diff --git a/conf/app.src b/conf/app.src
index cdd8441..754d316 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
 SOURCE_URL=https://github.com/kanboard/kanboard/archive/refs/tags/v1.2.21.tar.gz
-SOURCE_SUM=95b542d63f7cafcc79d76493d184e4f65110fb6294816fa1550a4b34ae65da0b
+SOURCE_SUM=5ae2dc9591b7223eba5b83e4ae8855a806b6be3c7b78bb92093632f2e6572f97
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true