diff --git a/packages/language-shellscript/grammars/modern-tree-sitter-bash.cson b/packages/language-shellscript/grammars/modern-tree-sitter-bash.cson
index 965f0c5fe..d82927921 100644
--- a/packages/language-shellscript/grammars/modern-tree-sitter-bash.cson
+++ b/packages/language-shellscript/grammars/modern-tree-sitter-bash.cson
@@ -41,9 +41,7 @@ firstLineRegex: [
 injectionRegex: '(^(bash|BASH)$|sh^|SH^)'
 
 treeSitter:
-  # Grammar generated on 2023-09-22 from commit:
-  # fd4e40dab883d6456da4d847de8321aee9c80805
-  parserSource: 'github:tree-sitter/tree-sitter-bash#fd4e40dab883d6456da4d847de8321aee9c80805'
+  parserSource: 'github:tree-sitter/tree-sitter-bash#8df9ea875d557a150d025d3a15b6e6a58624379a'
   grammar: 'tree-sitter/tree-sitter-bash.wasm'
   highlightsQuery: 'tree-sitter/highlights.scm'
   tagsQuery: 'tree-sitter/tags.scm'
diff --git a/packages/language-shellscript/grammars/tree-sitter/tree-sitter-bash.wasm b/packages/language-shellscript/grammars/tree-sitter/tree-sitter-bash.wasm
index 769cc6154..f35c307b5 100755
Binary files a/packages/language-shellscript/grammars/tree-sitter/tree-sitter-bash.wasm and b/packages/language-shellscript/grammars/tree-sitter/tree-sitter-bash.wasm differ