diff --git a/redis/Dockerfile b/redis/Dockerfile
index c3172168f3dc8f9d2af5294b6b1201ab60130b47..9f99845f56a5d5262ae6b5e8e2bd001515e28eb6 100644
--- a/redis/Dockerfile
+++ b/redis/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:latest
+FROM python:3.10-slim
 COPY client_example.py ./client.py
 COPY requirements.txt ./requirements.txt
 RUN pip3 install -r requirements.txt
diff --git a/sg-backend/Dockerfile b/sg-backend/Dockerfile
index 8abdeafa432089925e2c9763848d30096e945a2b..864704edf06108efae6e23eaa9af5600964c3f9b 100644
--- a/sg-backend/Dockerfile
+++ b/sg-backend/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:latest
+FROM python:3.10-slim
 WORKDIR /code
 ENV POETRY_VERSION=1.2.2
 
diff --git a/sg-frontend/Dockerfile b/sg-frontend/Dockerfile
index b75fc76d0092ebc746400e42beb3b4b9e4a24cf3..2219917038435f9ce3d06302d0ec34a0c4a40f79 100644
--- a/sg-frontend/Dockerfile
+++ b/sg-frontend/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:18
+FROM node:18-slim
 WORKDIR /app
 COPY . /app
 
diff --git a/sg-frontend/build.Dockerfile b/sg-frontend/build.Dockerfile
index ad10dc9716a70275a45db402fe705686ca03f9f1..18ffdede8dde4c9be06b0d4173f940bf2c073b6f 100644
--- a/sg-frontend/build.Dockerfile
+++ b/sg-frontend/build.Dockerfile
@@ -1,4 +1,4 @@
-FROM node:18
+FROM node:18-slim
 WORKDIR /app
 COPY . /app