diff --git a/conf/app.src b/conf/app.src
index 3d35992..cad7801 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,6 +1,7 @@
-SOURCE_URL=https://github.com/audreyt/ethercalc/archive/0.20170704.0.tar.gz
-SOURCE_SUM=09d85c780c142c4a1c2c6099f52b8660b5f788c40b6f5d7bd37f0acfdf15b098
+SOURCE_URL=https://github.com/audreyt/ethercalc/archive/b196277081d677be991d104e454a52d242ef0189.tar.gz
+SOURCE_SUM=eaf1b7def67ebf1160d93e403a3930381e99a60f4768809bab653d1c9af26936
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
 SOURCE_FILENAME=
+