diff --git a/Cargo.toml b/Cargo.toml
index 8896988f..8c70b9b3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,4 +1,5 @@
 [workspace]
+resolver = "2"
 members = [
     "fluent-syntax",
     "fluent-bundle",