Index: upstream-ontologist/Cargo.toml
===================================================================
--- upstream-ontologist.orig/Cargo.toml
+++ upstream-ontologist/Cargo.toml
@@ -96,7 +96,7 @@ version = ">=0.5"
 optional = true
 
 [dependencies.mailparse]
-version = "0.15"
+version = "0.14"
 optional = true
 
 [dependencies.pyproject-toml]
