diff --git a/aries/agents/mediator/Dockerfile b/aries/agents/mediator/Dockerfile
index 2cddeb671f..ac19dd8748 100644
--- a/aries/agents/mediator/Dockerfile
+++ b/aries/agents/mediator/Dockerfile
@@ -1,4 +1,4 @@
-FROM rust:1.84.1 as builder
+FROM rust:1.85.1 as builder
 RUN apt update && apt install -y libssl-dev libzmq3-dev cmake 
 
 WORKDIR /usr/src/aries-vcx