diff --git a/CHANGELOG.md b/CHANGELOG.md
index e4cd4706..f487b62e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ Please follow the format in [Keep a Changelog](http://keepachangelog.com/)
 
 ## [Unreleased]
 
+## [6.7.0] - 2024-02-20
+
+- Flex mysql2 dependency to < 0.6 and bump version to 0.5.6
 - Drop support for older than the latest EOL Ruby (2.7) and Rails (6.0)
 
 ## [6.6.0] - 2024-01-02
diff --git a/Gemfile.lock b/Gemfile.lock
index ba2c58e4..1bb56fd1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    departure (6.6.0)
+    departure (6.7.0)
       activerecord (>= 6.0.0, < 7.2.0, != 7.0.0)
       railties (>= 6.0.0, < 7.2.0, != 7.0.0)
 
@@ -76,7 +76,7 @@ GEM
     method_source (1.0.0)
     minitest (5.22.2)
     mutex_m (0.2.0)
-    mysql2 (0.5.5)
+    mysql2 (0.5.6)
     nokogiri (1.16.2-arm64-darwin)
       racc (~> 1.4)
     nokogiri (1.16.2-x86_64-linux)
diff --git a/gemfiles/rails_6_0.gemfile.lock b/gemfiles/rails_6_0.gemfile.lock
index 678d1a85..436cc879 100644
--- a/gemfiles/rails_6_0.gemfile.lock
+++ b/gemfiles/rails_6_0.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    departure (6.6.0)
+    departure (6.7.0)
       activerecord (>= 6.0.0, < 7.2.0, != 7.0.0)
       railties (>= 6.0.0, < 7.2.0, != 7.0.0)
 
@@ -102,7 +102,7 @@ GEM
     method_source (1.0.0)
     mini_mime (1.1.5)
     minitest (5.22.2)
-    mysql2 (0.5.5)
+    mysql2 (0.5.6)
     net-imap (0.4.10)
       date
       net-protocol
diff --git a/gemfiles/rails_6_1.gemfile.lock b/gemfiles/rails_6_1.gemfile.lock
index efdb79b7..bb916014 100644
--- a/gemfiles/rails_6_1.gemfile.lock
+++ b/gemfiles/rails_6_1.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    departure (6.6.0)
+    departure (6.7.0)
       activerecord (>= 6.0.0, < 7.2.0, != 7.0.0)
       railties (>= 6.0.0, < 7.2.0, != 7.0.0)
 
@@ -106,7 +106,7 @@ GEM
     method_source (1.0.0)
     mini_mime (1.1.5)
     minitest (5.22.2)
-    mysql2 (0.5.5)
+    mysql2 (0.5.6)
     net-imap (0.4.10)
       date
       net-protocol
diff --git a/gemfiles/rails_7_0.gemfile.lock b/gemfiles/rails_7_0.gemfile.lock
index 98db19ba..335d105b 100644
--- a/gemfiles/rails_7_0.gemfile.lock
+++ b/gemfiles/rails_7_0.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    departure (6.6.0)
+    departure (6.7.0)
       activerecord (>= 6.0.0, < 7.2.0, != 7.0.0)
       railties (>= 6.0.0, < 7.2.0, != 7.0.0)
 
@@ -112,7 +112,7 @@ GEM
     method_source (1.0.0)
     mini_mime (1.1.5)
     minitest (5.22.2)
-    mysql2 (0.5.5)
+    mysql2 (0.5.6)
     net-imap (0.4.10)
       date
       net-protocol
diff --git a/gemfiles/rails_7_1.gemfile.lock b/gemfiles/rails_7_1.gemfile.lock
index 776de1b2..a2eb4bb3 100644
--- a/gemfiles/rails_7_1.gemfile.lock
+++ b/gemfiles/rails_7_1.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    departure (6.6.0)
+    departure (6.7.0)
       activerecord (>= 6.0.0, < 7.2.0, != 7.0.0)
       railties (>= 6.0.0, < 7.2.0, != 7.0.0)
 
@@ -128,7 +128,7 @@ GEM
     mini_mime (1.1.5)
     minitest (5.22.2)
     mutex_m (0.2.0)
-    mysql2 (0.5.5)
+    mysql2 (0.5.6)
     net-imap (0.4.10)
       date
       net-protocol
diff --git a/gemfiles/ruby_2.7_rails_6_0.gemfile.lock b/gemfiles/ruby_2.7_rails_6_0.gemfile.lock
index da16e37b..c3b1b767 100644
--- a/gemfiles/ruby_2.7_rails_6_0.gemfile.lock
+++ b/gemfiles/ruby_2.7_rails_6_0.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    departure (6.6.0)
+    departure (6.7.0)
       activerecord (>= 6.0.0, < 7.2.0, != 7.0.0)
       railties (>= 6.0.0, < 7.2.0, != 7.0.0)
 
@@ -102,7 +102,7 @@ GEM
     method_source (1.0.0)
     mini_mime (1.1.5)
     minitest (5.22.2)
-    mysql2 (0.5.5)
+    mysql2 (0.5.6)
     net-imap (0.4.10)
       date
       net-protocol
diff --git a/gemfiles/ruby_2.7_rails_6_1.gemfile.lock b/gemfiles/ruby_2.7_rails_6_1.gemfile.lock
index 2b4af6ca..e38d5ce5 100644
--- a/gemfiles/ruby_2.7_rails_6_1.gemfile.lock
+++ b/gemfiles/ruby_2.7_rails_6_1.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    departure (6.6.0)
+    departure (6.7.0)
       activerecord (>= 6.0.0, < 7.2.0, != 7.0.0)
       railties (>= 6.0.0, < 7.2.0, != 7.0.0)
 
@@ -106,7 +106,7 @@ GEM
     method_source (1.0.0)
     mini_mime (1.1.5)
     minitest (5.22.2)
-    mysql2 (0.5.5)
+    mysql2 (0.5.6)
     net-imap (0.4.10)
       date
       net-protocol
diff --git a/gemfiles/ruby_2.7_rails_7_0.gemfile.lock b/gemfiles/ruby_2.7_rails_7_0.gemfile.lock
index a01e43ac..532f09fa 100644
--- a/gemfiles/ruby_2.7_rails_7_0.gemfile.lock
+++ b/gemfiles/ruby_2.7_rails_7_0.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    departure (6.6.0)
+    departure (6.7.0)
       activerecord (>= 6.0.0, < 7.2.0, != 7.0.0)
       railties (>= 6.0.0, < 7.2.0, != 7.0.0)
 
@@ -112,7 +112,7 @@ GEM
     method_source (1.0.0)
     mini_mime (1.1.5)
     minitest (5.22.2)
-    mysql2 (0.5.5)
+    mysql2 (0.5.6)
     net-imap (0.4.10)
       date
       net-protocol
diff --git a/gemfiles/ruby_2.7_rails_7_1.gemfile.lock b/gemfiles/ruby_2.7_rails_7_1.gemfile.lock
index 0b253760..ed561af8 100644
--- a/gemfiles/ruby_2.7_rails_7_1.gemfile.lock
+++ b/gemfiles/ruby_2.7_rails_7_1.gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ..
   specs:
-    departure (6.6.0)
+    departure (6.7.0)
       activerecord (>= 6.0.0, < 7.2.0, != 7.0.0)
       railties (>= 6.0.0, < 7.2.0, != 7.0.0)
 
@@ -128,7 +128,7 @@ GEM
     mini_mime (1.1.5)
     minitest (5.22.2)
     mutex_m (0.2.0)
-    mysql2 (0.5.5)
+    mysql2 (0.5.6)
     net-imap (0.4.10)
       date
       net-protocol
diff --git a/lib/departure/version.rb b/lib/departure/version.rb
index 955d3402..52737652 100644
--- a/lib/departure/version.rb
+++ b/lib/departure/version.rb
@@ -1,3 +1,3 @@
 module Departure
-  VERSION = '6.6.0'.freeze
+  VERSION = '6.7.0'.freeze
 end