diff --git a/embassy-executor/Cargo.toml b/embassy-executor/Cargo.toml
index 409a341f0..fa3d0b2b6 100644
--- a/embassy-executor/Cargo.toml
+++ b/embassy-executor/Cargo.toml
@@ -22,7 +22,7 @@ flavors = [
 
 [features]
 default = []
-std = ["embassy-macros/std"]
+std = ["embassy-macros/std", "critical-section/std"]
 wasm = ["dep:wasm-bindgen", "dep:js-sys", "embassy-macros/wasm"]
 
 # Enable nightly-only features