diff --git a/Dockerfile b/Dockerfile
index 736c690de2..f32e540dda 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:12.20.2-buster-slim
+FROM node:14.21.3-buster-slim
 
 WORKDIR /usr/local
 
diff --git a/dev.Dockerfile b/dev.Dockerfile
index b75c11527b..d3f8b3a0c1 100644
--- a/dev.Dockerfile
+++ b/dev.Dockerfile
@@ -1,4 +1,4 @@
-FROM node:12.20.2
+FROM node:14.21.3
 
 WORKDIR /app
 
diff --git a/mock-server.Dockerfile b/mock-server.Dockerfile
index cc338db39b..487902f68a 100644
--- a/mock-server.Dockerfile
+++ b/mock-server.Dockerfile
@@ -1,8 +1,8 @@
-FROM node:12.20.2-buster-slim
+FROM node:14.21.3-buster-slim
 
 WORKDIR /usr/local
 
-RUN npm install -g json-server
+RUN npm install -g json-server@0.16.3
 
 COPY db.json routes.json json-server-middlewares.js ./