diff --git a/pkgs/data/icons/numix-icon-theme-square/default.nix b/pkgs/data/icons/numix-icon-theme-square/default.nix
index 9befdd4e746..c767d6b4224 100644
--- a/pkgs/data/icons/numix-icon-theme-square/default.nix
+++ b/pkgs/data/icons/numix-icon-theme-square/default.nix
@@ -2,13 +2,13 @@
 
 stdenvNoCC.mkDerivation rec {
   pname = "numix-icon-theme-square";
-  version = "23.04.28";
+  version = "23.05.15";
 
   src = fetchFromGitHub {
     owner = "numixproject";
     repo = pname;
     rev = version;
-    sha256 = "sha256-YiuXSYRiFyRh+dlZAvVViYGI2M57z1QPRb3JleL57Go=";
+    sha256 = "sha256-tcEVwc3Ez0h9JwiHyYfMvdTfUaivy4sH3QJR9tP1LSk=";
   };
 
   nativeBuildInputs = [ gtk3 ];