diff --git a/rust/gklib/Cargo.toml b/rust/gklib/Cargo.toml
index 8e9a87e6..034e9240 100644
--- a/rust/gklib/Cargo.toml
+++ b/rust/gklib/Cargo.toml
@@ -13,7 +13,7 @@ base64 = "0.22.1"
 ciborium = "0.2.2"
 serde = { version = "1.0", features = ["derive"] }
 serde_bytes = "0.11"
-blind-rsa-signatures = "=0.15.1"
+blind-rsa-signatures = "=0.18.0"
 rand = "0.8.5"
 rand_core = "0.6"
 sha2 = "0.11.0-pre.4"