diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0657ecc44e..7471995323 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,7 +10,7 @@ Nokogiri follows [Semantic Versioning](https://semver.org/), please see the [REA
 
 * [CRuby] Vendored libxml2 is updated to [v2.13.3](https://gitlab.gnome.org/GNOME/libxml2/-/releases/v2.13.3). [#3230] @flavorjones
 * [CRuby] Vendored libxslt is updated to [v1.1.42](https://gitlab.gnome.org/GNOME/libxslt/-/releases/v1.1.42). [#3230] @flavorjones
-* [CRuby] Minimum supported version of libxml2 raised to v2.7.7 (released 2010-03-15) from v2.6.21. [#3232] @flavorjones
+* [CRuby] Minimum supported version of libxml2 raised to v2.9.2 (released 2014-10-16) from v2.6.21. [#3232, #3287] @flavorjones
 * [JRuby] Minimum supported versino of Java raised to 8 (released 2014-03-18) from 7. [#3134] @flavorjones 
 * [CRuby] Update to rake-compiler-dock v1.5.1 for building precompiled native gems. [#3216] @flavorjones
 
diff --git a/ext/nokogiri/extconf.rb b/ext/nokogiri/extconf.rb
index 1012480768..3f95c02f3a 100644
--- a/ext/nokogiri/extconf.rb
+++ b/ext/nokogiri/extconf.rb
@@ -12,8 +12,8 @@
 
 # helpful constants
 PACKAGE_ROOT_DIR = File.expand_path(File.join(File.dirname(__FILE__), "..", ".."))
-REQUIRED_LIBXML_VERSION = "2.7.7"
-RECOMMENDED_LIBXML_VERSION = "2.9.3"
+REQUIRED_LIBXML_VERSION = "2.9.2"
+RECOMMENDED_LIBXML_VERSION = "2.12.0"
 
 REQUIRED_MINI_PORTILE_VERSION = "~> 2.8.2" # keep this version in sync with the one in the gemspec
 REQUIRED_PKG_CONFIG_VERSION = "~> 1.1"