diff --git a/Dockerfile.arch b/Dockerfile.arch
index 2670db4..247a30b 100644
--- a/Dockerfile.arch
+++ b/Dockerfile.arch
@@ -7,5 +7,5 @@ RUN pacman -Syyu --noconfirm git python qt5-multimedia qt5-svg qt5-webengine qt5
                              python-webob python-waitress python-requests python-pymediainfo python-qtawesome \
                              python-opengl python-appdirs python-zeroconf python-flask python-pip python-distro \
                              flake8 mediainfo xorg-server-xvfb pyalpm fakeroot patch awk python-pytest-qt \
-                             python-qrcode
+                             python-qrcode python-pyicu
 RUN pip install python-vlc pysword flask-cors PyMuPDF
diff --git a/Dockerfile.debian b/Dockerfile.debian
index cf50c18..fd7c304 100644
--- a/Dockerfile.debian
+++ b/Dockerfile.debian
@@ -8,7 +8,7 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive \
                        python3-websockets python3-webob python3-waitress python3-requests python3-pymediainfo \
                        python3-qtawesome python3-opengl python3-appdirs python3-vlc python3-zeroconf python3-pip \
                        python3-flake8 python3-flask python3-flask-cors python3-distro flake8 mediainfo xvfb \
-                       python3-pytestqt python3-paramiko twine python3-fitz python3-pyro4 python3-qrcode
+                       python3-pytestqt python3-paramiko twine python3-fitz python3-pyro4 python3-qrcode python3-icu
 ADD fixpaths.py /usr/bin/fixpaths
 RUN chmod a+x /usr/bin/fixpaths
 ADD uploadversion.py /usr/bin/uploadversion
diff --git a/Dockerfile.fedora b/Dockerfile.fedora
index b8e6c32..b8ce279 100644
--- a/Dockerfile.fedora
+++ b/Dockerfile.fedora
@@ -7,5 +7,5 @@ RUN dnf install -y python3-PyQt5 python3-qt5-webengine python3-sqlalchemy python
                    python3-appdirs python3-webob python3-QtAwesome python3-waitress python3-vlc python3-pymediainfo \
                    python3-pyopengl python-pysword python3-requests python3-zeroconf python3-flake8 python3-flask \
                    python3-flask-cors python3-distro mediainfo patch xorg-x11-server-Xvfb ghostscript python3-pip \
-                   python-PyMuPDF python3-qrcode python3-pillow-qt
+                   python-PyMuPDF python3-qrcode python3-pillow-qt python3-pyicu
 RUN pip install pytest-qt
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index 917235f..51c97c1 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -8,5 +8,5 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive \
                        python3-websockets python3-webob python3-waitress python3-requests python3-pymediainfo \
                        python3-qtawesome python3-opengl python3-appdirs python3-vlc python3-zeroconf python3-pip \
                        python3-flake8 python3-flask python3-flask-cors python3-distro flake8 mediainfo xvfb \
-                       python3-pytestqt python3-fitz python3-qrcode
+                       python3-pytestqt python3-fitz python3-qrcode python3-icu