diff --git a/Dockerfile b/Dockerfile
index 71b7f207..2130b61b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ RUN apt-get update \
     && apt-get install -y poppler-utils git locales xmlsec1 gcc \
                           libmagic-dev libmariadbclient-dev libssl-dev \
                           libsasl2-dev libldap2-dev net-tools tcpdump \
-                          curl iproute2 libgtk2.0-0 \
+                          curl iproute2 libgtk2.0-0 libpango1.0.0 \
     && rm -rf /var/lib/apt/lists/*
 
 RUN pip3 install virtualenv
diff --git a/requirements.txt b/requirements.txt
index 9ec38e3c..5bb8bd42 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -72,7 +72,7 @@ cryptojwt>=1.5.0
 #   sudo apt install -f
 # ]
 
-WeasyPrint>=52.4
+WeasyPrint==52.4
 # django-wkhtmltopdf>=3.3.0
 # pdfkit>=0.6.1
 # pypdf2>=1.26.0