diff --git a/pkgs/development/libraries/freetds/default.nix b/pkgs/development/libraries/freetds/default.nix
index bc6d6a583ea0..226cc1ebd349 100644
--- a/pkgs/development/libraries/freetds/default.nix
+++ b/pkgs/development/libraries/freetds/default.nix
@@ -8,11 +8,11 @@ assert odbcSupport -> unixODBC != null;
 
 stdenv.mkDerivation rec {
   pname = "freetds";
-  version = "1.4.11";
+  version = "1.4.15";
 
   src = fetchurl {
     url    = "https://www.freetds.org/files/stable/${pname}-${version}.tar.bz2";
-    hash   = "sha256-Vn986RPyIhkd2n4cIh1eJyo4cVL+9srL2Xdn/qaLYT4=";
+    hash   = "sha256-32GhThVaLjIkCfHAaPWtZjZJ8Cmk7LM6KEHxVSYIrEg=";
   };
 
   buildInputs = [