diff --git a/t/80_complex.t b/t/80_complex.t
index e9bd5aea5..901d04a18 100644
--- a/t/80_complex.t
+++ b/t/80_complex.t
@@ -8,7 +8,9 @@ latexml_tests("t/complex",
   requires => {
     cleveref_minimal => 'cleveref.sty',
     figure_dual_caption => {packages => 'graphicx.sty', texlive_min => 2021},
-    figure_mixed_content => {packages => 'graphicx.sty', texlive_min => 2021},
-    si               => {
+    figure_mixed_content => {
+      packages => ['algorithm.sty','algorithmic.sty','graphicx.sty','ifthen.sty','keyval.sty'], 
+      texlive_min => 2021},
+    si => {
       env=>'CI', # only runs in continuous integration
       packages => 'siunitx.sty', texlive_min => 2015 } });