diff --git a/.github/workflows/buildlatex.yml b/.github/workflows/buildlatex.yml
index 5ca9404..9f793bc 100644
--- a/.github/workflows/buildlatex.yml
+++ b/.github/workflows/buildlatex.yml
@@ -19,7 +19,7 @@ jobs:
           root_file: DynamicalBook.tex
           working_directory: book
           args: -pdf -latexoption=-file-line-error -latexoption=-interaction=nonstopmode -latexoption=-shell-escape
-          extra_system_packages: python-pygments
+          extra_system_packages: python3-pygments
 
       - name: Get version from tag
         id: get_version