Incrementing snapshot version to 1.2.1-SNAPSHOT.
diff --git a/.parquetcppversion b/.parquetcppversion
index bc5594a..e920547 100644
--- a/.parquetcppversion
+++ b/.parquetcppversion
@@ -1 +1 @@
-1.1.1-SNAPSHOT
+1.2.1-SNAPSHOT