diff --git a/Cargo.toml b/Cargo.toml
index 7bc5de6..4b6d4cb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ delegate = "0.7.0"
 chrono = "0.4.20"
 
 [dev-dependencies.postcard]
-version = "0.7.3"
+version = "1.0.1"
 features = ["use-std"]
 
 [features]