diff --git a/Cargo.toml b/Cargo.toml
index f39309e..2ab5954 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,6 +15,6 @@ categories = ["network-programming"]
 
 [dependencies]
 derive-new = "0.5"
-ipnetwork = "0.19.0"
-pnet_datalink = "0.31.0"
-pnet = "0.31.0"
+ipnetwork = "0.20.0"
+pnet_datalink = "0.33.0"
+pnet = "0.33.0"