diff --git a/S/SpecialFunctions/Versions.toml b/S/SpecialFunctions/Versions.toml
index 9204cb168b3d71c..889c44eef4fcd66 100644
--- a/S/SpecialFunctions/Versions.toml
+++ b/S/SpecialFunctions/Versions.toml
@@ -126,3 +126,6 @@ git-tree-sha1 = "ef28127915f4229c971eb43f3fc075dd3fe91880"
 
 ["2.3.0"]
 git-tree-sha1 = "7beb031cf8145577fbccacd94b8a8f4ce78428d3"
+
+["2.3.1"]
+git-tree-sha1 = "e2cfc4012a19088254b3950b85c3c1d8882d864d"