diff --git a/15.0/Dockerfile b/15.0/Dockerfile
index 2e553a324..6b5367516 100644
--- a/15.0/Dockerfile
+++ b/15.0/Dockerfile
@@ -6,6 +6,9 @@ SHELL ["/bin/bash", "-xo", "pipefail", "-c"]
 # Generate locale C.UTF-8 for postgres and general locale data
 ENV LANG C.UTF-8
 
+# Retrieve the target architecture to install the correct wkhtmltopdf package
+ARG TARGETARCH
+
 # Install some deps, lessc and less-plugin-clean-css, and wkhtmltopdf
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
@@ -30,9 +33,18 @@ RUN apt-get update && \
         python3-watchdog \
         python3-xlrd \
         python3-xlwt \
-        xz-utils \
-    && curl -o wkhtmltox.deb -sSL https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.5/wkhtmltox_0.12.5-1.buster_amd64.deb \
-    && echo 'ea8277df4297afc507c61122f3c349af142f31e5 wkhtmltox.deb' | sha1sum -c - \
+        xz-utils && \
+    if [ -z "${TARGETARCH}" ]; then \
+        TARGETARCH="$(dpkg --print-architecture)"; \
+    fi; \
+    WKHTMLTOPDF_ARCH=${TARGETARCH} && \
+    case ${TARGETARCH} in \
+    "amd64") WKHTMLTOPDF_ARCH=amd64 && WKHTMLTOPDF_SHA=9df8dd7b1e99782f1cfa19aca665969bbd9cc159  ;; \
+    "arm64")  WKHTMLTOPDF_SHA=58c84db46b11ba0e14abb77a32324b1c257f1f22  ;; \
+    "ppc64le" | "ppc64el") WKHTMLTOPDF_ARCH=ppc64el && WKHTMLTOPDF_SHA=7ed8f6dcedf5345a3dd4eeb58dc89704d862f9cd  ;; \
+    esac \
+    && curl -o wkhtmltox.deb -sSL https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6.1-3/wkhtmltox_0.12.6.1-3.bullseye_${WKHTMLTOPDF_ARCH}.deb \
+    && echo ${WKHTMLTOPDF_SHA} wkhtmltox.deb | sha1sum -c - \
     && apt-get install -y --no-install-recommends ./wkhtmltox.deb \
     && rm -rf /var/lib/apt/lists/* wkhtmltox.deb