diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 206a69d..1c690b1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,7 +14,7 @@ jobs:
       matrix:
         # Due to https://github.com/actions/runner/issues/849, we have to use
         # quotes for '3.0' -- without quotes, CI sees '3' and runs the latest.
-        ruby: [2.4, 2.5, 2.6, 2.7, '3.0', 3.1, 3.2, jruby, truffleruby-head]
+        ruby: [2.4, 2.5, 2.6, 2.7, '3.0', 3.1, 3.2, 3.3, jruby, truffleruby-head]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
@@ -24,7 +24,7 @@ jobs:
     - name: Set bundler environment variables
       run: |
         echo "BUNDLE_WITH=checks:docs" >> $GITHUB_ENV
-      if: matrix.ruby == 3.2
+      if: matrix.ruby == 3.3
 
     # Use 'bundler-cache: true' instead of actions/cache as advised:
     #   * https://github.com/actions/cache/blob/main/examples.md#ruby---bundler
@@ -41,18 +41,18 @@ jobs:
         fail_ci_if_error: true # optional (default = false)
         token: ${{ secrets.CODECOV_TOKEN }}
         verbose: true # optional (default = false)
-      if: matrix.ruby == 3.2
+      if: matrix.ruby == 3.3
 
     - run: bundle exec rubocop
-      if: matrix.ruby == 3.2
+      if: matrix.ruby == 3.3
 
     - run: |
         bundle exec yard doctest
         bundle exec dokaz
-      if: matrix.ruby == 3.2
+      if: matrix.ruby == 3.3
 
-    - name: Run benchmarks on Ruby 2.7 or 3.2
+    - name: Run benchmarks on Ruby 2.7 or 3.3
       run: |
         BUNDLE_GEMFILE=benchmarks/Gemfile bundle install --jobs 4 --retry 3
         BUNDLE_GEMFILE=benchmarks/Gemfile bundle exec ruby benchmarks/benchmarks.rb
-      if: matrix.ruby == '2.7' || matrix.ruby == '3.2'
+      if: matrix.ruby == '2.7' || matrix.ruby == '3.3'
diff --git a/.ruby-version b/.ruby-version
index be94e6f..4772543 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.2.2
+3.3.2
diff --git a/Gemfile.lock b/Gemfile.lock
index d1d00d9..1ec9370 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,12 +1,12 @@
 GIT
   remote: https://github.com/panorama-ed/panolint-ruby.git
-  revision: a93988ea554177cf0ec9ef636c442f9d3af49a10
+  revision: f3fde1ecdaec4090c200346b4aa8c35c0ad13135
   branch: main
   specs:
     panolint-ruby (0)
-      rubocop (= 1.51.0)
-      rubocop-performance (= 1.18.0)
-      rubocop-rspec (= 2.22.0)
+      rubocop (= 1.64.1)
+      rubocop-performance (= 1.20.2)
+      rubocop-rspec (= 2.29.2)
 
 PATH
   remote: .
@@ -24,16 +24,20 @@ GEM
       ansi
       rouge (~> 4)
       slop (~> 3)
-    json (2.6.3)
+    json (2.7.2)
+    language_server-protocol (3.17.0.3)
     minitest (5.18.0)
-    parallel (1.23.0)
-    parser (3.2.2.1)
+    parallel (1.24.0)
+    parser (3.3.2.0)
       ast (~> 2.4.1)
+      racc
+    racc (1.8.0)
     rainbow (3.1.1)
     rake (13.1.0)
     redcarpet (3.6.0)
-    regexp_parser (2.8.0)
-    rexml (3.2.5)
+    regexp_parser (2.9.2)
+    rexml (3.2.8)
+      strscan (>= 3.0.9)
     rouge (4.1.0)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
@@ -48,29 +52,33 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.1)
-    rubocop (1.51.0)
+    rubocop (1.64.1)
       json (~> 2.3)
+      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.0.0)
+      parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.28.0, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.28.1)
-      parser (>= 3.2.1.0)
-    rubocop-capybara (2.18.0)
+    rubocop-ast (1.31.3)
+      parser (>= 3.3.1.0)
+    rubocop-capybara (2.20.0)
       rubocop (~> 1.41)
-    rubocop-factory_bot (2.23.1)
-      rubocop (~> 1.33)
-    rubocop-performance (1.18.0)
-      rubocop (>= 1.7.0, < 2.0)
-      rubocop-ast (>= 0.4.0)
-    rubocop-rspec (2.22.0)
-      rubocop (~> 1.33)
+    rubocop-factory_bot (2.25.1)
+      rubocop (~> 1.41)
+    rubocop-performance (1.20.2)
+      rubocop (>= 1.48.1, < 2.0)
+      rubocop-ast (>= 1.30.0, < 2.0)
+    rubocop-rspec (2.29.2)
+      rubocop (~> 1.40)
       rubocop-capybara (~> 2.17)
       rubocop-factory_bot (~> 2.22)
+      rubocop-rspec_rails (~> 2.28)
+    rubocop-rspec_rails (2.28.3)
+      rubocop (~> 1.40)
     ruby-progressbar (1.13.0)
     simplecov (0.22.0)
       docile (~> 1.1)
@@ -82,7 +90,8 @@ GEM
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
     slop (3.6.0)
-    unicode-display_width (2.4.2)
+    strscan (3.1.0)
+    unicode-display_width (2.5.0)
     values (1.8.0)
     webrick (1.8.1)
     yard (0.9.36)
diff --git a/lib/memo_wise.rb b/lib/memo_wise.rb
index dace3d6..30d4cf9 100644
--- a/lib/memo_wise.rb
+++ b/lib/memo_wise.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # Disable RuboCop here because Ruby < 3.2 does not load `set` by default.
-require "set" # rubocop:disable Lint/RedundantRequireStatement
+require "set"
 
 require "memo_wise/internal_api"
 require "memo_wise/version"
@@ -31,12 +31,12 @@ module MemoWise
   # [calling the original](https://medium.com/@jeremy_96642/ruby-method-auditing-using-module-prepend-4f4e69aacd95)
   # constructor.
   #
-  # - **Q:** Why is [Module#prepend](https://ruby-doc.org/3.2.2/Module.html#method-i-prepend)
+  # - **Q:** Why is [Module#prepend](https://ruby-doc.org/3.3.1/Module.html#method-i-prepend)
   #          important here
   #          ([more info](https://medium.com/@leo_hetsch/ruby-modules-include-vs-prepend-vs-extend-f09837a5b073))?
   # - **A:** To set up *mutable state* inside the instance, even if the original
   #          constructor will then call
-  #          [Object#freeze](https://ruby-doc.org/3.2.2/Object.html#method-i-freeze).
+  #          [Object#freeze](https://ruby-doc.org/3.3.1/Object.html#method-i-freeze).
   #
   # This approach supports memoization on frozen (immutable) objects -- for
   # example, classes created by the
@@ -101,7 +101,7 @@ def inherited(subclass)
   # @param target [Class]
   #   The `Class` into to prepend the MemoWise methods e.g. `memo_wise`
   #
-  # @see https://ruby-doc.org/3.2.2/Module.html#method-i-prepend
+  # @see https://ruby-doc.org/3.3.1/Module.html#method-i-prepend
   #
   # @example
   #   class Example
@@ -116,7 +116,7 @@ class << target
       #
       # This is necessary in addition to the `#initialize` method definition
       # above because
-      # [`Class#allocate`](https://ruby-doc.org/3.2.2/Class.html#method-i-allocate)
+      # [`Class#allocate`](https://ruby-doc.org/3.3.1/Class.html#method-i-allocate)
       # bypasses `#initialize`, and when it's used (e.g.,
       # [in ActiveRecord](https://github.com/rails/rails/blob/a395c3a6af1e079740e7a28994d77c8baadd2a9d/activerecord/lib/active_record/persistence.rb#L411))
       # we still need to be able to access MemoWise's instance variable. Despite
@@ -268,7 +268,7 @@ def #{method_name}(#{MemoWise::InternalAPI.args_str(method)})
         )
       end
 
-      # Override [Module#instance_method](https://ruby-doc.org/3.2.2/Module.html#method-i-instance_method)
+      # Override [Module#instance_method](https://ruby-doc.org/3.3.1/Module.html#method-i-instance_method)
       # to proxy the original `UnboundMethod#parameters` results. We want the
       # parameters to reflect the original method in order to support callers
       # who want to use Ruby reflection to process the method parameters,