diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/copilot/package.nix b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/copilot/package.nix
index 2225dff0872d..86109b57a2ac 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/copilot/package.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/copilot/package.nix
@@ -4,23 +4,44 @@
   editorconfig,
   f,
   fetchFromGitHub,
+  replaceVars,
   nodejs,
   s,
   melpaBuild,
+  copilot-node-server,
 }:
+let
+  # The Emacs package isn't compatible with the latest
+  # copilot-node-server so we have to set a specific revision
+  # https://github.com/copilot-emacs/copilot.el/issues/344
+  pinned-copilot-node-server = copilot-node-server.overrideAttrs (old: rec {
+    version = "1.27.0";
+    src = fetchFromGitHub {
+      owner = "jfcherng";
+      repo = "copilot-node-server";
+      rev = version;
+      hash = "sha256-Ds2agoO7LBXI2M1dwvifQyYJ3F9fm9eV2Kmm7WITgyo=";
+    };
+  });
+in
 melpaBuild {
   pname = "copilot";
-  version = "0-unstable-2024-05-01";
+  version = "0-unstable-2024-12-28";
 
   src = fetchFromGitHub {
     owner = "copilot-emacs";
     repo = "copilot.el";
-    rev = "733bff26450255e092c10873580e9abfed8a81b8";
-    sha256 = "sha256-Knp36PtgA73gtYO+W1clQfr570bKCxTFsGW3/iH86A0=";
+    rev = "c5dfa99f05878db5e6a6a378dc7ed09f11e803d4";
+    sha256 = "sha256-FzI08AW7a7AleEM7kSQ8LsWsDYID8SW1SmSN6/mIB/A=";
   };
 
   files = ''(:defaults "dist")'';
 
+  patches = [
+    (replaceVars ./specify-copilot-install-dir.patch {
+      copilot-node-server = pinned-copilot-node-server;
+    })
+  ];
   packageRequires = [
     dash
     editorconfig
diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/copilot/specify-copilot-install-dir.patch b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/copilot/specify-copilot-install-dir.patch
new file mode 100644
index 000000000000..c10f19133cac
--- /dev/null
+++ b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/copilot/specify-copilot-install-dir.patch
@@ -0,0 +1,14 @@
+diff --git a/copilot.el b/copilot.el
+index f1f5e51..ddf2b5b 100644
+--- a/copilot.el
++++ b/copilot.el
+@@ -132,8 +132,7 @@ (defcustom copilot-indentation-alist
+ (defconst copilot-server-package-name "copilot-node-server"
+   "The name of the package to install copilot server.")
+ 
+-(defcustom copilot-install-dir (expand-file-name
+-                                (locate-user-emacs-file (f-join ".cache" "copilot")))
++(defcustom copilot-install-dir "@copilot-node-server@"
+   "Directory in which the servers will be installed."
+   :risky t
+   :type 'directory