diff --git a/crates/languages/src/c/highlights.scm b/crates/languages/src/c/highlights.scm
index 634f8d81c4ad93..ef15a4b3453630 100644
--- a/crates/languages/src/c/highlights.scm
+++ b/crates/languages/src/c/highlights.scm
@@ -102,8 +102,9 @@
 [
   (true)
   (false)
-  (null)
-] @constant
+] @boolean
+
+(null) @constant
 
 (identifier) @variable
 
diff --git a/crates/languages/src/cpp/highlights.scm b/crates/languages/src/cpp/highlights.scm
index 2df9ec2923be3d..2a8235de1fa33e 100644
--- a/crates/languages/src/cpp/highlights.scm
+++ b/crates/languages/src/cpp/highlights.scm
@@ -153,6 +153,9 @@ type :(primitive_type) @type.primitive
 [
   (true)
   (false)
+] @boolean
+
+[
   (null)
   ("nullptr")
 ] @constant
diff --git a/crates/languages/src/go/highlights.scm b/crates/languages/src/go/highlights.scm
index 609c49c13f53cf..7e594a5c1262c3 100644
--- a/crates/languages/src/go/highlights.scm
+++ b/crates/languages/src/go/highlights.scm
@@ -118,6 +118,9 @@
 [
   (true)
   (false)
+] @boolean
+
+[
   (nil)
   (iota)
 ] @constant.builtin
diff --git a/crates/languages/src/json/highlights.scm b/crates/languages/src/json/highlights.scm
index 8cf7a6d20dc6c7..c3186af264e4b6 100644
--- a/crates/languages/src/json/highlights.scm
+++ b/crates/languages/src/json/highlights.scm
@@ -11,6 +11,9 @@
 [
   (true)
   (false)
+] @boolean
+
+[
   (null)
 ] @constant
 
diff --git a/crates/languages/src/jsonc/highlights.scm b/crates/languages/src/jsonc/highlights.scm
index 8cf7a6d20dc6c7..c3186af264e4b6 100644
--- a/crates/languages/src/jsonc/highlights.scm
+++ b/crates/languages/src/jsonc/highlights.scm
@@ -11,6 +11,9 @@
 [
   (true)
   (false)
+] @boolean
+
+[
   (null)
 ] @constant
 
diff --git a/crates/languages/src/python/highlights.scm b/crates/languages/src/python/highlights.scm
index 0495f87716bd21..e3e38aafedf52a 100644
--- a/crates/languages/src/python/highlights.scm
+++ b/crates/languages/src/python/highlights.scm
@@ -95,9 +95,12 @@
 ; Literals
 
 [
-  (none)
   (true)
   (false)
+] @boolean
+
+[
+  (none)
   (ellipsis)
 ] @constant.builtin
 
diff --git a/crates/languages/src/rust/highlights.scm b/crates/languages/src/rust/highlights.scm
index d25b8a734719ba..bd5221f1e609ee 100644
--- a/crates/languages/src/rust/highlights.scm
+++ b/crates/languages/src/rust/highlights.scm
@@ -129,7 +129,7 @@
   (float_literal)
 ] @number
 
-(boolean_literal) @constant
+(boolean_literal) @boolean
 
 [
   (line_comment)