up once cell version
@@ -64,7 +64,7 @@ log = "0.4"
async-trait = "0.1.31"
futures-core = { version = "0.3.7" }
crossbeam-queue = "0.2.3"
-once_cell = "1.4.1"
+once_cell = "1.5"
rustflake = { version = "0.1.0", package = "rustflake", optional = true }
