diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f820c25b..2eb3decd 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,30 +12,30 @@ jobs:
           - ruby: 3.3
             gemfile: Gemfile
             elasticsearch: 8.13.4
-          - ruby: 3.2
+          - ruby: 3.3
             gemfile: gemfiles/opensearch3.gemfile
             opensearch: 2.14.0
-          - ruby: 3.1
+          - ruby: 3.2
             gemfile: gemfiles/opensearch2.gemfile
             opensearch: 2.0.0
-          - ruby: "3.0"
+          - ruby: 3.1
             gemfile: gemfiles/opensearch1.gemfile
             opensearch: 1.3.16
-          - ruby: 3.1
+          - ruby: 3.2
             gemfile: gemfiles/activerecord70.gemfile
             elasticsearch: 8
-          - ruby: "3.0"
+          - ruby: 3.1
             gemfile: gemfiles/activerecord61.gemfile
             elasticsearch: 7.17.21
           - ruby: 3.3
             gemfile: gemfiles/mongoid9.gemfile
             elasticsearch: 8
             mongodb: true
-          - ruby: 3.1
+          - ruby: 3.2
             gemfile: gemfiles/mongoid8.gemfile
             elasticsearch: 8.0.0
             mongodb: true
-          - ruby: "3.0"
+          - ruby: 3.1
             gemfile: gemfiles/mongoid7.gemfile
             elasticsearch: 7.0.0
             mongodb: true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7d35b38..0db9ef20 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## 5.4.0 (unreleased)
 
 - Added warning for full reindex and `:queue` mode
+- Dropped support for Ruby < 3.1
 
 ## 5.3.1 (2023-11-28)
 
diff --git a/searchkick.gemspec b/searchkick.gemspec
index aecbff8f..d3929b9a 100644
--- a/searchkick.gemspec
+++ b/searchkick.gemspec
@@ -13,7 +13,7 @@ Gem::Specification.new do |spec|
   spec.files         = Dir["*.{md,txt}", "{lib}/**/*"]
   spec.require_path  = "lib"
 
-  spec.required_ruby_version = ">= 3"
+  spec.required_ruby_version = ">= 3.1"
 
   spec.add_dependency "activemodel", ">= 6.1"
   spec.add_dependency "hashie"