diff --git a/CHANGELOG.md b/CHANGELOG.md
index 153b6e5..a34acab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 1.5.0
+## 1.5.0 (2026-09-10)
 
 * Fixed two denial-of-service issues in the decoder. A crafted database could
   nest data-section pointers to shared targets so that decoding one record
diff --git a/Gemfile.lock b/Gemfile.lock
index c88df7d..0bd1d50 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    maxmind-db (1.4.0)
+    maxmind-db (1.5.0)
 
 GEM
   remote: https://rubygems.org/
diff --git a/README.md b/README.md
index ccf598c..120cce3 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ This library uses [Semantic Versioning](https://semver.org/).
 
 ## Copyright and License
 
-This software is Copyright (c) 2018 - 2025 by MaxMind, Inc.
+This software is Copyright (c) 2018 - 2026 by MaxMind, Inc.
 
 This is free software, licensed under the [Apache License, Version
 2.0](LICENSE-APACHE) or the [MIT License](LICENSE-MIT), at your option.
diff --git a/maxmind-db.gemspec b/maxmind-db.gemspec
index fbab1ff..bb56eeb 100644
--- a/maxmind-db.gemspec
+++ b/maxmind-db.gemspec
@@ -8,7 +8,7 @@ Gem::Specification.new do |s|
   s.files       = IO.popen(%w[git ls-files -z], chdir: __dir__, err: IO::NULL, &:read).split("\x0").difference(excluded)
   s.name        = 'maxmind-db'
   s.summary     = 'A gem for reading MaxMind DB files.'
-  s.version     = '1.4.0'
+  s.version     = '1.5.0'
 
   s.description = 'A gem for reading MaxMind DB files. MaxMind DB is a binary file format that stores data indexed by IP address subnets (IPv4 or IPv6).'
   s.email       = 'support@maxmind.com'