diff --git a/ci/build.linux.gitlab-ci.yml b/ci/build.linux.gitlab-ci.yml
index e5eae5b2b..be6ab45ca 100644
--- a/ci/build.linux.gitlab-ci.yml
+++ b/ci/build.linux.gitlab-ci.yml
@@ -97,6 +97,16 @@ build:linux:cross:x86-64:clang-12:avx512dq:
   variables:
     EIGEN_CI_ADDITIONAL_ARGS: "-DEIGEN_TEST_AVX512DQ=on"
 
+build:linux:doc:
+  extends: .build:linux:cross
+  variables:
+    EIGEN_CI_TARGET_ARCH: any
+    EIGEN_CI_BUILD_TARGET: doc
+    EIGEN_CI_INSTALL: ca-certificates clang flex python3 bison
+    EIGEN_CI_C_COMPILER: clang
+    EIGEN_CI_CXX_COMPILER: clang++
+    EIGEN_CI_BEFORE_SCRIPT: ". ci/scripts/build_and_install_doxygen.sh Release_1_13_2"
+
 # # Sanitizers (Disabled because ASAN hangs and MSAN requires instrumented libc++)
 # build:linux:cross:x86-64:clang-12:default:asan:
 #   extends: build:linux:cross:x86-64:clang-12:default
diff --git a/ci/deploy.gitlab-ci.yml b/ci/deploy.gitlab-ci.yml
index e65395adf..32c6d93cb 100644
--- a/ci/deploy.gitlab-ci.yml
+++ b/ci/deploy.gitlab-ci.yml
@@ -14,3 +14,24 @@ deploy:tag:nightly:
   rules:
     - if: $CI_PIPELINE_SOURCE == "schedule" && $CI_PROJECT_NAMESPACE == "libeigen"
     - if: $CI_PIPELINE_SOURCE == "web" && $CI_PROJECT_NAMESPACE == "libeigen"
+
+ # Upload docs if pipeline succeeded.
+deploy:doc:nightly:
+  stage: deploy
+  image: busybox
+  dependencies: [ build:linux:doc ]
+  script:
+    - mv ${EIGEN_CI_BUILDDIR}/doc/html public
+  pages:
+    path_prefix: doc-nightly
+    expire_in: never
+  artifacts:
+    name: "$CI_JOB_NAME_SLUG-$CI_COMMIT_REF_SLUG"
+    paths:
+      - public/
+  tags:
+    - linux
+    - eigen-runner
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "schedule" && $CI_PROJECT_NAMESPACE == "libeigen"
+    - if: $CI_PIPELINE_SOURCE == "web" && $CI_PROJECT_NAMESPACE == "libeigen"
diff --git a/ci/scripts/build_and_install_doxygen.sh b/ci/scripts/build_and_install_doxygen.sh
new file mode 100644
index 000000000..9cb47b760
--- /dev/null
+++ b/ci/scripts/build_and_install_doxygen.sh
@@ -0,0 +1,6 @@
+git clone --depth 1 --branch $1 https://github.com/doxygen/doxygen.git
+cmake -B doxygen/.build -G Ninja                                 \
+  -DCMAKE_CXX_COMPILER=${EIGEN_CI_CXX_COMPILER}                  \
+  -DCMAKE_C_COMPILER=${EIGEN_CI_C_COMPILER}                      \
+  doxygen
+cmake --build doxygen/.build -t install
diff --git a/ci/scripts/common.linux.before_script.sh b/ci/scripts/common.linux.before_script.sh
index 509bffa9b..622e62f6f 100644
--- a/ci/scripts/common.linux.before_script.sh
+++ b/ci/scripts/common.linux.before_script.sh
@@ -21,7 +21,7 @@ apt-get install -y --no-install-recommends ninja-build cmake git > /dev/null
 # Install required dependencies and set up compilers.
 # These are required even for testing to ensure that dynamic runtime libraries
 # are available.
-if [[ "$ARCH" == "${EIGEN_CI_TARGET_ARCH}" ]]; then
+if [[ "$ARCH" == "${EIGEN_CI_TARGET_ARCH}" || "${EIGEN_CI_TARGET_ARCH}" == "any" ]]; then
   apt-get install -y --no-install-recommends ${EIGEN_CI_INSTALL} > /dev/null;
   export EIGEN_CI_CXX_IMPLICIT_INCLUDE_DIRECTORIES="";
   export EIGEN_CI_CXX_COMPILER_TARGET="";