diff --git a/Dockerfile b/Dockerfile
index 19d501ee9..031eecf5d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -23,8 +23,8 @@ RUN cd ./modules/oas-page-builder \
 FROM ubuntu:20.04
 ARG WORK_DIRECTORY=/home/docsworker-xlarge
 ARG SNOOTY_PARSER_VERSION=0.16.10
-ARG SNOOTY_FRONTEND_VERSION=0.16.19
-ARG MUT_VERSION=0.11.2
+ARG SNOOTY_FRONTEND_VERSION=0.16.20
+ARG MUT_VERSION=0.11.3
 ARG REDOC_CLI_VERSION=1.2.3
 ARG NPM_BASE_64_AUTH
 ARG NPM_EMAIL
diff --git a/Dockerfile.local b/Dockerfile.local
index a5b909b5f..14cf2fecf 100644
--- a/Dockerfile.local
+++ b/Dockerfile.local
@@ -2,8 +2,8 @@ FROM arm64v8/ubuntu:20.04 as initial
 ARG NPM_BASE_64_AUTH
 ARG NPM_EMAIL
 ARG SNOOTY_PARSER_VERSION=0.16.10
-ARG SNOOTY_FRONTEND_VERSION=0.16.19
-ARG MUT_VERSION=0.11.2
+ARG SNOOTY_FRONTEND_VERSION=0.16.20
+ARG MUT_VERSION=0.11.3
 ARG REDOC_CLI_VERSION=1.2.3
 ARG NPM_BASE_64_AUTH
 ARG NPM_EMAIL