diff --git a/CHANGELOG.md b/CHANGELOG.md
index 43b0200b..44aa42c4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,7 @@
 - Added Lean syntax, see #1446 (@Julian)
 - Added `.resource` extension for Robot Framework files, see #1386
 - Added `gnuplot` syntax, see #1431 (@sharkdp)
+- Highlight *.pac (Proxy auto-config) files as JavaScript, see #1515 (@sharkdp)
 
 ## New themes
 
diff --git a/src/syntax_mapping.rs b/src/syntax_mapping.rs
index fd1e3ec4..da6e45c7 100644
--- a/src/syntax_mapping.rs
+++ b/src/syntax_mapping.rs
@@ -42,6 +42,9 @@ impl<'a> SyntaxMapping<'a> {
                 MappingTarget::MapTo("Bourne Again Shell (bash)"),
             )
             .unwrap();
+        mapping
+            .insert("*.pac", MappingTarget::MapTo("JavaScript (Babel)"))
+            .unwrap();
 
         // See #1008
         mapping