby/00base_spec.rb
+++ b/spec/ruby/00base_spec.rb
@@ -38,11 +38,11 @@
 
     describe file('/usr/bin/ruby') do
       it { should be_symlink }
-      it { should be_linked_to('ruby3.1') }
+      it { should be_linked_to('ruby3.3') }
     end
 
-    describe command('ruby3.1 -v') do
-      its(:stdout) { should start_with('ruby 3.1.2p') }
+    describe command('ruby3.3 -v') do
+      its(:stdout) { should start_with('ruby 3.3.6 ') }
     end
 
     describe file('/opt/rbenv') do
@@ -87,7 +87,7 @@
     end
 
     describe package('bundler') do
-      it { should be_installed.with_version('2.4.20-1') }
+      it { should be_installed.with_version('2.6.3-1') }
     end
   end
 end