Index: varcon-core/Cargo.toml
===================================================================
--- varcon-core.orig/Cargo.toml
+++ varcon-core/Cargo.toml
@@ -53,7 +53,7 @@ version = "0.7"
 optional = true
 
 [dependencies.winnow]
-version = "1.0.0"
+version = ">=0.7,<2"
 optional = true
 
 [dev-dependencies.snapbox]
