diff --git a/pkgs/servers/samba/4.x.nix b/pkgs/servers/samba/4.x.nix
index 1c7e1281fd75..9cc2b8ab20a7 100644
--- a/pkgs/servers/samba/4.x.nix
+++ b/pkgs/servers/samba/4.x.nix
@@ -42,11 +42,11 @@ with stdenv.lib;
 
 stdenv.mkDerivation rec {
   pname = "samba";
-  version = "4.12.14";
+  version = "4.12.15";
 
   src = fetchurl {
     url = "mirror://samba/pub/samba/stable/${pname}-${version}.tar.gz";
-    sha256 = "1009hs6nvmvcny3cvjaggx41fc65v95q404y0k7flpinwas8q3s4";
+    sha256 = "0ixvzq6i90a4hhj0x2ycb3qs3gim2p84y4k347v7dq665whr95pj";
   };
 
   outputs = [ "out" "dev" "man" ];