diff --git a/pkgs/applications/editors/emacs-modes/elpa-generated.nix b/pkgs/applications/editors/emacs-modes/elpa-generated.nix
index bfbddb6fc37..9d4fb66f732 100644
--- a/pkgs/applications/editors/emacs-modes/elpa-generated.nix
+++ b/pkgs/applications/editors/emacs-modes/elpa-generated.nix
@@ -3236,10 +3236,10 @@
       elpaBuild {
         pname = "undo-tree";
         ename = "undo-tree";
-        version = "0.7";
+        version = "0.7.2";
         src = fetchurl {
-          url = "https://elpa.gnu.org/packages/undo-tree-0.7.el";
-          sha256 = "0mc5spiqx20z8vh8b24dp9hqj27h5bm5wqk0ga7c6s6mp69r72h4";
+          url = "https://elpa.gnu.org/packages/undo-tree-0.7.2.el";
+          sha256 = "0gdqh5rkgwlancbjx5whgl5gqkdipdkspkl2bqmrq70sgg5ahrcc";
         };
         packageRequires = [];
         meta = {
@@ -3734,4 +3734,4 @@
           license = lib.licenses.free;
         };
       }) {};
-  }
\ No newline at end of file
+  }
diff --git a/pkgs/applications/editors/emacs-modes/melpa-packages.nix b/pkgs/applications/editors/emacs-modes/melpa-packages.nix
index e15da80b3b1..5c9456b76a6 100644
--- a/pkgs/applications/editors/emacs-modes/melpa-packages.nix
+++ b/pkgs/applications/editors/emacs-modes/melpa-packages.nix
@@ -111,6 +111,11 @@ env NIXPKGS_ALLOW_BROKEN=1 nix-instantiate --show-trace ../../../../ -A emacsPac
 
         flycheck-rtags = fix-rtags super.flycheck-rtags;
 
+        gnuplot = super.gnuplot.overrideAttrs (old: {
+          nativeBuildInputs =
+            (old.nativeBuildInputs or []) ++ [ pkgs.autoreconfHook ];
+        });
+
         pdf-tools = super.pdf-tools.overrideAttrs(old: {
           nativeBuildInputs = [ external.pkgconfig ];
           buildInputs = with external; old.buildInputs ++ [ autoconf automake libpng zlib poppler ];