diff --git a/language/move-core/types/Cargo.toml b/language/move-core/types/Cargo.toml
index 5576c4f104..0077ffd8ac 100644
--- a/language/move-core/types/Cargo.toml
+++ b/language/move-core/types/Cargo.toml
@@ -26,7 +26,7 @@ ethnum = "1.0.4"
 arbitrary = { version = "1.1.7", features = [ "derive_arbitrary"], optional = true }
 bcs.workspace = true
 bech32 = "0.9"
-openrpc-schema = {git = "https://github.com/starcoinorg/openrpc-rs",rev = "f8ab047e30927cdf2f605b61a219c975d6c4f666"}
+openrpc-schema = {git = "https://github.com/starcoinorg/openrpc-rs",rev = "a1239efecefec6494673536367b80aba5ca4d852"}
 
 
 [dev-dependencies]