diff --git a/HISTORY.md b/HISTORY.md
index 8536a0e..46e1b74 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,12 @@
 # Sanitize History
 
+## 4.6.1 (2018-03-15)
+
+* Added support for frozen string literals in Ruby 2.4+.
+  [@flavorjones - #174][174]
+
+[174]:https://github.com/rgrove/sanitize/pull/174
+
 ## 4.6.0 (2018-01-29)
 
 * Loosened the Nokogumbo dependency to allow installing semver-compatible
diff --git a/lib/sanitize/version.rb b/lib/sanitize/version.rb
index 849b38a..4b912ef 100644
--- a/lib/sanitize/version.rb
+++ b/lib/sanitize/version.rb
@@ -1,5 +1,5 @@
 # encoding: utf-8
 
 class Sanitize
-  VERSION = '4.6.0'
+  VERSION = '4.6.1'
 end