diff --git a/Cargo.toml b/Cargo.toml
index 0b1755ec..b857f818 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,7 +48,7 @@ http = "0.2.9"
 http-body = "0.4.5"
 hyper = "0.14.27"
 image = "0.24.3"
-iref = "^2.0.3"
+iref = "^3.1.2"
 lazy_static = "1.4.0"
 log = "^0.4"
 paho-mqtt = "0.12"