diff --git a/S/SteadyStateDiffEq/Versions.toml b/S/SteadyStateDiffEq/Versions.toml
index 5d0424f8f93543a..ac3d4f025497ff2 100644
--- a/S/SteadyStateDiffEq/Versions.toml
+++ b/S/SteadyStateDiffEq/Versions.toml
@@ -30,3 +30,6 @@ git-tree-sha1 = "2de51f0cae090982b3c9da88601c0e7ccb5ff2b6"
 
 ["1.6.3"]
 git-tree-sha1 = "607e10d61ffb90a7b0546bdd3a660bbcbb16c4cb"
+
+["1.6.4"]
+git-tree-sha1 = "3df66a4a9ba477bea5cb10a3ec732bb48a2fc27d"