diff --git a/vscode-client/CHANGELOG.md b/vscode-client/CHANGELOG.md
index 0e81c029c..e9e54c592 100644
--- a/vscode-client/CHANGELOG.md
+++ b/vscode-client/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Bash IDE
 
+## 1.43.0
+- Upgrade language server to 5.4.2 (treesitter upgrade).
+
 ## 1.42.0
 - Upgrade language server to 5.4.0 (format document capability).
 
diff --git a/vscode-client/package.json b/vscode-client/package.json
index 95d27277c..aa8eb1a3b 100644
--- a/vscode-client/package.json
+++ b/vscode-client/package.json
@@ -4,7 +4,7 @@
   "description": "A language server for Bash",
   "author": "Mads Hartmann",
   "license": "MIT",
-  "version": "1.42.0",
+  "version": "1.43.0",
   "publisher": "mads-hartmann",
   "repository": {
     "type": "git",
@@ -138,7 +138,7 @@
     "vscode:prepublish": "cd .. && pnpm compile"
   },
   "dependencies": {
-    "bash-language-server": "5.4.0",
+    "bash-language-server": "5.4.2",
     "vscode-languageclient": "8.1.0",
     "vscode-languageserver": "8.0.2"
   },
diff --git a/vscode-client/pnpm-lock.yaml b/vscode-client/pnpm-lock.yaml
index 15d49e5b3..83e74e94f 100644
--- a/vscode-client/pnpm-lock.yaml
+++ b/vscode-client/pnpm-lock.yaml
@@ -9,8 +9,8 @@ importers:
   .:
     dependencies:
       bash-language-server:
-        specifier: 5.4.0
-        version: 5.4.0
+        specifier: 5.4.2
+        version: 5.4.2
       vscode-languageclient:
         specifier: 8.1.0
         version: 8.1.0
@@ -45,8 +45,8 @@ packages:
   balanced-match@1.0.2:
     resolution: {integrity: sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==}
 
-  bash-language-server@5.4.0:
-    resolution: {integrity: sha512-YLCIBjnwdxvlwlurTA4Be7UfPXDzaWCJKzJwzO8rVjJH0QlbhPvo3FXkYOBXPLg81G4hb0ZbhSAi4+yrs7j5cQ==}
+  bash-language-server@5.4.2:
+    resolution: {integrity: sha512-3N2INRlio63A5CwvDz2sZEWFp46H3sm7OD2IU/kr8MSYKAIRt/xD23arT7daJfYKLC+I6ijWsvaFs9tP6Bo00Q==}
     engines: {node: '>=16'}
     hasBin: true
 
@@ -175,8 +175,8 @@ packages:
   vscode-languageserver-protocol@3.17.3:
     resolution: {integrity: sha512-924/h0AqsMtA5yK22GgMtCYiMdCOtWTSGgUOkgEDX+wk2b0x4sAfLiO4NxBxqbiVtz7K7/1/RgVrVI0NClZwqA==}
 
-  vscode-languageserver-textdocument@1.0.11:
-    resolution: {integrity: sha512-X+8T3GoiwTVlJbicx/sIAF+yuJAqz8VvwJyoMVhwEMoEKE/fkDmrqUgDMyBECcM2A2frVZIUj5HI/ErRXCfOeA==}
+  vscode-languageserver-textdocument@1.0.12:
+    resolution: {integrity: sha512-cxWNPesCnQCcMPeenjKKsOCKQZ/L6Tv19DTRIGuLWe32lyzWhihGVJ/rcckZXJxfdKCFvRLS3fpBIsV/ZGX4zA==}
 
   vscode-languageserver-types@3.17.2:
     resolution: {integrity: sha512-zHhCWatviizPIq9B7Vh9uvrH6x3sK8itC84HkamnBWoDFJtzBf7SWlpLCZUit72b3os45h6RWQNC9xHRDF8dRA==}
@@ -188,8 +188,8 @@ packages:
     resolution: {integrity: sha512-bpEt2ggPxKzsAOZlXmCJ50bV7VrxwCS5BI4+egUmure/oI/t4OlFzi/YNtVvY24A2UDOZAgwFGgnZPwqSJubkA==}
     hasBin: true
 
-  web-tree-sitter@0.22.5:
-    resolution: {integrity: sha512-rGX2jRXjcGOhf35zWyO0i/+Wjz4/KVUYN9Oh3AhDsZ0fGOgTIkw/bMhqwvc8L7HgMK8rqDq9RcROWc7lnsnhWg==}
+  web-tree-sitter@0.23.0:
+    resolution: {integrity: sha512-p1T+ju2H30fpVX2q5yr+Wv/NfdMMWMjQp9Q+4eEPrHAJpPFh9DPfI2Yr9L1f5SA5KPE+g1cNUqPbpihxUDzmVw==}
 
   webidl-conversions@3.0.1:
     resolution: {integrity: sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==}
@@ -223,7 +223,7 @@ snapshots:
 
   balanced-match@1.0.2: {}
 
-  bash-language-server@5.4.0:
+  bash-language-server@5.4.2:
     dependencies:
       editorconfig: 2.0.0
       fast-glob: 3.3.2
@@ -231,8 +231,8 @@ snapshots:
       node-fetch: 2.7.0
       turndown: 7.1.3
       vscode-languageserver: 8.0.2
-      vscode-languageserver-textdocument: 1.0.11
-      web-tree-sitter: 0.22.5
+      vscode-languageserver-textdocument: 1.0.12
+      web-tree-sitter: 0.23.0
       zod: 3.22.4
     transitivePeerDependencies:
       - encoding
@@ -353,7 +353,7 @@ snapshots:
       vscode-jsonrpc: 8.1.0
       vscode-languageserver-types: 3.17.3
 
-  vscode-languageserver-textdocument@1.0.11: {}
+  vscode-languageserver-textdocument@1.0.12: {}
 
   vscode-languageserver-types@3.17.2: {}
 
@@ -363,7 +363,7 @@ snapshots:
     dependencies:
       vscode-languageserver-protocol: 3.17.2
 
-  web-tree-sitter@0.22.5: {}
+  web-tree-sitter@0.23.0: {}
 
   webidl-conversions@3.0.1: {}