diff --git a/pkgs/applications/editors/emacs-modes/dash/default.nix b/pkgs/applications/editors/emacs-modes/dash/default.nix
index c71860992da..09b03ccdba6 100644
--- a/pkgs/applications/editors/emacs-modes/dash/default.nix
+++ b/pkgs/applications/editors/emacs-modes/dash/default.nix
@@ -1,14 +1,14 @@
 {stdenv, fetchurl, emacs}:
 
 let
-  version = "2.11.0";
+  version = "2.12.1";
 in
 stdenv.mkDerivation {
   name = "emacs-dash-${version}";
 
   src = fetchurl {
     url = "https://github.com/magnars/dash.el/archive/${version}.tar.gz";
-    sha256 = "1piwcwilkxcbjxx832mhb7q3pz1fgwp203r581bpqcw6kd5x726q";
+    sha256 = "082jl7mp4x063bpj5ad2pc5125k0d6p7rb89gcj7ny3lma9h2ij1";
   };
 
   buildInputs = [ emacs ];