diff --git a/pkgs/tools/misc/tmux/default.nix b/pkgs/tools/misc/tmux/default.nix
index fcec511b7ef5..038b3206ac24 100644
--- a/pkgs/tools/misc/tmux/default.nix
+++ b/pkgs/tools/misc/tmux/default.nix
@@ -13,7 +13,7 @@ in
 
 stdenv.mkDerivation rec {
   name = "tmux-${version}";
-  version = "2.7";
+  version = "2.8";
 
   outputs = [ "out" "man" ];
 
@@ -21,9 +21,13 @@ stdenv.mkDerivation rec {
     owner = "tmux";
     repo = "tmux";
     rev = version;
-    sha256 = "1yr4l8ckd67c3id4vrbpha91xxpdfpw0cpbr3v81lam0m7k4rgba";
+    sha256 = "0n8sjddy00xgh1rvvw968hh72pyslg1gahmzajfc4b3xax87drpi";
   };
 
+  postPatch = ''
+    sed -i 's/2.8-rc/2.8/' configure.ac
+  '';
+
   nativeBuildInputs = [ pkgconfig autoreconfHook ];
 
   buildInputs = [ ncurses libevent makeWrapper ];