diff --git a/scripts/build.sh b/scripts/build.sh
index 2d68c088eebaf2e4d6d4af8473453cd1f1c605fe..ddeee0e5ddea5599f08931e2b88fecc32f8b2420 100644
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -35,6 +35,8 @@ echo "DEPENDENCY: OpenSSL"
 git clone -q --recursive --depth 1 https://github.com/openssl/openssl.git -b "$OPENSSL_TAG" "$OPENSSL_DIR"
 cd "$OPENSSL_DIR" || exit
 ./config
+make -j"$(nproc)"
+make install
 
 # Dependency: ngx_brotli (no tagged releases)
 echo ""