diff --git a/Cargo.toml b/Cargo.toml
index 7260ca1c..82586944 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,4 +1,5 @@
 [workspace]
+resolver = "2"
 members = [
   "core/lib/",
   "core/codegen/",
diff --git a/examples/Cargo.toml b/examples/Cargo.toml
index c4c7d4ce..c2ecd5fc 100644
--- a/examples/Cargo.toml
+++ b/examples/Cargo.toml
@@ -1,4 +1,5 @@
 [workspace]
+resolver = "2"
 members = [
   "config",
   "cookies",