diff --git a/scripts/update-ts-runtime.sh b/scripts/update-ts-runtime.sh
index c75c5d2a39..1a947e0ac9 100755
--- a/scripts/update-ts-runtime.sh
+++ b/scripts/update-ts-runtime.sh
@@ -19,6 +19,7 @@ if [ ! -d "$ts_source_dir" ]; then
   git clone "$ts_url" "$ts_source_dir"
 else
   echo "Found a non-empty $ts_source_dir directory..."
+  git -C "$ts_source_dir" fetch
 fi
 
 echo "Checking out $1..."
diff --git a/src/tree_sitter/alloc.h b/src/tree_sitter/alloc.h
index 2229995bd1..d3c6b5eca8 100644
--- a/src/tree_sitter/alloc.h
+++ b/src/tree_sitter/alloc.h
@@ -51,6 +51,7 @@ static inline void ts_free(void *buffer) {
 #include <stdlib.h>
 
 static inline bool ts_toggle_allocation_recording(bool value) {
+  (void)value;
   return false;
 }
 
diff --git a/src/tree_sitter/parser.c b/src/tree_sitter/parser.c
index 19add152f1..dd222cd3c4 100644
--- a/src/tree_sitter/parser.c
+++ b/src/tree_sitter/parser.c
@@ -101,9 +101,10 @@ typedef struct {
 static const char *ts_string_input_read(
   void *_self,
   uint32_t byte,
-  TSPoint _,
+  TSPoint pt,
   uint32_t *length
 ) {
+  (void)pt;
   TSStringInput *self = (TSStringInput *)_self;
   if (byte >= self->length) {
     *length = 0;
@@ -210,6 +211,7 @@ static ErrorComparison ts_parser__compare_versions(
   ErrorStatus a,
   ErrorStatus b
 ) {
+  (void)self;
   if (!a.is_in_error && b.is_in_error) {
     if (a.cost < b.cost) {
       return ErrorComparisonTakeLeft;
diff --git a/src/tree_sitter/query.c b/src/tree_sitter/query.c
index 1ffc5ad6e2..59902dee3b 100644
--- a/src/tree_sitter/query.c
+++ b/src/tree_sitter/query.c
@@ -1267,7 +1267,7 @@ void ts_query_disable_pattern(
  * QueryCursor
  ***************/
 
-TSQueryCursor *ts_query_cursor_new() {
+TSQueryCursor *ts_query_cursor_new(void) {
   TSQueryCursor *self = ts_malloc(sizeof(TSQueryCursor));
   *self = (TSQueryCursor) {
     .ascending = false,
diff --git a/src/tree_sitter/stack.c b/src/tree_sitter/stack.c
index ade1577566..6ceee2577f 100644
--- a/src/tree_sitter/stack.c
+++ b/src/tree_sitter/stack.c
@@ -480,6 +480,7 @@ StackSliceArray ts_stack_pop_count(Stack *self, StackVersion version, uint32_t c
 }
 
 inline StackAction pop_pending_callback(void *payload, const StackIterator *iterator) {
+  (void)payload;
   if (iterator->subtree_count >= 1) {
     if (iterator->is_pending) {
       return StackActionPop | StackActionStop;
@@ -532,6 +533,7 @@ SubtreeArray ts_stack_pop_error(Stack *self, StackVersion version) {
 }
 
 inline StackAction pop_all_callback(void *payload, const StackIterator *iterator) {
+  (void)payload;
   return iterator->node->link_count == 0 ? StackActionPop : StackActionNone;
 }
 
diff --git a/src/tree_sitter/treesitter_commit_hash.txt b/src/tree_sitter/treesitter_commit_hash.txt
index 3053a9ca25..bd7fcfbe76 100644
--- a/src/tree_sitter/treesitter_commit_hash.txt
+++ b/src/tree_sitter/treesitter_commit_hash.txt
@@ -1 +1 @@
-9a82dcc666d06617cbab3061467075019fae0b0d
+81d533d2d1b580fdb507accabc91ceddffb5b6f0