diff --git a/Cargo.toml b/Cargo.toml
index e1c48022..810d41e7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,6 +4,8 @@ members = [
     "rash_derive",
     "mdbook_rash",
 ]
+resolver = "2"
+
 
 [workspace.package]
 version = "1.8.6"