diff --git a/TODO b/TODO
index 042af6a7..53771592 100644
--- a/TODO
+++ b/TODO
@@ -4,3 +4,7 @@
 * The included test suite covers almost all the Redis server commands, but a 
   full battery of tests targeting specific functions of this library is still 
   missing.
+
+* Missing tests for new commands: 
+    ZSets   : ZREVRANK, ZREMBYRANK, ZUNION, ZINTER
+    Hashes  : HSET, HGET