diff --git a/Cargo.lock b/Cargo.lock
index ba42d2a71e..0ca427ddb9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2435,9 +2435,9 @@ checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
 
 [[package]]
 name = "postcard"
-version = "1.0.10"
+version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f7f0a8d620d71c457dd1d47df76bb18960378da56af4527aaa10f515eee732e"
+checksum = "170a2601f67cc9dba8edd8c4870b15f71a6a2dc196daec8c83f72b59dff628a8"
 dependencies = [
  "cobs",
  "embedded-io 0.4.0",