diff --git a/CHANGELOG.md b/CHANGELOG.md
index e331223..9c34eee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Unreleased
 
+# 3.1.1
+
+* fix: Crash on invalid URLs in some configurations ([issue #136](https://github.com/rust-ammonia/ammonia/issues/136))
+
 # 3.1.0
 
 * feature: Whitelist generic attribute prefix
diff --git a/Cargo.toml b/Cargo.toml
index 5ce3524..ef270d9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ammonia"
-version = "3.1.0"
+version = "3.1.1"
 authors = ["Michael Howell <michael@notriddle.com>"]
 description = "HTML Sanitization"
 keywords = [ "sanitization", "html", "security", "xss" ]