diff --git a/worker/Cargo.toml b/worker/Cargo.toml
index 0efa3346..8ed483a3 100644
--- a/worker/Cargo.toml
+++ b/worker/Cargo.toml
@@ -45,7 +45,7 @@ version = "0.8.4"
 default-features = false
 
 [dependencies.web-sys]
-version = ">=0.3.70"
+version = "0.3.70"
 features = [
     "File",
     "WorkerGlobalScope",