diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0f89026..5701794 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -47,7 +47,13 @@ jobs:
       
       - uses: r-lib/actions/setup-tinytex@v1
       - run: tlmgr --version
-        
+
+      - name: add more tex pkgs
+        run: |
+          install.packages('tinytex')
+          tinytex:::install_yihui_pkgs()
+        shell: Rscript {0}
+
       - name: set token for cytoinstaller(and remotes) to increase github API rate limit
         env:
           SUPER_SECRET: ${{ secrets.CYTOINSTALLER_TOKEN }}