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 706ab7544351..eb0dfd430f97 100644
--- a/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
@@ -1092,7 +1092,7 @@
   };
 
   turtle = {
-    version = "0-unstable-2024-07-02";
+    version = "0.1.0-unstable-2024-07-02";
     url = "github:GordianDziwis/tree-sitter-turtle/7f789ea7ef765080f71a298fc96b7c957fa24422";
     hash = "sha256-z6f73euFAG9du5owz7V9WLbWK81Jg0DwxN1metKPbTA=";
     meta = {