diff --git a/Cargo.toml b/Cargo.toml
index 1c15e43977..6e72de7608 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ description = "WASI implementation in Rust"
 wasi-common-cbindgen = { path = "wasi-common-cbindgen" }
 failure = "0.1"
 libc = "0.2"
-rand = "0.6"
+rand = "0.7"
 cfg-if = "0.1.9"
 log = "0.4"
 filetime = "0.2.7"