diff --git a/bionic/Dockerfile b/bionic/Dockerfile
index 9c63961..6bf7837 100644
--- a/bionic/Dockerfile
+++ b/bionic/Dockerfile
@@ -28,7 +28,7 @@ RUN set -eux; \
     echo "${RUSTUP_SHA256} *rustup-init" | sha256sum -c -; \
     chmod +x rustup-init
 
-ENV RUST_VERSION=1.67.1
+ENV RUST_VERSION=1.68.1
 
 RUN set -eux; \
     ./rustup-init -y --no-modify-path --default-toolchain $RUST_VERSION; \
diff --git a/centos-7/Dockerfile b/centos-7/Dockerfile
index f0ae5ca..44ba500 100644
--- a/centos-7/Dockerfile
+++ b/centos-7/Dockerfile
@@ -36,7 +36,7 @@ RUN set -eux; \
     echo "${RUSTUP_SHA256} *rustup-init" | sha256sum -c -; \
     chmod +x rustup-init
 
-ENV RUST_VERSION=1.67.1
+ENV RUST_VERSION=1.68.1
 
 RUN set -eux; \
     ./rustup-init -y --no-modify-path --default-toolchain $RUST_VERSION; \
diff --git a/gen-dockerfiles b/gen-dockerfiles
index 960bd9b..0e4faa8 100755
--- a/gen-dockerfiles
+++ b/gen-dockerfiles
@@ -3,7 +3,7 @@
 import os
 from urllib import request
 
-RUST_VERSION = '1.67.1'
+RUST_VERSION = '1.68.1'
 RUSTUP_VERSION = '1.25.2'
 
 RUST_ARCH = 'x86_64-unknown-linux-gnu'