diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cc18ff1..c82ed4f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ image: blang/latex
 
 build:
   script:
-    - latexmk -pdf
+    - bash build_all.sh
   artifacts:
     paths:
-      - "*.pdf"
+      - "build/*.pdf"
diff --git a/build_all.sh b/build_all.sh
new file mode 100755
index 0000000..2fcac3b
--- /dev/null
+++ b/build_all.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+mkdir -p output
+find ./* -maxdepth 1 -mindepth 1 -type f -name "*.tex" \
+     -not -name "settings.tex" \
+     -not -name "SSxx Klausurvorlage.tex" \
+     -not -name "klausuren-Settings-utf8.tex" \
+     -print0 | \
+    xargs -0 -P 4 -I [] bash -c 'cd "$(dirname "[]")"; latexmk -pdf -outdir=../output "$(basename "[]")";'