diff --git a/xtrace-example/Cargo.toml b/xtrace-example/Cargo.toml
index 843ce8eb..e7116016 100644
--- a/xtrace-example/Cargo.toml
+++ b/xtrace-example/Cargo.toml
@@ -14,10 +14,10 @@ path = "../"
 features = ["all-extensions"]
 
 [dependencies.futures-util]
-version = "0.3"
+version = ">= 0.3.0, <= 0.3.17"
 default-features = false
 features = ["async-await", "async-await-macro", "io", "std"]
 
 [dependencies.futures-io]
-version = "0.3"
+version = ">= 0.3.0, <= 0.3.17"
 default-features = false