diff --git a/Dockerfile.bullseye b/Dockerfile.bullseye
index df97773b7e57f1bc8d7cf7363e940aeb39b1b7e8..6931478cd485fb1584d2cc0b1686012731373574 100644
--- a/Dockerfile.bullseye
+++ b/Dockerfile.bullseye
@@ -7,7 +7,8 @@ RUN apt-get -qq update && \
         sqlite3 locales-all git \
         python3 python3-venv python3-coverage python3-ldap3 python3-flask python3-flask-sqlalchemy python3-flask-migrate \
         python3-pip python3-qrcode python3-fido2 python3-oauthlib python3-flask-babel python3-argon2 python3-pytest python3-all python3-pip \
-        git-buildpackage debhelper dh-python mariadb-server python3-mysqldb python3-requests-oauthlib python3-git python3-prometheus-client libffi-dev && \
+        git-buildpackage debhelper dh-python mariadb-server python3-mysqldb python3-requests-oauthlib python3-git python3-prometheus-client libffi-dev \
+        redis-server && \
     pip3 install pylint html5validator twine build --upgrade && \
     apt-get -qq clean
 
diff --git a/Dockerfile.buster b/Dockerfile.buster
index 1df0f1ece9b2ce944478ac00a70fba770dba466d..4e746e72aab0561d30093aa8a58db488d918d396 100644
--- a/Dockerfile.buster
+++ b/Dockerfile.buster
@@ -7,7 +7,8 @@ RUN apt-get -qq update && \
         sqlite3 locales-all git \
         python3 python3-venv python3-coverage python3-ldap3 python3-flask python3-flask-sqlalchemy python3-flask-migrate \
         python3-pip python3-qrcode python3-fido2 python3-oauthlib python3-flask-babel python3-argon2 python3-pytest python3-all python3-pip \
-        git-buildpackage debhelper dh-python mariadb-server python3-mysqldb python3-flask-oauthlib python3-requests-oauthlib python3-git python3-prometheus-client libffi-dev && \
+        git-buildpackage debhelper dh-python mariadb-server python3-mysqldb python3-flask-oauthlib python3-requests-oauthlib python3-git \
+        python3-prometheus-client libffi-dev redis-server && \
     pip3 install pylint html5validator twine build --upgrade && \
     apt-get -qq clean