diff --git a/pkgs/tools/misc/tmux/default.nix b/pkgs/tools/misc/tmux/default.nix
index 29c659ff819..7fa33ed82f2 100644
--- a/pkgs/tools/misc/tmux/default.nix
+++ b/pkgs/tools/misc/tmux/default.nix
@@ -21,7 +21,7 @@ in
 
 stdenv.mkDerivation rec {
   pname = "tmux";
-  version = "3.1b";
+  version = "3.1c";
 
   outputs = [ "out" "man" ];
 
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
     owner = "tmux";
     repo = "tmux";
     rev = version;
-    sha256 = "0jvyq4r691bn0wsr8i6c0q0lzss25vm9nx8sv3fhw9cs63ncq04y";
+    sha256 = "1fqgpzfas85dn0sxlvvg6rj488jwgnxs8d3gqcm8lgs211m9qhcf";
   };
 
   nativeBuildInputs = [
@@ -55,7 +55,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    homepage = "http://tmux.github.io/";
+    homepage = "https://tmux.github.io/";
     description = "Terminal multiplexer";
 
     longDescription =