diff --git a/build/extlib/flattr4j/flattr4j-core-2.4.jar b/build/extlib/flattr4j/flattr4j-core-2.4.jar new file mode 100644 index 0000000000..dfe7f48460 Binary files /dev/null and b/build/extlib/flattr4j/flattr4j-core-2.4.jar differ