diff --git a/interaction/Dockerfile b/interaction/Dockerfile
index 0c7b606..2ac2519 100644
--- a/interaction/Dockerfile
+++ b/interaction/Dockerfile
@@ -1,4 +1,5 @@
 FROM python:alpine
+RUN apk update
 RUN apk add build-base python3 python3-pip ipython3 build-essential python-dev python3-dev
 COPY . /usr/src/app
 WORKDIR /usr/src/app
diff --git a/posting/Dockerfile b/posting/Dockerfile
index 1984bd3..bb1187d 100644
--- a/posting/Dockerfile
+++ b/posting/Dockerfile
@@ -1,4 +1,5 @@
 FROM python:alpine
+RUN apk update
 RUN apk add build-base python3 python3-pip ipython3 build-essential python-dev python3-dev
 COPY . /usr/src/app
 WORKDIR /usr/src/app