diff --git a/.github/workflows/harness.yml b/.github/workflows/harness.yml
index b26b3cc6..8d6b624f 100644
--- a/.github/workflows/harness.yml
+++ b/.github/workflows/harness.yml
@@ -112,7 +112,7 @@ jobs:
       - name: Install LaTeX deps
         # This is done late because caching would not benefit compared to
         # installation through apk (1,5G upload is slow)
-        run: sudo apk add texlive-xetex texmf-dist-latexextra texmf-dist-binextra texmf-dist-pictures font-dejavu groff
+        run: sudo apk add texlive-xetex texmf-dist-latexextra texmf-dist-binextra texmf-dist-pictures texmf-dist-fontsrecommended font-dejavu groff
       - name: Build Catala extra docs
         run: |
           cd ~/catala
diff --git a/doc/syntax/syntax_en.tex b/doc/syntax/syntax_en.tex
index 65af10d4..70409d1f 100644
--- a/doc/syntax/syntax_en.tex
+++ b/doc/syntax/syntax_en.tex
@@ -18,11 +18,13 @@
 \usepackage[a4paper,landscape,margin=1cm,includehead,headsep=2ex,nofoot]{geometry}
 \usepackage{fancyhdr}
 \usepackage{array}
-\usepackage[none]{hyphenat}
 \usepackage[document]{ragged2e}
 
 \usemintedstyle{tango}
 
+\hyphenpenalty=10000
+\exhyphenpenalty=10000
+
 \setsansfont{DejaVu Sans}[Scale=0.9]
 \setmonofont{DejaVu Sans Mono}[Scale=0.9]
 
diff --git a/doc/syntax/syntax_fr.tex b/doc/syntax/syntax_fr.tex
index fd3efc18..45155999 100644
--- a/doc/syntax/syntax_fr.tex
+++ b/doc/syntax/syntax_fr.tex
@@ -18,11 +18,13 @@
 \usepackage[a4paper,landscape,margin=1cm,includehead,headsep=2ex,nofoot]{geometry}
 \usepackage{fancyhdr}
 \usepackage{array}
-\usepackage[none]{hyphenat}
 \usepackage[document]{ragged2e}
 
 \usemintedstyle{tango}
 
+\hyphenpenalty=10000
+\exhyphenpenalty=10000
+
 \setsansfont{DejaVu Sans}[Scale=0.9]
 \setmonofont{DejaVu Sans Mono}[Scale=0.9]