diff --git a/Cargo.toml b/Cargo.toml
index 40174ea..857bf65 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ tracing = "0.1"
 unicode-normalization = "0.1"
 
 [dev-dependencies]
-affinidi-tdk = "0.26"
+affinidi-tdk = "0.36"
 anyhow = "1.0"
 tokio = "1"
 # The `data_room` example seals records for real rather than pretending to. Dev-only: