diff --git a/projects/gdal/Dockerfile b/projects/gdal/Dockerfile
index c41b69e92..a9fc71646 100644
--- a/projects/gdal/Dockerfile
+++ b/projects/gdal/Dockerfile
@@ -16,11 +16,13 @@
 
 FROM gcr.io/oss-fuzz-base/base-builder
 MAINTAINER even.rouault@spatialys.com
-RUN apt-get update && apt-get install -y make autoconf automake libtool g++ zlib1g-dev libsqlite3-dev libexpat-dev liblzma-dev libxerces-c-dev libpng12-dev libgif-dev libwebp-dev libicu-dev libnetcdf-dev curl cmake libssl-dev
-#   libgeos-dev libjpeg-dev libcurl4-gnutls-dev libproj-dev libxml2-dev netcdf-bin libpoppler-dev libspatialite-dev libhdf4-alt-dev libhdf5-serial-dev  poppler-utils libfreexl-dev unixodbc-dev libepsilon-dev libpcre3-dev
+RUN apt-get update && apt-get install -y make autoconf automake libtool g++ zlib1g-dev libsqlite3-dev libexpat-dev liblzma-dev libxerces-c-dev libpng12-dev libgif-dev libwebp-dev libicu-dev libnetcdf-dev curl cmake libssl-dev sqlite3
+#   libgeos-dev libjpeg-dev libcurl4-gnutls-dev libxml2-dev netcdf-bin libpoppler-dev libspatialite-dev libhdf4-alt-dev libhdf5-serial-dev  poppler-utils libfreexl-dev unixodbc-dev libepsilon-dev libpcre3-dev
 # libpodofo-dev  libcrypto++-dev
 RUN git clone --depth 1 https://github.com/OSGeo/gdal gdal
 
+RUN git clone --depth 1 https://github.com/OSGeo/proj.4 gdal/proj
+
 RUN git clone --depth 1 https://github.com/curl/curl.git gdal/curl
 
 COPY build.sh NC4_put_propattr_leak_fix.patch libnetcdf_fix_undefined_left_shift_in_ncx_get_size_t.patch $SRC/
diff --git a/projects/gdal/build.sh b/projects/gdal/build.sh
index 69a30cd97..7718f25fe 100755
--- a/projects/gdal/build.sh
+++ b/projects/gdal/build.sh
@@ -15,6 +15,15 @@
 #
 ################################################################################
 
+# build libproj.a (proj master required)
+cd proj
+./autogen.sh
+./configure --disable-shared --prefix=$SRC/install
+make clean -s
+make -j$(nproc) -s
+make install
+cd ..
+
 # build libcurl.a (builing against Ubuntu libcurl.a doesn't work easily)
 cd curl
 ./buildconf
@@ -37,11 +46,11 @@ cd ../..
 # build gdal
 cd gdal
 export LDFLAGS=${CXXFLAGS}
-./configure --without-libtool --with-liblzma --with-expat --with-sqlite3 --with-xerces --with-webp --with-netcdf=$SRC/install --with-curl=$SRC/install --without-hdf5 --with-jpeg=internal
+./configure --without-libtool --with-liblzma --with-expat --with-sqlite3 --with-xerces --with-webp --with-netcdf=$SRC/install --with-curl=$SRC/install --without-hdf5 --with-jpeg=internal --with-proj=$SRC/install
 make clean -s
 make -j$(nproc) -s static-lib
 
-export EXTRA_LIBS="-Wl,-Bstatic -lwebp -llzma -lexpat -lsqlite3 -lgif -lpng12 -lz"
+export EXTRA_LIBS="-Wl,-Bstatic -lproj -lwebp -llzma -lexpat -lsqlite3 -lgif -lpng12 -lz"
 # Xerces-C related
 export EXTRA_LIBS="$EXTRA_LIBS -lxerces-c -licuuc -licudata"
 # netCDF related