1 files changed, 1 insertions, 1 deletions

diff --git a/embassy-sync/Cargo.toml b/embassy-sync/Cargo.toml
index b7fe1643c..1eeb94c9a 100644
--- a/embassy-sync/Cargo.toml
+++ b/embassy-sync/Cargo.toml
@@ -35,7 +35,7 @@ atomic-polyfill = "1.0.1"
 critical-section = "1.1"
 heapless = "0.7.5"
 cfg-if = "1.0.0"
-embedded-io = "0.3.1"
+embedded-io = "0.4.0"
 
 [dev-dependencies]
 futures-executor = { version = "0.3.17", features = [ "thread-pool" ] }