diff --git a/lax/Cargo.toml b/lax/Cargo.toml
index a36c34ab..26a6f35e 100644
--- a/lax/Cargo.toml
+++ b/lax/Cargo.toml
@@ -33,6 +33,7 @@ thiserror = "1.0.24"
 cauchy = "0.4.0"
 num-traits = "0.2.14"
 lapack-sys = "0.14.0"
+katexit = "0.1.2"
 
 [dependencies.intel-mkl-src]
 version = "0.7.0"