diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index ba6db64f..52e6d3c9 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -21,8 +21,8 @@ features = ["extra-traits", "full"]
 version = "0.15.13"
 
 [dependencies.rand]
-version = "0.5.5"
-default-features = false
+version = "0.7.0"
+features = ["small_rng"]
 
 [dev-dependencies]
 cortex-m-rt = { path = "..", version = "0.6.0" }