cargo: continue to support openssh-keys 0.5
@@ -36,7 +36,7 @@ libsystemd = ">= 0.2.1, < 0.7.0"
mailparse = ">= 0.13, < 0.15"
maplit = "1.0"
nix = ">= 0.19, < 0.27"
-openssh-keys = "0.6"
+openssh-keys = ">= 0.5, < 0.7"
openssl = "0.10"
pnet_base = ">= 0.26, < 0.32"
pnet_datalink = ">= 0.26, < 0.32"
