diff --git a/Cargo.toml b/Cargo.toml
index e362afb..31a9c13 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ name = "handlebars_concat"
 path = "src/lib.rs"
 
 [dependencies]
-handlebars = { version = "^4" }
+handlebars = { version = "^5" }
 serde_json = { version = "^1" }
 
 [badges]
diff --git a/src/lib.rs b/src/lib.rs
index 3aaa2de..8e166f7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -119,7 +119,7 @@ pub struct HandlebarsConcat;
 impl HelperDef for HandlebarsConcat {
     fn call<'reg: 'rc, 'rc>(
         &self,
-        h: &Helper<'reg, 'rc>,
+        h: &Helper<'rc>,
         r: &'reg Handlebars,
         _ctx: &'rc Context,
         _rc: &mut RenderContext<'reg, 'rc>,