diff --git a/.docker/qgis3-build-deps.dockerfile b/.docker/qgis3-build-deps.dockerfile
index 28db6e80482..fb1cce9149c 100644
--- a/.docker/qgis3-build-deps.dockerfile
+++ b/.docker/qgis3-build-deps.dockerfile
@@ -34,6 +34,7 @@ RUN  apt-get update \
     libgsl-dev \
     libpq-dev \
     libproj-dev \
+    libprotobuf-dev \
     libqca-qt5-2-dev \
     libqca-qt5-2-plugins \
     libqt53dextras5 \
@@ -77,6 +78,7 @@ RUN  apt-get update \
     python3-owslib \
     python3-pip \
     python3-psycopg2 \
+    python3-pyproj \
     python3-pyqt5 \
     python3-pyqt5.qsci \
     python3-pyqt5.qtsql \