diff --git a/Cargo.lock b/Cargo.lock
index 118ff7a..8096bb3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -363,7 +363,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f29e4755b7b995046f510a7520c42b2fed58b77bd94d5a87a8eb43d2fd126da8"
 dependencies = [
  "cssparser",
- "html5ever",
+ "html5ever 0.26.0",
  "indexmap 1.9.3",
  "matches",
  "selectors",
diff --git a/htmlua-parser/src/render.rs b/htmlua-parser/src/render.rs
index 35c37f4..2e4ed87 100644
--- a/htmlua-parser/src/render.rs
+++ b/htmlua-parser/src/render.rs
@@ -146,7 +146,7 @@ pub fn process_syntax_highlighting(document: NodeRef) -> Result<NodeRef> {
     if !syntax_elements.is_empty() {
         // TODO: read from config
         let themes = PathBuf::from("/var/www/htmlua/themes");
-        ts.add_from_folder(themes)?;
+        let _ = ts.add_from_folder(themes);
     }
     for node in syntax_elements {
         let attrs = match node.as_node().as_element() {