diff --git a/CHANGELOG.md b/CHANGELOG.md
index 375935c9..b05bf87e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@
 
 - Associate `os-release` with `bash` syntax, see #2587 (@cyqsimon)
 - Associate `Containerfile` with `Dockerfile` syntax, see #2606 (@einfachIrgendwer0815)
+- Associate `ksh` files with `bash` syntax, see #2633 (@johnmatthiggins)
 
 ## Themes
 
diff --git a/src/syntax_mapping.rs b/src/syntax_mapping.rs
index e18b5642..cc69f927 100644
--- a/src/syntax_mapping.rs
+++ b/src/syntax_mapping.rs
@@ -90,6 +90,10 @@ impl<'a> SyntaxMapping<'a> {
             .insert("Containerfile", MappingTarget::MapTo("Dockerfile"))
             .unwrap();
 
+        mapping
+            .insert("*.ksh", MappingTarget::MapTo("Bourne Again Shell (bash)"))
+            .unwrap();
+
         // Nginx and Apache syntax files both want to style all ".conf" files
         // see #1131 and #1137
         mapping