diff --git a/Cargo.toml b/Cargo.toml
index 2ec8b94e..c86698f4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,6 +35,8 @@ tiny-bip39 = { version = "^0.8", optional = true }
 # Platform-specific dependencies
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
 tokio = { version = "1", features = ["rt"] }
+# pin hyper version to prevent update to socket2 0.4.0 which isn't supported for MSRV 1.45.0
+hyper = { version = "=0.14.4" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 async-trait = "0.1"