diff --git a/tools/mdcheck/lib/sdss-mdcheck-1.0.jar b/tools/mdcheck/lib/sdss-mdcheck-1.0.jar deleted file mode 100644 index b8b7c0a8..00000000 Binary files a/tools/mdcheck/lib/sdss-mdcheck-1.0.jar and /dev/null differ diff --git a/tools/mdcheck/lib/sdss-mdcheck-1.1.jar b/tools/mdcheck/lib/sdss-mdcheck-1.1.jar new file mode 100644 index 00000000..470ce9c6 Binary files /dev/null and b/tools/mdcheck/lib/sdss-mdcheck-1.1.jar differ