diff --git a/conf/app.src b/conf/app.src
index 153b1ed..0b8cbc3 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
 SOURCE_URL=https://github.com/bookwyrm-social/bookwyrm/archive/refs/tags/v0.5.4.tar.gz
-SOURCE_SUM=2DAFDCF26DE6C041611D16ED48B751CF8D4DFBEE1F5CF4AA5975592BC080261D
+SOURCE_SUM=2dafdcf26de6c041611d16ed48b751cf8d4dfbee1f5cf4aa5975592bc080261d
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
\ No newline at end of file