diff --git a/pkgs/by-name/in/inshellisense/package.nix b/pkgs/by-name/in/inshellisense/package.nix
index c535edbbd344..3ce3096982d6 100644
--- a/pkgs/by-name/in/inshellisense/package.nix
+++ b/pkgs/by-name/in/inshellisense/package.nix
@@ -3,6 +3,7 @@
   stdenv,
   buildNpmPackage,
   fetchFromGitHub,
+  nodejs_22,
   cacert,
 }:
 
@@ -17,6 +18,10 @@ buildNpmPackage rec {
     hash = "sha256-zERwrvioPwGm/351kYuK9S3uOrrzs/6OFPRdNSSr7Tc=";
   };
 
+  # Building against nodejs-24 is not yet supported by upstream.
+  # https://github.com/microsoft/inshellisense/issues/369
+  nodejs = nodejs_22;
+
   npmDepsHash = "sha256-iD5SvkVbrHh0Hx44y6VtNerwBA8K7vSe/yfvhgndMEw=";
 
   # Needed for dependency `@homebridge/node-pty-prebuilt-multiarch`