diff --git a/18.0.Dockerfile b/18.0.Dockerfile
index 9874f2774eafa2b0ba015c5c08e284834b1f4d50..c444b4170a92f06891c5091e0cf5ad4ba97e1b59 100644
--- a/18.0.Dockerfile
+++ b/18.0.Dockerfile
@@ -36,10 +36,12 @@ RUN set -x; \
     gnupg \
     openssh-client \
     postgresql-client \
-    wkhtmltopdf \
     xmlsec1 \
+  && curl -o wkhtmltox.deb -SL https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6.1-3/wkhtmltox_0.12.6.1-3.bookworm_amd64.deb \
+  && echo 'e9f95436298c77cc9406bd4bbd242f4771d0a4b2 wkhtmltox.deb' | sha1sum -c - \
+  && apt-get install --yes --no-install-recommends ./wkhtmltox.deb \
   && apt-get -y autoremove \
-  && rm -rf /var/lib/apt/lists/*
+  && rm -rf /var/lib/apt/lists/* wkhtmltox.deb
 
 COPY --from=builder /svc /svc
 RUN pip3 install --no-index --find-links=/svc/wheels --requirement https://raw.githubusercontent.com/oca/OCB/18.0/requirements.txt \