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 2c1fbf47e988..876fd5d7fb3e 100644
--- a/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
+++ b/pkgs/development/tools/parsing/tree-sitter/grammars/grammar-sources.nix
@@ -390,9 +390,9 @@
   };
 
   hcl = {
-    version = "1.1.0";
+    version = "1.2.0";
     url = "github:tree-sitter-grammars/tree-sitter-hcl";
-    hash = "sha256-saVKSYUJY7OuIuNm9EpQnhFO/vQGKxCXuv3EKYOJzfs=";
+    hash = "sha256-Kq0KtkF6xtZcN2s8KzYGyguJH2iOTlA2WRytZ+KGTUE=";
     meta = {
       license = lib.licenses.asl20;
     };