diff --git a/Cargo.toml b/Cargo.toml
index 589ec858..02a7c296 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ repository = "https://github.com/ruma/ruma-signatures"
 version = "0.5.0"
 
 [dependencies]
-base64 = "0.11.0"
-ring = "0.16.9"
-serde_json = "1.0.41"
+base64 = "0.12.0"
+ring = "0.16.12"
+serde_json = "1.0.50"
 untrusted = "0.7.0"