diff --git a/github_workflow_build.yml.template b/github_workflow_build.yml.template
index 4549124..7a87ec0 100644
--- a/github_workflow_build.yml.template
+++ b/github_workflow_build.yml.template
@@ -29,7 +29,7 @@ jobs:
       run: |
         sudo apt update
         sudo apt install texlive-latex-base texlive-latex-recommended \
-                         texlive-latex-extra texlive-fonts-recommended
+                         texlive-latex-extra texlive-fonts-recommended \
                          pdftk xsltproc latexmk cm-super
 
     - name: Build the document
diff --git a/github_workflow_preview.yml.template b/github_workflow_preview.yml.template
index 68701a2..f1c9d8f 100644
--- a/github_workflow_preview.yml.template
+++ b/github_workflow_preview.yml.template
@@ -31,7 +31,7 @@ jobs:
     - name: Setup dependencies
       run: |
         sudo apt install texlive-latex-base texlive-latex-recommended \
-                         texlive-latex-extra texlive-fonts-recommended
+                         texlive-latex-extra texlive-fonts-recommended \
                          pdftk xsltproc latexmk cm-super
 
     - name: Build the document