diff --git a/test/end-to-end-tests/synapse/install.sh b/test/end-to-end-tests/synapse/install.sh
index 077258072c..161709cac1 100755
--- a/test/end-to-end-tests/synapse/install.sh
+++ b/test/end-to-end-tests/synapse/install.sh
@@ -2,7 +2,7 @@
 set -e
 
 # config
-SYNAPSE_BRANCH=develop
+SYNAPSE_BRANCH=release-v1.47
 INSTALLATION_NAME=consent
 SERVER_DIR=installations/$INSTALLATION_NAME
 CONFIG_TEMPLATE=consent