diff --git a/snapcraft.yaml b/snapcraft.yaml
index 11c9022bc..65258f294 100644
--- a/snapcraft.yaml
+++ b/snapcraft.yaml
@@ -128,6 +128,8 @@ parts:
     build-environment: *build-environment
     build-packages:
       - cmark
+      - docbook-xml
+      - docbook-xsl
       - duktape-dev
       - libcmark-dev
       - libsqlite3-dev