diff --git a/Cargo.toml b/Cargo.toml
index cbe0fa7..a995a4e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ schemars = { version = "1.0.4", optional = true }
 
 [dev-dependencies]
 serde_json = "1.0.116"
-criterion = {version = "0.5.1", features= ["html_reports"]}
+criterion = {version = "0.8.1", features= ["html_reports"]}
 
 [badges]
 travis-ci = { repository = "achanda/ipnetwork" }