diff --git a/Dockerfile.bookworm b/Dockerfile.bookworm
index 1bc4ac66dbacb19ef67afcbbadcd2b1091c792f6..6bb66af379ccc426c63706a1096d7f293d3cc516 100644
--- a/Dockerfile.bookworm
+++ b/Dockerfile.bookworm
@@ -11,7 +11,7 @@ RUN dpkg-divert --divert /usr/lib/python3.11/EXTERNALLY-MANAGED.diverted --renam
         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 \
-        redis-server pylint python3-build twine && \
+        redis-server pylint python3-build twine python3-ua-parser && \
     pip3 install html5validator==0.4.2 && \
     apt-get -qq clean
 
diff --git a/Dockerfile.bullseye b/Dockerfile.bullseye
index 6931478cd485fb1584d2cc0b1686012731373574..f5ddceb08c8a7229c2a4de7d88e64eccb2de6d19 100644
--- a/Dockerfile.bullseye
+++ b/Dockerfile.bullseye
@@ -8,7 +8,7 @@ RUN apt-get -qq update && \
         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 \
-        redis-server && \
+        redis-server python3-ua-parser && \
     pip3 install pylint html5validator twine build --upgrade && \
     apt-get -qq clean
 
diff --git a/Dockerfile.buster b/Dockerfile.buster
index 32204f14e9f2a66bc26dd03f5c811eb2cb7c53b3..c619dcbe73b0ae1e373c83564a40b1f3e4ba76ba 100644
--- a/Dockerfile.buster
+++ b/Dockerfile.buster
@@ -8,7 +8,7 @@ RUN apt-get -qq update && \
         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 redis-server && \
+        python3-prometheus-client libffi-dev redis-server python3-ua-parser && \
     pip3 install pylint twine build --upgrade && \
     apt-get -qq clean