diff --git a/examples/rust-gcoap/Cargo.lock b/examples/rust-gcoap/Cargo.lock
index eca4a6c5ee..e6feaf3d3f 100644
Binary files a/examples/rust-gcoap/Cargo.lock and b/examples/rust-gcoap/Cargo.lock differ
diff --git a/examples/rust-gcoap/Cargo.toml b/examples/rust-gcoap/Cargo.toml
index 9a4291af1e..a66c172fb5 100644
--- a/examples/rust-gcoap/Cargo.toml
+++ b/examples/rust-gcoap/Cargo.toml
@@ -22,7 +22,7 @@ opt-level = "s"
 riot-wrappers = { version = "^0.8", features = [ "set_panic_handler", "panic_handler_format", "with_coap_message", "with_coap_handler" ] }
 
 coap-message-demos = { git = "https://gitlab.com/chrysn/coap-message-demos/", default-features = false }
-coap-handler-implementations = "0.3"
+coap-handler-implementations = "0.4"
 riot-coap-handler-demos = { git = "https://gitlab.com/etonomy/riot-module-examples/", features = [ "vfs" ] }
 
 # While currently this exmple does not use any RIOT modules implemented in