@ -74,7 +74,7 @@ once_cell = { version = "1.3.1", optional = true }
pin-project-lite = { version = "0.2.0", optional = true }
pin-utils = { version = "0.1.0-alpha.4", optional = true }
slab = { version = "0.4.2", optional = true }
async-channel = { version = "1.8.0", optional = true }
async-channel = { version = "2.2.0", optional = true }
# dev dependency, but they are not allowed to be optional :/
surf = { version = "2.0.0", optional = true }