diff --git a/Cargo.toml b/Cargo.toml
index bb9655f..742bd00 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ derive = ["clingo-derive"]
 vec1 = "1.8.0"
 clingo-sys =  "=0.7.2"
 clingo-derive = { version = "=0.2.0", optional = true }
-thiserror = "1.0"
+thiserror = "2.0"
 bitflags = "2"
 
 [dev-dependencies]