diff --git a/lax/Cargo.toml b/lax/Cargo.toml
index 2f095ea8..8d7540e3 100644
--- a/lax/Cargo.toml
+++ b/lax/Cargo.toml
@@ -29,7 +29,7 @@ intel-mkl-static = ["intel-mkl-src/mkl-static-lp64-seq"]
 intel-mkl-system = ["intel-mkl-src/mkl-dynamic-lp64-seq"]
 
 [dependencies]
-thiserror = "1.0.24"
+thiserror = "2.0.0"
 cauchy = "0.4.0"
 num-traits = "0.2.14"
 lapack-sys = "0.14.0"
diff --git a/ndarray-linalg/Cargo.toml b/ndarray-linalg/Cargo.toml
index 5439a9a1..aca807cb 100644
--- a/ndarray-linalg/Cargo.toml
+++ b/ndarray-linalg/Cargo.toml
@@ -35,7 +35,7 @@ katexit = "0.1.2"
 num-complex = "0.4.0"
 num-traits  = "0.2.14"
 rand = "0.8.3"
-thiserror = "1.0.24"
+thiserror = "2.0.0"
 
 [dependencies.ndarray]
 version = "0.16.0"