diff --git a/Cargo.lock b/Cargo.lock
index 2d00f31e3159a..da6e937c220a7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -45,15 +45,14 @@ dependencies = [
 
 [[package]]
 name = "ammonia"
-version = "3.1.0"
+version = "3.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89eac85170f4b3fb3dc5e442c1cfb036cb8eecf9dbbd431a161ffad15d90ea3b"
+checksum = "ea9f21d23d82bae9d33c21080572af1fa749788e68234b5d8fa5e39d3e0783ed"
 dependencies = [
  "html5ever",
  "lazy_static",
  "maplit",
  "markup5ever_rcdom",
- "matches",
  "tendril",
  "url 2.1.1",
 ]