diff --git a/apk/py3-secure-cookie/APKBUILD b/apk/py3-secure-cookie/APKBUILD
new file mode 100644
index 0000000..50d6512
--- /dev/null
+++ b/apk/py3-secure-cookie/APKBUILD
@@ -0,0 +1,28 @@
+# Maintainer: Disassembler <disassembler@dasm.cz>
+pkgname=py3-secure-cookie
+_pkgname=secure-cookie
+pkgver=0.1.0
+pkgrel=0
+pkgdesc="Secure cookie and session interface for WSGI applications"
+url="https://secure-cookie.readthedocs.io/"
+arch="noarch"
+license="MIT"
+depends="python3"
+makedepends="py3-setuptools"
+checkdepends="py3-pytest py3-werkzeug"
+source="https://files.pythonhosted.org/packages/source/${_pkgname:0:1}/$_pkgname/$_pkgname-$pkgver.tar.gz"
+builddir="$srcdir/$_pkgname-$pkgver"
+
+build() {
+	python3 setup.py build
+}
+
+package() {
+	python3 setup.py install --prefix=/usr --root="$pkgdir"
+}
+
+check() {
+	PYTHONPATH=$PWD/build/lib pytest
+}
+
+sha512sums="2e57dba6f73ceb03eda33c804dbe2277c9fe700dd1be219bb3d8d43a5c9105c2323fb6b28d74d3a1dfc8fbbd938b91ab54d3e1bac1dc74490335b1d27e43b55a  secure-cookie-0.1.0.tar.gz"
diff --git a/apk/vmmgr b/apk/vmmgr
index 9d18f66..f370bd4 160000
--- a/apk/vmmgr
+++ b/apk/vmmgr
@@ -1 +1 @@
-Subproject commit 9d18f665c54f750528f0ad2f07fd0812ef70f135
+Subproject commit f370bd4712e8c56c23458e1f645da1b2a5d6dd4a
diff --git a/build/build-all.sh b/build/build-all.sh
index 4ffdb8c..e2956e1 100755
--- a/build/build-all.sh
+++ b/build/build-all.sh
@@ -12,6 +12,10 @@ cd ${ROOT}/vm
 tar czpf /srv/build/vm.tar.gz *
 
 # Build native apps
+cd ${ROOT}/apk/py3-secure-cookie
+apk add -U py3-setuptools py3-pytest py3-werkzeug
+abuild -F
+
 cd ${ROOT}/apk/rabbitmq-server
 apk add -U elixir erlang-compiler erlang-dev erlang-edoc erlang-eldap erlang-erl-docgen erlang-mnesia erlang-os-mon erlang-runtime-tools erlang-tools erlang-eunit erlang-xmerl gawk grep libxslt py3-simplejson python3 rsync socat xmlto zip
 abuild -F
diff --git a/build/install-toolchain.sh b/build/install-toolchain.sh
index 24d6126..8facec7 100755
--- a/build/install-toolchain.sh
+++ b/build/install-toolchain.sh
@@ -6,10 +6,10 @@ cd $(realpath $(dirname "${0}"))
 # Install basic build tools
 apk update
 apk add git file htop less openssh-client tree
-# Install Alpine SDK
+# Install Alpine SDK (for APK builds)
 apk add alpine-sdk
-# Install Sphinx support
-apk add py3-sphinx
+# Install Sphinx support (for documentation builds)
+apk add py3-sphinx py3-sphinx_rtd_theme
 
 # Copy root profile files and settings
 mkdir -p /root/.config/htop