diff --git a/core/relay/Dockerfile.client b/core/relay/Dockerfile.client
index 82145d970..ba8219764 100644
--- a/core/relay/Dockerfile.client
+++ b/core/relay/Dockerfile.client
@@ -1,4 +1,4 @@
-FROM rust:1.62.1-slim-bullseye AS builder
+FROM rust:1.63.0-slim-bullseye AS builder
 
 RUN apt-get update
 
@@ -14,7 +14,7 @@ RUN rustup target add x86_64-unknown-linux-musl
 # on linux (debian), we can use the toolchain mentioned below also because
 # custom toolchains are not supported.
 # 
-RUN rustup component add rustfmt --toolchain 1.62.1-x86_64-unknown-linux-gnu
+RUN rustup component add rustfmt --toolchain 1.63.0-x86_64-unknown-linux-gnu
 RUN mkdir -p /opt/relay
 COPY . /opt/relay
 
diff --git a/core/relay/Dockerfile.driver b/core/relay/Dockerfile.driver
index 1f523edd5..3db8525e7 100644
--- a/core/relay/Dockerfile.driver
+++ b/core/relay/Dockerfile.driver
@@ -1,4 +1,4 @@
-FROM rust:1.62.1-slim-bullseye AS builder
+FROM rust:1.63.0-slim-bullseye AS builder
 
 RUN apt-get update
 
@@ -14,7 +14,7 @@ RUN rustup target add x86_64-unknown-linux-musl
 # on linux (debian), we can use the toolchain mentioned below also because
 # custom toolchains are not supported.
 # 
-RUN rustup component add rustfmt --toolchain 1.62.1-x86_64-unknown-linux-gnu
+RUN rustup component add rustfmt --toolchain 1.63.0-x86_64-unknown-linux-gnu
 RUN mkdir -p /opt/relay
 COPY . /opt/relay
 
diff --git a/core/relay/Dockerfile.server b/core/relay/Dockerfile.server
index 5463b7387..4b68f4a9f 100644
--- a/core/relay/Dockerfile.server
+++ b/core/relay/Dockerfile.server
@@ -1,4 +1,4 @@
-FROM rust:1.62.1-slim-bullseye AS builder
+FROM rust:1.63.0-slim-bullseye AS builder
 
 RUN apt-get update
 
@@ -14,7 +14,7 @@ RUN rustup target add x86_64-unknown-linux-musl
 # on linux (debian), we can use the toolchain mentioned below also because
 # custom toolchains are not supported.
 # 
-RUN rustup component add rustfmt --toolchain 1.62.1-x86_64-unknown-linux-gnu
+RUN rustup component add rustfmt --toolchain 1.63.0-x86_64-unknown-linux-gnu
 RUN mkdir -p /opt/relay
 COPY . /opt/relay