-chalk-solve = { version = "0.68", default-features = false }
-chalk-ir = "0.68"
-chalk-recursive = "0.68"
-la-arena = { version = "0.2.0", path = "../../lib/arena" }
+chalk-solve = { version = "0.79", default-features = false }
+chalk-ir = "0.79"
+chalk-recursive = { version = "0.79", default-features = false }
+la-arena = { version = "0.3.0", path = "../../lib/arena" }
+once_cell = { version = "1.5.0" }
+typed-arena = "2.0.1"