diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 73b5d3a..1b76f9e 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -113,13 +113,22 @@ jobs:
           name: CTAN-${{ matrix.engine }}
           path: '*.tar.gz'
 
+      # pkgcheck required pdfinfo, which is contained in poppler-utils
+      - name: Prepare pkgcheck
+        uses: awalsh128/cache-apt-pkgs-action@latest
+        with:
+          packages: poppler-utils
+          version: 1.0
+
       - name: pkgcheck
         if: matrix.engine != 'lualatex'
         run: |
-          wget https://codeberg.org/ManfredLotz/pkgcheck/raw/branch/master/bin/pkgcheck
+          wget -q https://codeberg.org/ManfredLotz/pkgcheck/raw/branch/master/bin/pkgcheck
           chmod u+x pkgcheck
-          # blocked by https://codeberg.org/ManfredLotz/pkgcheck/issues/9
-          # ./pkgcheck lni.tar.gz
+
+          cd /tmp
+          tar xzf ${{ github.workspace }}/lni.tar.gz
+          RUST_BACKTRACE=1 ${{ github.workspace }}/pkgcheck -d lni
 
   changelog:
     name: CHANGELOG.md
diff --git a/prepare_for_CTAN b/prepare_for_CTAN
index 2a3cdab..d510c53 100755
--- a/prepare_for_CTAN
+++ b/prepare_for_CTAN
@@ -11,6 +11,4 @@ if [ -f lni.tar.gz ]; then
    echo "Remove old archive"
    rm lni.tar.gz
 fi
-rm -f lni-instructions.pdf
-ln -s -f lni.pdf lni-instructions.pdf
-ctanify --no-tds lni.ins lni.pdf README.md CHANGELOG.md CONTRIBUTING.md "lni-instructions.pdf=doc/latex/lni" "lni-author-template.tex=doc/latex/lni" "lni-paper-example-de.tex=doc/latex/lni" "lni-paper-example-de.bib=doc/latex/lni"
+ctanify --no-tds lni.ins lni.pdf README.md CHANGELOG.md CONTRIBUTING.md