diff --git a/C/Chmy/Versions.toml b/C/Chmy/Versions.toml
index 6d92ef49f9a59c3..6e3534d3720407c 100644
--- a/C/Chmy/Versions.toml
+++ b/C/Chmy/Versions.toml
@@ -9,3 +9,6 @@ git-tree-sha1 = "f7b6660bda5eaf3c2b2d826372cd34dca2967e8e"
 
 ["0.1.20"]
 git-tree-sha1 = "0d007caeec9578bfc14035d45df2c0b8121bb6a8"
+
+["0.1.21"]
+git-tree-sha1 = "bc01329f6d18e200c50caf1949ab7c5deec6b3cf"