diff --git a/Cargo.toml b/Cargo.toml
index d0647adb..2b8fbd76 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -54,7 +54,7 @@ thiserror = "1.0"
 wasmtime          = "11.0"
 wasmtime-wasi     = "11.0"
 wasi-common       = "11.0"
-wasi-cap-std-sync = "11.0"
+wasi-cap-std-sync = "12.0"
 
 [dev-dependencies]
 assert-json-diff = "2.0"