diff --git a/Cargo.toml b/Cargo.toml
index fed20a9..25cbfd6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ parking_lot_core = { version = "0.9.3", optional = true, default_features = fals
 atomic-polyfill = { version = "1", optional = true }
 
 # Uses `critical-section` to implement `once_cell::sync::OnceCell`.
-critical_section = { package = "critical-section", version = "1.1", optional = true }
+critical_section = { package = "critical-section", version = "1", optional = true }
 
 [dev-dependencies]
 lazy_static = "1.0.0"