diff --git a/pkgs/applications/editors/emacs/elisp-packages/header-file-mode/default.nix b/pkgs/applications/editors/emacs/elisp-packages/header-file-mode/default.nix
index 139bddffa87a..df3b2a56519e 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/header-file-mode/default.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/header-file-mode/default.nix
@@ -5,19 +5,23 @@
 
 trivialBuild {
   pname = "header-file-mode";
-  version = "unstable-2022-05-13";
+  version = "unstable-2022-05-25";
 
   src = fetchFromGitHub {
     owner = "aidalgol";
     repo = "header-file-mode";
-    rev = "bcfd19a2c70030ebf5fa68e87aca4b3db8fad13e";
-    sha256 = "sha256-XMXOU+vWJ/0e0ny4Dz3DxWpdEfSNXGzm03sBke32Dwc=";
+    rev = "cf6ce33b436ae9631aece1cd30a459cb0f89d1cd";
+    sha256 = "sha256-+TDJubmBc0Hl+2ms58rnOf3hTaQE3ayrIpGWl4j39GQ=";
   };
 
   postUnpack = ''
     sourceRoot="$sourceRoot/lisp"
   '';
 
+  postBuild = ''
+    emacs -L . --batch -l package --eval '(package-generate-autoloads "header-file" ".")'
+  '';
+
   meta = {
     description = ''
       A major mode that, when associated with the .h file extension, will put