diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 09297dd946..0df827765d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,6 +9,7 @@ release:
   before_script:
     - curl -L https://tarantool.io/installer.sh | VER=2.2 bash
   script:
+    - luarocks install https://raw.githubusercontent.com/tarantool/LDoc/tarantool/ldoc-scm-2.rockspec
     - bash update_submodules.sh
     - cmake .
     - make json json-ru singlehtml-website singlehtml-ru-website pdf pdf-ru
diff --git a/.gitmodules b/.gitmodules
index d1053f3f71..8cd6aa62fb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,3 +7,6 @@
 [submodule "modules/metrics"]
 	path = modules/metrics
 	url = https://github.com/tarantool/metrics.git
+[submodule "modules/luatest"]
+	path = modules/luatest
+	url = https://github.com/tarantool/luatest
diff --git a/Dockerfile b/Dockerfile
index 3ca0430e37..2ee53fed3b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,6 +9,8 @@ RUN apt update && apt install -y luarocks && \
 ADD https://api.github.com/repos/tarantool/LDoc/git/refs/heads/tarantool version.json
 RUN git clone https://github.com/tarantool/LDoc.git /usr/local/ldoc
 
+RUN luarocks install https://raw.githubusercontent.com/tarantool/LDoc/tarantool/ldoc-scm-2.rockspec
+
 RUN curl -L https://tarantool.io/installer.sh | bash
 
 RUN mkdir /doc
diff --git a/doc/reference/reference_rock/index.rst b/doc/reference/reference_rock/index.rst
index d0747a402d..fc0271d8c5 100644
--- a/doc/reference/reference_rock/index.rst
+++ b/doc/reference/reference_rock/index.rst
@@ -10,6 +10,6 @@ This reference covers third-party Lua modules for Tarantool.
     dbms
     expirationd
     membership
-    shard
     vshard/index
-    tdb
+    ../../book/cartridge/index
+    luatest/luatest_overview
diff --git a/doc/reference/reference_rock/luatest/luatest_overview.rst b/doc/reference/reference_rock/luatest/luatest_overview.rst
new file mode 100644
index 0000000000..09a3ec291e
--- /dev/null
+++ b/doc/reference/reference_rock/luatest/luatest_overview.rst
@@ -0,0 +1,11 @@
+**********************
+Luatest
+**********************
+
+More about Luatest API see :ref:`below <luatest-api>`.
+
+.. include:: README.rst
+
+.. _luatest-api:
+
+.. include:: index.rst
\ No newline at end of file
diff --git a/update_submodules.sh b/update_submodules.sh
index 747f9f184f..b7d0273bee 100755
--- a/update_submodules.sh
+++ b/update_submodules.sh
@@ -23,6 +23,14 @@ cartridge_cli_dest="${rst_dest}/cartridge_cli"
 cartridge_cli_index_dest="${cartridge_cli_dest}/index.rst"
 monitoring_root="${project_root}/modules/metrics/doc/monitoring"
 monitoring_dest="${project_root}/doc/book"
+luatest_root="${project_root}/modules/luatest/"
+luatest_dest="${project_root}/doc/reference/reference_rock/luatest"
+
+cd "${luatest_root}"
+ldoc --ext=rst --dir=rst --toctree="API" .
+cd "${luatest_dest}"
+yes | cp -fa "${luatest_root}/rst/." "${luatest_dest}"
+yes | cp "${luatest_root}/README.rst" "${luatest_dest}"
 
 mkdir -p "${monitoring_dest}"
 yes | cp -rf "${monitoring_root}" "${monitoring_dest}/"
@@ -31,12 +39,8 @@ mkdir -p "${cartridge_cli_dest}"
 yes | cp -rf "${cartridge_cli_root}/README.rst" "${cartridge_cli_index_dest}"
 
 cd "${cartridge_root}" || exit
-tarantoolctl rocks install \
-  https://raw.githubusercontent.com/tarantool/LDoc/tarantool/ldoc-scm-2.rockspec \
-  --server=http://rocks.moonscript.org
 CMAKE_DUMMY_WEBUI=true tarantoolctl rocks make
 
-
 cd "${rst_src}" || exit
 mkdir -p "${rst_dest}"
 find . -iregex '.*\.\(rst\|png\)$' -exec cp -r --parents {} "${rst_dest}" \;