diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 47874e11..379ca835 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1,6 +1,7 @@
 name: build
 
 on:
+  workflow_dispatch:
   push:
   pull_request:
     branches:
diff --git a/queries/highlights.scm b/queries/highlights.scm
index ab970a03..b93a82fd 100644
--- a/queries/highlights.scm
+++ b/queries/highlights.scm
@@ -116,16 +116,24 @@
 ] @punctuation.delimiter
 
 [
-  "--"
   "-"
+  "--"
   "-="
-  "&&"
   "+"
   "++"
   "+="
+  "*"
+  "*="
+  "**"
+  "**="
+  "/"
+  "/="
+  "%"
+  "%="
   "<"
   "<="
   "<<"
+  "<<="
   "="
   "=="
   "==="
@@ -136,7 +144,22 @@
   ">"
   ">="
   ">>"
+  ">>="
+  ">>>"
+  ">>>="
+  "~"
+  "^"
+  "&"
+  "|"
+  "^="
+  "&="
+  "|="
+  "&&"
   "||"
+  "??"
+  "&&="
+  "||="
+  "??="
 ] @operator
 
 [