diff --git a/languages.toml b/languages.toml
index d58185e15..594498f02 100644
--- a/languages.toml
+++ b/languages.toml
@@ -1502,7 +1502,7 @@ language-servers = [ "swipl" ]
 
 [[grammar]]
 name = "prolog"
-source = { git = "https://codeberg.org/foxy/tree-sitter-prolog", subpath = "grammars/prolog", rev = "93c69d2f84d8a167c0a3f4a8d51ccefe365a4dc8" }
+source = { git = "https://codeberg.org/foxy/tree-sitter-prolog", subpath = "grammars/prolog", rev = "d8d415f6a1cf80ca138524bcc395810b176d40fa" }
 
 [[language]]
 name = "tsq"
diff --git a/runtime/queries/prolog/highlights.scm b/runtime/queries/prolog/highlights.scm
index ec59d8034..e63f47302 100644
--- a/runtime/queries/prolog/highlights.scm
+++ b/runtime/queries/prolog/highlights.scm
@@ -3,10 +3,7 @@
 (atom) @constant
 
 ((atom) @constant.builtin.boolean
-  (#eq? @constant.builtin.boolean "true"))
-
-((atom) @constant.builtin.boolean
-  (#eq? @constant.builtin.boolean "false"))
+  (#any-of? @constant.builtin.boolean "true" "false"))
 
 (functional_notation
   function: (atom) @function)