diff --git a/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix b/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
index b4639e67d8c9..05e89aa5401d 100644
--- a/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
@@ -421,9 +421,9 @@
   };
 
   nickel = {
-    version = "0.3.0";
-    url = "github:nickel-lang/tree-sitter-nickel?ref=0.3";
-    hash = "sha256-jL054OJj+1eXksNYOTTTFzZjwPqTFp06syC3TInN8rc=";
+    version = "0.5.0";
+    url = "github:nickel-lang/tree-sitter-nickel";
+    hash = "sha256-2la/9XxL2dN+rzTotgDXQFz9ktDXQ3Og9svX5Din2zo=";
   };
 
   nix = {