diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 40570829..983c2d95 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,8 +15,6 @@ jobs:
             gemfile: gemfiles/rails71.gemfile
           - ruby: 3.1
             gemfile: gemfiles/rails70.gemfile
-          - ruby: "3.0"
-            gemfile: gemfiles/rails61.gemfile
     env:
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
     steps:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef495e5e..a202ace3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
-## 3.0.5 (unreleased)
+## 3.1.0 (unreleased)
 
 - Fixed error when Propshaft is installed but not used
+- Dropped support for Ruby < 3.1 and Rails < 7
 
 ## 3.0.4 (2024-09-04)
 
diff --git a/blazer.gemspec b/blazer.gemspec
index f41ee568..9ad4a41a 100644
--- a/blazer.gemspec
+++ b/blazer.gemspec
@@ -13,9 +13,9 @@ Gem::Specification.new do |spec|
   spec.files         = Dir["*.{md,txt}", "{app,config,lib,licenses}/**/*"]
   spec.require_path  = "lib"
 
-  spec.required_ruby_version = ">= 3"
+  spec.required_ruby_version = ">= 3.1"
 
-  spec.add_dependency "railties", ">= 6.1"
+  spec.add_dependency "railties", ">= 7"
   spec.add_dependency "activerecord", ">= 6.1"
   spec.add_dependency "chartkick", ">= 5"
   spec.add_dependency "safely_block", ">= 0.4"
diff --git a/gemfiles/rails61.gemfile b/gemfiles/rails61.gemfile
deleted file mode 100644
index 1ab022dc..00000000
--- a/gemfiles/rails61.gemfile
+++ /dev/null
@@ -1,10 +0,0 @@
-source "https://rubygems.org"
-
-gemspec path: ".."
-
-gem "rake"
-gem "minitest", ">= 5"
-gem "combustion"
-gem "rails", "~> 6.1.0"
-gem "pg"
-gem "sprockets-rails"