diff --git a/S/StanVariational/Versions.toml b/S/StanVariational/Versions.toml
index c2e809cc85df736..c497ea0e0aee702 100644
--- a/S/StanVariational/Versions.toml
+++ b/S/StanVariational/Versions.toml
@@ -144,3 +144,6 @@ git-tree-sha1 = "1ac41fd8676e2eae89956800050413c49fcb01de"
 
 ["4.3.0"]
 git-tree-sha1 = "012a74d517795460f3b66ff7151e41a0d8f5e764"
+
+["4.3.1"]
+git-tree-sha1 = "63cc3ecfcd2a8ad600c8dadd6352974d472bbcdd"