diff --git a/Cargo.toml b/Cargo.toml
index a2118c5..41c9da5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -55,7 +55,7 @@ version = "0.21"
 
 [dependencies.webpki-roots]
 optional = true
-version = "0.21"
+version = "0.22"
 
 [dev-dependencies]
 criterion = "0.3.4"