1 files changed, 5 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index bddbd24..82a693a 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,11 @@ REQUIRED = [
     "unidecode>=1.1",
     "titlecase>=0.12",
     "PyPDF2>=1.26",
-    "regex>=2018.11"
+    "regex>=2018.11",
+    "readability-lxml>=0.7.1",
+    "html2text>=2020.1.16",
+    "weasyprint>=51",
+    "markdown>=3.1.1"
 ]
 
 docs_require = []