diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index d46f2a3effd4e..145652d8e32ed 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -3913,8 +3913,8 @@ let
         mktplcRef = {
           name = "code-spell-checker";
           publisher = "streetsidesoftware";
-          version = "3.0.1";
-          hash = "sha256-KeYE6/yO2n3RHPjnJOnOyHsz4XW81y9AbkSC/I975kQ=";
+          version = "4.0.0";
+          hash = "sha256-RUQQV+r1JNUuLxIRfi9IaOtpBubySNPL5a5Vy6bA+q4=";
         };
         meta = {
           changelog = "https://marketplace.visualstudio.com/items/streetsidesoftware.code-spell-checker/changelog";