diff --git a/Cargo.toml b/Cargo.toml
index 7693c300..8e7640f9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ repository = "https://github.com/ruma/ruma-events"
 version = "0.4.1"
 
 [dependencies]
-ruma-identifiers = "0.7"
+ruma-identifiers = "0.8"
 ruma-signatures = "0.2"
 serde = "0.9"
 serde_derive = "0.9"
diff --git a/src/lib.rs b/src/lib.rs
index 4d2563d7..09ccbcb1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -97,6 +97,7 @@
 
 #![deny(missing_debug_implementations)]
 #![deny(missing_docs)]
+#![deny(warnings)]
 
 extern crate ruma_identifiers;
 extern crate ruma_signatures;