diff --git a/crates/lib/Cargo.toml b/crates/lib/Cargo.toml
index 4b133244..01d281a3 100644
--- a/crates/lib/Cargo.toml
+++ b/crates/lib/Cargo.toml
@@ -50,7 +50,7 @@ async-trait = "0.1.73"
 libquil-sys = { version = "0.4.0", optional = true }
 
 [dev-dependencies]
-erased-serde = "0.3.23"
+erased-serde = "0.3.23, ||, ^0"
 float-cmp = "0.9.0"
 hex = "0.4.3"
 maplit = "1.0.2"