diff --git a/Cargo.toml b/Cargo.toml
index 05104ef288..545e0d83d6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -76,7 +76,7 @@ exclude = ["benches", "distr_test"]
 rand_core = { version = "0.10.0-rc-2", default-features = false }
 log = { version = "0.4.4", optional = true }
 serde = { version = "1.0.103", features = ["derive"], optional = true }
-chacha20 = { version = "=0.10.0-rc.5", default-features = false, features = ["rng"], optional = true }
+chacha20 = { version = "0.10.0-rc.5", default-features = false, features = ["rng"], optional = true }
 getrandom = { version = "0.3.0", optional = true }
 
 [dev-dependencies]