diff --git a/Cargo.toml b/Cargo.toml
index 965df68..1dd0a25 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,4 +20,4 @@ exclude = [
 ]
 
 [dependencies]
-tock-registers = { version = "0.8.x", default-features = false } # Use it as interface-only library.
+tock-registers = { version = "0.9.0", default-features = false } # Use it as interface-only library.