diff --git a/Cargo.toml b/Cargo.toml
index 5bdad63..0950a5c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,4 +33,4 @@ serde_json = "1.0.133"
 lindera = "0.38.1"
 
 [target.'cfg(target_os = "linux")'.dependencies]
-openssl = { version = "*", features = ["vendored"] }
+openssl = { version = "0.10.68", features = ["vendored"] }