diff --git a/C/ClimaUtilities/Versions.toml b/C/ClimaUtilities/Versions.toml
index 50d6ee487a07928..1dc9efa19db3225 100644
--- a/C/ClimaUtilities/Versions.toml
+++ b/C/ClimaUtilities/Versions.toml
@@ -60,3 +60,6 @@ git-tree-sha1 = "ae6e4d3223ecb29d3f3d9c5f82b622bae12f3bff"
 
 ["0.1.20"]
 git-tree-sha1 = "cd699551a7c9f721363bbf92b2c61c436b1a3959"
+
+["0.1.21"]
+git-tree-sha1 = "ab44b3d5335c1a36fc9f21560a06bff373caca42"