diff --git a/signed_source/Cargo.toml b/signed_source/Cargo.toml
index 83541549..c829248b 100644
--- a/signed_source/Cargo.toml
+++ b/signed_source/Cargo.toml
@@ -19,4 +19,4 @@ hex = "0.4.3"
 md-5 = "0.10"
 once_cell = "1.12"
 regex = "1.9.2"
-thiserror = "1.0.49"
+thiserror = "1.0.64"