update deps: num-bigint=0.2

diff --git a/Cargo.toml b/Cargo.toml
index f401ec3d124bef44cb52728cd9571bf7f781bfd6..4fbf631d9058ee05d178cd6480e697de83513b98 100644 (file)
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ curve25519-dalek = "0.17"
 rand = "0.5"
 sha2 = "0.7"
 hkdf = "0.5"
-num-bigint = "0.1"
+num-bigint = "0.2"
 hex = "0.3"
 
 [dev-dependencies]