diff --git a/projects/harfbuzz/build.sh b/projects/harfbuzz/build.sh
index c3d052052..f83bf05b7 100755
--- a/projects/harfbuzz/build.sh
+++ b/projects/harfbuzz/build.sh
@@ -35,6 +35,10 @@ $CXX $CXXFLAGS -std=c++11 -Isrc \
     ./test/fuzzing/hb-subset-fuzzer.cc -o $OUT/hb-subset-fuzzer \
     $LIB_FUZZING_ENGINE ./src/.libs/libharfbuzz-subset.a ./src/.libs/libharfbuzz.a
 
+$CXX $CXXFLAGS -std=c++11 -Isrc \
+    ./test/fuzzing/hb-set-fuzzer.cc -o $OUT/hb-set-fuzzer \
+    $LIB_FUZZING_ENGINE ./src/.libs/libharfbuzz.a
+
 # Archive and copy to $OUT seed corpus if the build succeeded.
 mkdir all-fonts
 for d in \
@@ -49,3 +53,4 @@ for d in \
 done
 zip $OUT/hb-shape-fuzzer_seed_corpus.zip all-fonts/*
 cp $OUT/hb-shape-fuzzer_seed_corpus.zip $OUT/hb-subset-fuzzer_seed_corpus.zip
+zip $OUT/hb-set-fuzzer_seed_corpus.zip ./test/fuzzing/sets/*
diff --git a/projects/harfbuzz/hb-set-fuzzer.options b/projects/harfbuzz/hb-set-fuzzer.options
new file mode 100644
index 000000000..ea2a7a237
--- /dev/null
+++ b/projects/harfbuzz/hb-set-fuzzer.options
@@ -0,0 +1,2 @@
+[libfuzzer]
+timeout = 5