Update Tokio version to ^0.2.21.
@@ -33,7 +33,7 @@ rpki = "0.9.1"
rpki-rtr = "0.1.1"
slab = "0.4.2"
tempfile = "3.1.0"
-tokio = { version = "=0.2.13", features = [ "io-util", "macros", "rt-threaded", "signal", "sync" ] }
+tokio = { version = "0.2.21", features = [ "io-util", "macros", "rt-threaded", "signal", "sync" ] }
toml = "0.5.6"
uuid = "0.8.1"
