diff --git a/docker/Dockerfile b/docker/Dockerfile
index 7045b0f..892eff1 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -25,8 +25,8 @@
 LABEL authors="Benjamín Díaz, Fabián Bravo"
 
 RUN apt-get --yes update \
- && apt-get --yes install python3 python3-pip libmysqlclient-dev git mysql-client \
- && pip3 install pip==9.0.3
+ && apt-get --yes install python3=3.8.2-0ubuntu2 python3-pip=20.0.2-5ubuntu1.1 libmysqlclient-dev=8.0.23-0ubuntu0.20.04.1 git mysql-client=8.0.23-0ubuntu0.20.04.1 \
+ && pip3 install pip==21.0.1
 
 COPY requirements.txt /policy_module/requirements.txt