diff --git a/aider/queries/tree-sitter-hcl-tags.scm b/aider/queries/tree-sitter-hcl-tags.scm
new file mode 100644
index 000000000..c3a32380a
--- /dev/null
+++ b/aider/queries/tree-sitter-hcl-tags.scm
@@ -0,0 +1,75 @@
+;; tags.scm for Terraform (tree-sitter-hcl)
+
+; === Definitions: Terraform Blocks ===
+(block 
+  (identifier) @block_type
+  (string_lit (template_literal) @resource_type)
+  (string_lit (template_literal) @name.definition.resource)
+  (body) @definition.resource
+) (#eq? @block_type "resource")
+
+(block 
+  (identifier) @block_type
+  (string_lit (template_literal) @name.definition.module)
+  (body) @definition.module
+) (#eq? @block_type "module")
+
+(block 
+  (identifier) @block_type
+  (string_lit (template_literal) @name.definition.variable)
+  (body) @definition.variable
+) (#eq? @block_type "variable")
+
+(block 
+  (identifier) @block_type
+  (string_lit (template_literal) @name.definition.output)
+  (body) @definition.output
+) (#eq? @block_type "output")
+
+(block 
+  (identifier) @block_type
+  (string_lit (template_literal) @name.definition.provider)
+  (body) @definition.provider
+) (#eq? @block_type "provider")
+
+(block 
+  (identifier) @block_type
+  (body 
+    (attribute 
+       (identifier) @name.definition.local 
+       (expression) @definition.local
+    )+
+  )
+) (#eq? @block_type "locals")
+
+; === References: Variables, Locals, Modules, Data, Resources ===
+((variable_expr) @ref_type
+  (get_attr (identifier) @name.reference.variable)
+) @reference.variable
+ (#eq? @ref_type "var")
+
+((variable_expr) @ref_type
+  (get_attr (identifier) @name.reference.local)
+) @reference.local
+ (#eq? @ref_type "local")
+
+((variable_expr) @ref_type
+  (get_attr (identifier) @name.reference.module)
+) @reference.module
+ (#eq? @ref_type "module")
+
+((variable_expr) @ref_type
+  (get_attr (identifier) @data_source_type)
+  (get_attr (identifier) @name.reference.data)
+) @reference.data
+ (#eq? @ref_type "data")
+
+((variable_expr) @resource_type
+  (get_attr (identifier) @name.reference.resource)
+) @reference.resource
+ (#not-eq? @resource_type "var")
+ (#not-eq? @resource_type "local")
+ (#not-eq? @resource_type "module")
+ (#not-eq? @resource_type "data")
+ (#not-eq? @resource_type "provider")
+ (#not-eq? @resource_type "output")
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 40d97ad0b..e5c5196ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,7 +63,7 @@ gitdb==4.0.12
     # via gitpython
 gitpython==3.1.44
     # via -r requirements/requirements.in
-grep-ast==0.4.1
+grep-ast==0.5.0
     # via -r requirements/requirements.in
 h11==0.14.0
     # via httpcore