diff --git a/schemars/Cargo.toml b/schemars/Cargo.toml
index de6c19b..60f091e 100644
--- a/schemars/Cargo.toml
+++ b/schemars/Cargo.toml
@@ -16,7 +16,7 @@ build = "build.rs"
 schemars_derive = { version = "=0.8.0-alpha-4", optional = true, path = "../schemars_derive" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-dyn-clone = "1.0"
+dyn-clone = "= 1.0.1"
 
 chrono = { version = "0.4", default-features = false, optional = true }
 indexmap = { version = "1.2", features=["serde-1"], optional = true }