diff --git a/M/ModelingToolkit/Versions.toml b/M/ModelingToolkit/Versions.toml
index 41cd73b5bf88171..81028733f24c32b 100644
--- a/M/ModelingToolkit/Versions.toml
+++ b/M/ModelingToolkit/Versions.toml
@@ -420,3 +420,6 @@ git-tree-sha1 = "bc752d84394b577e69529751accfab469cef0a24"
 
 ["5.15.0"]
 git-tree-sha1 = "6a67d4bd972631a6cd324686fbf3b4a28688c940"
+
+["5.15.1"]
+git-tree-sha1 = "a111a386bceb6ea1b0a16ce0cc1a729f6a309bed"