diff --git a/Cargo.toml b/Cargo.toml
index 2bbc443756df362913354b117a6e320ab24a4818..ce8de4c18857a9ccdbf21cf8f53820416d4c1aa5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,6 +30,7 @@ backtrace = "0.3"
 [dev-dependencies]
 test-generator = "0.3.0"
 crossbeam-utils = "0.7.0"
+lazy_static = "1.4.0"
 
 [lib]
 crate-type = ["cdylib"]