Minimum version of conllu2korapxml

Change-Id: Ic6c33fb32b450608df53ea75c43bdc1e6719ea43
diff --git a/Changes b/Changes
index ed91c00..bd1d2fb 100755
--- a/Changes
+++ b/Changes
@@ -4,6 +4,7 @@
         - Added german translation for Cosmas-II. (hebasta)
         - Workaround for failing utf8 test in some
           environments (fixes #197). (diewald)
+        - Require at least conllu2korapxml v0.6.1. (diewald)
 
 0.49 2023-02-23
         - Introduce conllu2korapxml command via plugin. (diewald)