-Set("UCW_VERSION" => "5.0-dev");
-Set("UCW_VERSION_CODE" => 5000000);
-Set("UCW_ABI_VERSION" => Get("UCW_VERSION_CODE") . ".0");
+Set("UCW_VERSION" => "6.0-dev");
+Set("UCW_VERSION_CODE" => 6000000);
+
+# Name of libraries in packages (libucw$UCW_ABI_SUFFIX.so.0.0, etc.)
+Set("UCW_ABI_SUFFIX" => "-6.0");