diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e68f6dae..6b928bd4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.3'
+          ruby-version: '3.4'
           bundler-cache: true
       - name: Run rubocop
         run: bundle exec rubocop --parallel --format progress
@@ -26,36 +26,31 @@ jobs:
     strategy:
       matrix:
         entry:
-          - { ruby: '3.0', grape: '1.7.1' }
-          - { ruby: '3.1', grape: '1.7.1' }
-          - { ruby: '3.2', grape: '1.7.1' }
-          - { ruby: '3.3', grape: '1.7.1' }
-          - { ruby: 'head', grape: '1.7.1' }
-          - { ruby: '3.0', grape: '1.8.0' }
           - { ruby: '3.1', grape: '1.8.0' }
           - { ruby: '3.2', grape: '1.8.0' }
           - { ruby: '3.3', grape: '1.8.0' }
+          - { ruby: '3.4', grape: '1.8.0' }
           - { ruby: 'head', grape: '1.8.0' }
-          - { ruby: '3.0', grape: '2.0.0' }
           - { ruby: '3.1', grape: '2.0.0' }
           - { ruby: '3.2', grape: '2.0.0' }
           - { ruby: '3.3', grape: '2.0.0' }
+          - { ruby: '3.4', grape: '2.0.0' }
           - { ruby: 'head', grape: '2.0.0' }
-          - { ruby: '3.0', grape: '2.1.3' }
           - { ruby: '3.1', grape: '2.1.3' }
           - { ruby: '3.2', grape: '2.1.3' }
           - { ruby: '3.3', grape: '2.1.3' }
+          - { ruby: '3.4', grape: '2.1.3' }
           - { ruby: 'head', grape: '2.1.3' }
-          - { ruby: '3.0', grape: '2.2.0' }
           - { ruby: '3.1', grape: '2.2.0' }
           - { ruby: '3.2', grape: '2.2.0' }
           - { ruby: '3.3', grape: '2.2.0' }
+          - { ruby: '3.4', grape: '2.2.0' }
           - { ruby: 'head', grape: '2.2.0' }
-          - { ruby: '3.0', grape: 'HEAD' }
-          - { ruby: '3.1', grape: 'HEAD' }
-          - { ruby: '3.2', grape: 'HEAD' }
-          - { ruby: '3.3', grape: 'HEAD' }
-          - { ruby: 'head', grape: 'HEAD' }
+          # - { ruby: '3.1', grape: 'HEAD' }
+          # - { ruby: '3.2', grape: 'HEAD' }
+          # - { ruby: '3.3', grape: 'HEAD' }
+          # - { ruby: '3.4', grape: 'HEAD' }
+          # - { ruby: 'head', grape: 'HEAD' }
     name: test (ruby=${{ matrix.entry.ruby }}, grape=${{ matrix.entry.grape }})
     runs-on: ubuntu-latest
     needs: ['rubocop']
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ef85cf2..c54b36a5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,15 @@
-### 2.1.2 (Next)
+### Next
+
+#### Features
+
+* your contribution
+
+#### Fixes
+
+* your contribution
+
+
+### 2.1.2 (Jan 7, 2025)
 
 #### Features
 
diff --git a/Gemfile b/Gemfile
index 63895ff1..c5ddc597 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,6 +4,7 @@ source 'http://rubygems.org'
 
 gemspec
 
+# gem 'grape', git: 'https://github.com/ruby-grape/grape'
 gem 'grape', case version = ENV.fetch('GRAPE_VERSION', '< 3.0')
              when 'HEAD'
                { git: 'https://github.com/ruby-grape/grape' }
diff --git a/README.md b/README.md
index 6a618dac..6b4bbbf0 100644
--- a/README.md
+++ b/README.md
@@ -43,17 +43,18 @@ This screenshot is based on the [Hussars](https://github.com/LeFnord/hussars) sa
 
 The following versions of grape, grape-entity and grape-swagger can currently be used together.
 
-| grape-swagger | swagger spec | grape                   | grape-entity | representable |
-| ------------- | ------------ | ----------------------- | ------------ | ------------- |
-| 0.10.5        | 1.2          | >= 0.10.0 ... <= 0.14.0 | < 0.5.0      | n/a           |
-| 0.11.0        | 1.2          | >= 0.16.2               | < 0.5.0      | n/a           |
-| 0.25.2        | 2.0          | >= 0.14.0 ... <= 0.18.0 | <= 0.6.0     | >= 2.4.1      |
-| 0.26.0        | 2.0          | >= 0.16.2 ... <= 1.1.0  | <= 0.6.1     | >= 2.4.1      |
-| 0.27.0        | 2.0          | >= 0.16.2 ... <= 1.1.0  | >= 0.5.0     | >= 2.4.1      |
-| 0.32.0        | 2.0          | >= 0.16.2               | >= 0.5.0     | >= 2.4.1      |
-| 0.34.0        | 2.0          | >= 0.16.2 ... < 1.3.0   | >= 0.5.0     | >= 2.4.1      |
-| >= 1.0.0      | 2.0          | >= 1.3.0                | >= 0.5.0     | >= 2.4.1      |
-| >= 2.0.0      | 2.0          | >= 1.7.0                | >= 0.5.0     | >= 2.4.1      |
+| grape-swagger      | swagger spec | grape                   | grape-entity | representable |
+| ------------------ | ------------ | ----------------------- | ------------ | ------------- |
+| 0.10.5             | 1.2          | >= 0.10.0 ... <= 0.14.0 | < 0.5.0      | n/a           |
+| 0.11.0             | 1.2          | >= 0.16.2               | < 0.5.0      | n/a           |
+| 0.25.2             | 2.0          | >= 0.14.0 ... <= 0.18.0 | <= 0.6.0     | >= 2.4.1      |
+| 0.26.0             | 2.0          | >= 0.16.2 ... <= 1.1.0  | <= 0.6.1     | >= 2.4.1      |
+| 0.27.0             | 2.0          | >= 0.16.2 ... <= 1.1.0  | >= 0.5.0     | >= 2.4.1      |
+| 0.32.0             | 2.0          | >= 0.16.2               | >= 0.5.0     | >= 2.4.1      |
+| 0.34.0             | 2.0          | >= 0.16.2 ... < 1.3.0   | >= 0.5.0     | >= 2.4.1      |
+| >= 1.0.0           | 2.0          | >= 1.3.0                | >= 0.5.0     | >= 2.4.1      |
+| >= 2.0.0           | 2.0          | >= 1.7.0                | >= 0.5.0     | >= 2.4.1      |
+| >= 2.0.0 ... < 2.2 | 2.0          | >= 1.8.0 ... < 2.3.0    | >= 0.5.0     | >= 2.4.1      |
 
 
 ## Swagger-Spec <a name="swagger-spec"></a>
diff --git a/grape-swagger.gemspec b/grape-swagger.gemspec
index cd6c693f..c8007a0c 100644
--- a/grape-swagger.gemspec
+++ b/grape-swagger.gemspec
@@ -14,7 +14,7 @@ Gem::Specification.new do |s|
 
   s.metadata['rubygems_mfa_required'] = 'true'
 
-  s.required_ruby_version = '>= 3.0'
+  s.required_ruby_version = '>= 3.1'
   s.add_dependency 'grape', '>= 1.7', '< 3.0'
   s.add_dependency 'rack-test', '~> 2'