diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8c5fb9ced4f5fac929f947e5138d2b1f6c5ddb95..b448cf4f6eadc3ffa9116eec4dd627198d691b6e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,6 @@
 stages:
   - check
+  - build
   - deploy
 
 variables:
@@ -12,6 +13,13 @@ check:
   tags:
     - pandoc
 
+build:
+  stage: build
+  script:
+    - make
+  tags:
+    - pandoc
+
 deploy:
   stage: deploy
   script:
diff --git a/Makefile b/Makefile
index 59a5cb740eb8aab75fad82ff78bdca15a6724d26..aeb9510c31621c6a505e9fe63cbdc8634016f383 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,7 @@ TITLE = title
 PANDOC = pandoc
 
 PANDOCFLAGS = \
+	--fail-if-warnings \
 	--standalone \
 	--filter pandoc-citeproc \
 	--pdf-engine=xelatex \