diff --git a/builds/fuzz/ci_build.sh b/builds/fuzz/ci_build.sh
new file mode 100755
index 00000000..7c5caa18
--- /dev/null
+++ b/builds/fuzz/ci_build.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+# used by oss-fuzz https://github.com/google/oss-fuzz/tree/master/projects/libzmq
+
+set -e
+set -x
+
+cd "${SRC}/libsodium"
+DO_NOT_UPDATE_CONFIG_SCRIPTS=1 ./autogen.sh
+./configure --disable-shared --prefix=/install_prefix --disable-asm
+make -j$(nproc) V=1 install DESTDIR=/tmp/zmq_install_dir
+
+cd "${SRC}/libzmq"
+./autogen.sh
+export LDFLAGS+=" $(PKG_CONFIG_PATH=/tmp/zmq_install_dir/install_prefix/lib/pkgconfig pkg-config --static --libs --define-prefix libsodium)"
+export CXXFLAGS+=" $(PKG_CONFIG_PATH=/tmp/zmq_install_dir/install_prefix/lib/pkgconfig pkg-config --static --cflags --define-prefix libsodium)"
+./configure --disable-shared --prefix=/install_prefix --disable-perf --disable-curve-keygen PKG_CONFIG_PATH=/tmp/zmq_install_dir/install_prefix/lib/pkgconfig --with-libsodium=yes --with-fuzzing-installdir=fuzzers --with-fuzzing-engine=$LIB_FUZZING_ENGINE
+make -j$(nproc) V=1 install DESTDIR=/tmp/zmq_install_dir
+
+cp /tmp/zmq_install_dir/install_prefix/fuzzers/* "${OUT}"