diff --git a/lua/nvim-treesitter/parsers.lua b/lua/nvim-treesitter/parsers.lua
index 344da013..ed9aa327 100644
--- a/lua/nvim-treesitter/parsers.lua
+++ b/lua/nvim-treesitter/parsers.lua
@@ -166,7 +166,7 @@ return {
   },
   c3 = {
     install_info = {
-      revision = '2c04e7858d63497152d42f08d3067972618aeedc',
+      revision = '7ef54adef1008ce7d943c2cca03aee93a79b2252',
       url = 'https://github.com/c3lang/tree-sitter-c3',
     },
     maintainers = { '@cbuttner' },
diff --git a/runtime/queries/c3/highlights.scm b/runtime/queries/c3/highlights.scm
index 1f02496b..f2aa46de 100644
--- a/runtime/queries/c3/highlights.scm
+++ b/runtime/queries/c3/highlights.scm
@@ -106,6 +106,7 @@
   "$if"
   "$include"
   "$is_const"
+  "$kindof"
   "$nameof"
   "$offsetof"
   "$qnameof"
@@ -218,6 +219,8 @@
   "&&&"
   "+++"
   "|||"
+  "???"
+  "+++="
 ] @operator
 
 (range_expr
@@ -232,6 +235,7 @@
 (ternary_expr
   [
     "?"
+    "???"
     ":"
   ] @keyword.conditional.ternary)
 
@@ -268,8 +272,8 @@
     (#any-of? @variable.builtin
       "alignof" "associated" "elements" "extnameof" "from_ordinal" "get" "inf" "is_eq" "is_ordered"
       "is_substruct" "len" "lookup" "lookup_field" "max" "membersof" "methodsof" "min" "nan" "inner"
-      "kindof" "names" "nameof" "params" "paramsof" "parentof" "qnameof" "returns" "sizeof" "tagof"
-      "has_tagof" "values" "typeid")))
+      "kindof" "names" "nameof" "params" "paramsof" "parentof" "qnameof" "returns" "sizeof" "set"
+      "tagof" "has_tagof" "values" "typeid")))
 
 ; Label
 [
@@ -285,7 +289,7 @@
   (path_ident
     (ident) @module))
 
-(import_declaration
+(import_path
   (path_ident
     (ident) @module))
 
@@ -298,6 +302,9 @@
 (call_inline_attributes
   (at_ident) @attribute)
 
+(type_suffix
+  (at_ident) @attribute)
+
 (asm_block_stmt
   (at_ident) @attribute)