diff --git a/projects/pillow/Dockerfile b/projects/pillow/Dockerfile
index ab9089553..86812ab63 100644
--- a/projects/pillow/Dockerfile
+++ b/projects/pillow/Dockerfile
@@ -15,19 +15,6 @@
 ################################################################################
 
 FROM gcr.io/oss-fuzz-base/base-builder
-RUN git clone --depth 1 https://github.com/google/fuzzing
-RUN cat fuzzing/dictionaries/bmp.dict \
-        fuzzing/dictionaries/dds.dict \
-        fuzzing/dictionaries/gif.dict \
-        fuzzing/dictionaries/icns.dict \
-        fuzzing/dictionaries/jpeg.dict \
-        fuzzing/dictionaries/jpeg2000.dict \
-        fuzzing/dictionaries/pbm.dict \
-        fuzzing/dictionaries/png.dict \
-        fuzzing/dictionaries/psd.dict \
-        fuzzing/dictionaries/tiff.dict \
-        fuzzing/dictionaries/webp.dict \
-      > $OUT/fuzz_pillow.dict
 
 # library build dependencies
 RUN apt-get update && \
@@ -40,6 +27,8 @@ RUN apt-get update && \
 RUN git clone --depth 1 https://github.com/python-pillow/Pillow
 RUN git clone --depth 1 https://github.com/python-pillow/pillow-wheels
 
+RUN $SRC/Pillow/Tests/oss-fuzz/build_dictionaries.sh
+
 COPY build_depends.sh $SRC
 
 RUN ln -s /usr/local/bin/python3 /usr/local/bin/python \
diff --git a/projects/pillow/build.sh b/projects/pillow/build.sh
index e7dac3463..4656c7cab 100644
--- a/projects/pillow/build.sh
+++ b/projects/pillow/build.sh
@@ -15,33 +15,4 @@
 #
 ################################################################################
 
-python3 setup.py build --build-base=/tmp/build install
-
-# Build fuzzers in $OUT.
-for fuzzer in $(find $SRC -name 'fuzz_*.py'); do
-  fuzzer_basename=$(basename -s .py $fuzzer)
-  fuzzer_package=${fuzzer_basename}.pkg
-  pyinstaller \
-      --add-binary /usr/local/lib/libjpeg.so.9:. \
-      --add-binary /usr/local/lib/libfreetype.so.6:. \
-      --add-binary /usr/local/lib/liblcms2.so.2:. \
-      --add-binary /usr/local/lib/libopenjp2.so.7:. \
-      --add-binary /usr/local/lib/libpng16.so.16:. \
-      --add-binary /usr/local/lib/libtiff.so.5:. \
-      --add-binary /usr/local/lib/libwebp.so.7:. \
-      --add-binary /usr/local/lib/libwebpdemux.so.2:. \
-      --add-binary /usr/local/lib/libwebpmux.so.3:. \
-      --add-binary /usr/local/lib/libxcb.so.1:. \
-      --distpath $OUT --onefile --name $fuzzer_package $fuzzer
-
-  # Create execution wrapper.
-  echo "#!/bin/sh
-# LLVMFuzzerTestOneInput for fuzzer detection.
-this_dir=\$(dirname \"\$0\")
-LD_PRELOAD=\$this_dir/sanitizer_with_fuzzer.so \
-ASAN_OPTIONS=\$ASAN_OPTIONS:symbolize=1:external_symbolizer_path=\$this_dir/llvm-symbolizer:detect_leaks=0 \
-\$this_dir/$fuzzer_package \$@" > $OUT/$fuzzer_basename
-  chmod u+x $OUT/$fuzzer_basename
-done
-
-find Tests/images Tests/icc Tests/fonts -print | zip -q $OUT/fuzz_pillow_seed_corpus.zip -@
+./Tests/oss-fuzz/build.sh