diff --git a/languages.toml b/languages.toml
index 26cd76fd..7135b804 100644
--- a/languages.toml
+++ b/languages.toml
@@ -3785,7 +3785,7 @@ indent = { tab-width = 2, unit = "  " }
 
 [[grammar]]
 name = "hurl"
-source = { git = "https://github.com/pfeiferj/tree-sitter-hurl", rev = "1124058cd192e80d80914652a5850a5b1887cc10" }
+source = { git = "https://github.com/pfeiferj/tree-sitter-hurl", rev = "597efbd7ce9a814bb058f48eabd055b1d1e12145" }
 
 [[language]]
 name = "markdoc"
diff --git a/runtime/queries/hurl/highlights.scm b/runtime/queries/hurl/highlights.scm
index a141c41a..0dbadfd5 100644
--- a/runtime/queries/hurl/highlights.scm
+++ b/runtime/queries/hurl/highlights.scm
@@ -73,22 +73,13 @@
 (filter) @attribute
 
 (version) @string.special
-[
-  "null"
-  "cacert"
-  "compressed"
-  "location"
-  "insecure"
-  "path-as-is"
-  "proxy"
-  "max-redirs"
-  "retry"
-  "retry-interval"
-  "retry-max-count"
-  (variable_option "variable")
-  "verbose"
-  "very-verbose"
-] @constant.builtin
+"null" @constant.builtin
+
+; Option keys (location, max-time, retry, cert, user, … and the many added in
+; newer hurl): the grammar generalised per-option nodes into boolean/integer/
+; string/duration options with an `option_key` field — capture that field so
+; every option key is covered uniformly instead of listing each by name.
+(_ option_key: _ @constant.builtin)
 
 (boolean) @constant.builtin.boolean