diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5f44c02e..018483e4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,29 +7,43 @@ R 3:
     image: rocker/r-ver:3 # test on R v3.*.*
     allow_failure: true
     script:
-    - apt-get update
-    # install dependencies for package
-    - apt-get install --yes --no-install-recommends libxml2-dev libssl-dev libcurl4-openssl-dev zlib1g-dev
-    - Rscript -e 'install.packages(c("devtools", "rlang"))'
-    - Rscript -e 'devtools::install_dev_deps(repos = "https://cran.rstudio.com")'
-    # remove vignettes folder and get VignetteBuilder field out of DESCRIPTION file
-    - rm -rf vignettes
-    - Rscript -e 'd <- read.dcf("DESCRIPTION"); d[, colnames(d) == "VignetteBuilder"] <- NA; write.dcf(d, "DESCRIPTION")'
-    # set environmental variable
-    - Rscript -e 'Sys.setenv(NOT_CRAN = "true")'
-    # build package
-    - R CMD build . --no-build-vignettes --no-manual
-    - PKG_FILE_NAME=$(ls -1t *.tar.gz | head -n 1)
-    - R CMD check "${PKG_FILE_NAME}" --no-build-vignettes --no-manual --as-cran
-    # code coverage
-    - apt-get install --yes git
-    - Rscript -e 'cc <- covr::package_coverage(); covr::codecov(coverage = cc, token = "50ffa0aa-fee0-4f8b-a11d-8c7edc6d32ca"); cat("Code coverage:", covr::percent_coverage(cc))'
+      - apt-get update
+      # install dependencies for package
+      - apt-get install --yes --no-install-recommends libxml2-dev libssl-dev libcurl4-openssl-dev zlib1g-dev
+      - Rscript -e 'install.packages(c("devtools", "rlang"))'
+      - Rscript -e 'devtools::install_dev_deps(repos = "https://cran.rstudio.com")'
+      # remove vignettes folder and get VignetteBuilder field out of DESCRIPTION file
+      - rm -rf vignettes
+      - Rscript -e 'd <- read.dcf("DESCRIPTION"); d[, colnames(d) == "VignetteBuilder"] <- NA; write.dcf(d, "DESCRIPTION")'
+      # set environmental variable
+      - Rscript -e 'Sys.setenv(NOT_CRAN = "true")'
+      # build package
+      - R CMD build . --no-build-vignettes --no-manual
+      - PKG_FILE_NAME=$(ls -1t *.tar.gz | head -n 1)
+      - R CMD check "${PKG_FILE_NAME}" --no-build-vignettes --no-manual --as-cran
+      # code coverage
+      - apt-get install --yes git
+      - Rscript -e 'cc <- covr::package_coverage(); covr::codecov(coverage = cc, token = "50ffa0aa-fee0-4f8b-a11d-8c7edc6d32ca"); cat("Code coverage:", covr::percent_coverage(cc))'
     coverage: '/Code coverage: \d+\.\d+/'
     artifacts:
       paths:
-      - '*.Rcheck/*.log'
-      - '*.Rcheck/*.out'
-      - '*.Rcheck/*.fail'
-      - '*.Rcheck/*.Rout'
+        - '*.Rcheck/*.log'
+        - '*.Rcheck/*.out'
+        - '*.Rcheck/*.fail'
+        - '*.Rcheck/*.Rout'
       name: 'Rcheck log'
       expire_in: '1 month'
+
+before_script:
+  image: debian:buster-slim
+  script:
+    - apt-get update && apt-get -y install pandoc r-base
+    - Rscript -e "install.packages('pkgdown', repos = 'http://cran.rstudio.com')"
+
+pages:
+    - R -e "pkgdown::build_site()"
+  artifacts:
+    paths:
+      - public
+  only:
+    - master