diff --git a/conf/app.src b/conf/app.src
index 129ea79..9ef0ec0 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,3 +1,3 @@
-SOURCE_URL=https://github.com/janeczku/calibre-web/releases/download/0.6.19/calibre-web-0.6.19.zip
-SOURCE_SUM=fbb0b328dcba04d895a717c61af181897bf9ef081f1a3cf52a7223b1bbbfb015
+SOURCE_URL=https://github.com/janeczku/calibre-web/releases/download/0.6.20/calibre-web-0.6.20.zip
+SOURCE_SUM=2f1f8a5ae06f182986193a90796fa96a7b0b5c61fdd29971969b49245b1aaf24
 SOURCE_FORMAT=zip