diff --git a/Docker/tlmgrDeps.sh b/Docker/tlmgrDeps.sh
index f4ab3fb1ec9f0be8ce3d5566c878ee13b7b23fd9..940a069f6408fb102a4cff4ab602a0b9ecfe8448 100755
--- a/Docker/tlmgrDeps.sh
+++ b/Docker/tlmgrDeps.sh
@@ -7,6 +7,7 @@
 
 tlmgr install \
 latex-bin \
+l3packages \
 tools \
 fgruler bookcover \
 qrcode \