diff --git a/pkgs/servers/sql/mssql/jdbc/default.nix b/pkgs/servers/sql/mssql/jdbc/default.nix
index 2cafd510c51d..f408ec022160 100644
--- a/pkgs/servers/sql/mssql/jdbc/default.nix
+++ b/pkgs/servers/sql/mssql/jdbc/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "mssql-jdbc";
-  version = "12.6.2";
+  version = "12.6.3";
 
   src = fetchurl {
     url = "https://github.com/Microsoft/mssql-jdbc/releases/download/v${version}/mssql-jdbc-${version}.jre8.jar";
-    sha256 = "sha256-PR6oWlbCLPtVUMspw+DrQ8VhjXu4Mgqlpx9kSKds7S0=";
+    sha256 = "sha256-Q5XwJ3j6J06DjX2tIVM676tXvKSrBb0W6/EucHpyTI4=";
   };
 
   dontUnpack = true;