diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 510ea55..683840a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -55,7 +55,7 @@ jobs:
     - uses: msys2/setup-msys2@v2
       with:
         update: true
-        install: base-devel git mingw-w64-x86_64-gcc mingw-w64-x86_64-cmake mingw-w64-x86_64-libevent mingw-w64-x86_64-pcre2
+        install: base-devel git mingw-w64-x86_64-gcc mingw-w64-x86_64-cmake mingw-w64-x86_64-libevent mingw-w64-x86_64-pcre2 patch
         msystem: MINGW64
         path-type: inherit
     - name: Build
@@ -80,7 +80,7 @@ jobs:
     - uses: msys2/setup-msys2@v2
       with:
         update: true
-        install: base-devel git mingw-w64-i686-gcc mingw-w64-i686-cmake mingw-w64-i686-libevent mingw-w64-i686-pcre2
+        install: base-devel git mingw-w64-i686-gcc mingw-w64-i686-cmake mingw-w64-i686-libevent mingw-w64-i686-pcre2 patch
         msystem: MINGW32
         path-type: inherit
     - name: Build
diff --git a/.travis.yml b/.travis.yml
index 95929a3..51bb81c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -93,7 +93,7 @@ jobs:
          export msys2+='& C:\\tools\\msys64\\msys2_shell.cmd -defterm -no-start'
          export mingw64="$msys2 -mingw64 -full-path -here -c "\"\$@"\" --"
          export msys2+=" -msys2 -c "\"\$@"\" --"
-         $msys2 pacman --sync --noconfirm --needed base-devel git mingw-w64-x86_64-gcc mingw-w64-x86_64-cmake mingw-w64-x86_64-libevent mingw-w64-x86_64-pcre2
+         $msys2 pacman --sync --noconfirm --needed base-devel git mingw-w64-x86_64-gcc mingw-w64-x86_64-cmake mingw-w64-x86_64-libevent mingw-w64-x86_64-pcre2 patch
          taskkill //IM gpg-agent.exe //F
          export PATH=/C/tools/msys64/mingw64/bin:$PATH
          export MAKE=make
@@ -127,7 +127,7 @@ jobs:
          export msys2+='& C:\\tools\\msys64\\msys2_shell.cmd -defterm -no-start'
          export mingw32="$msys2 -mingw32 -full-path -here -c "\"\$@"\" --"
          export msys2+=" -msys2 -c "\"\$@"\" --"
-         $msys2 pacman --sync --noconfirm --needed base-devel git mingw-w64-i686-gcc mingw-w64-i686-cmake mingw-w64-i686-libevent mingw-w64-i686-pcre2
+         $msys2 pacman --sync --noconfirm --needed base-devel git mingw-w64-i686-gcc mingw-w64-i686-cmake mingw-w64-i686-libevent mingw-w64-i686-pcre2 patch
          taskkill //IM gpg-agent.exe //F
          export PATH=/C/tools/msys64/mingw64/bin:$PATH
          export MAKE=make
diff --git a/scripts/Dockerfile b/scripts/Dockerfile
index 3ddd462..a48f7e9 100644
--- a/scripts/Dockerfile
+++ b/scripts/Dockerfile
@@ -7,6 +7,7 @@ RUN apk add --no-cache --virtual .build-tools git g++ build-base linux-headers c
     apk add --no-cache --virtual .build-deps curl-dev rapidjson-dev libevent-dev pcre2-dev yaml-cpp-dev && \
     git clone https://github.com/ftk/quickjspp --depth=1 && \
     cd quickjspp && \
+	git submodule update --init && \
     cmake -DCMAKE_BUILD_TYPE=Release . && \
     make -j4 && \
     install -m644 quickjs/libquickjs.a /usr/lib && \
diff --git a/scripts/build.alpine.release.sh b/scripts/build.alpine.release.sh
index 6088041..f8264e5 100644
--- a/scripts/build.alpine.release.sh
+++ b/scripts/build.alpine.release.sh
@@ -27,6 +27,7 @@ cd ..
 
 git clone https://github.com/PerMalmberg/libcron --depth=1
 cd libcron
+git submodule update --init
 cmake -DCMAKE_BUILD_TYPE=Release .
 make -j4
 install -m644 libcron/out/Release/liblibcron.a /usr/lib
diff --git a/scripts/build.macos.release.sh b/scripts/build.macos.release.sh
index 182ba14..79bafe5 100644
--- a/scripts/build.macos.release.sh
+++ b/scripts/build.macos.release.sh
@@ -27,6 +27,7 @@ cd ..
 
 git clone https://github.com/PerMalmberg/libcron --depth=1
 cd libcron
+git submodule update --init
 cmake -DCMAKE_BUILD_TYPE=Release .
 make -j4
 install -d /usr/local/include/libcron/
diff --git a/scripts/build.windows.release.sh b/scripts/build.windows.release.sh
index 8853a93..312d381 100644
--- a/scripts/build.windows.release.sh
+++ b/scripts/build.windows.release.sh
@@ -25,6 +25,7 @@ cd ..
 
 git clone https://github.com/PerMalmberg/libcron --depth=1
 cd libcron
+git submodule update --init
 cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release .
 make -j4
 install -m644 libcron/out/Release/liblibcron.a "$MINGW_PREFIX/lib"