diff --git a/internal/Cargo.toml b/internal/Cargo.toml
index 70c1dd6a..8895788a 100644
--- a/internal/Cargo.toml
+++ b/internal/Cargo.toml
@@ -20,7 +20,7 @@ serde = { workspace = true }
 
 # smoelius: Serde formats
 bincode = "1.3"
-postcard = { version = "1.0", features = ["use-std"], optional = true }
+postcard = { version = "1.1", features = ["use-std"], optional = true }
 
 [features]
 __serde_bincode = []