diff --git a/Cargo.toml b/Cargo.toml
index 0f7eac6..4f70983 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,6 @@
 [workspace]
 members = ["instant-distance", "instant-distance-py"]
+resolver = "2"
 
 [profile.bench]
 debug = true