diff --git a/requirements.txt b/requirements.txt
index c3a78ae..b6b8926 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,5 @@
 icalendar==4.0.2
+Markdown==2.6.11
+pelican==3.7.1
+beautifulsoup4==4.6.3
+html5lib==1.0.1
\ No newline at end of file