diff --git a/algorand/runPythonUnitTests.sh b/algorand/runPythonUnitTests.sh
index 73f3eabf8a..0ab200ab5b 100755
--- a/algorand/runPythonUnitTests.sh
+++ b/algorand/runPythonUnitTests.sh
@@ -11,6 +11,7 @@ fi
 sed -i -e 's@export ALGOD_URL=""@export ALGOD_URL="https://github.com/algorand/go-algorand"@' \
        -e 's/export ALGOD_CHANNEL="stable"/export ALGOD_CHANNEL=""/'   \
        -e 's/export ALGOD_BRANCH=""/export ALGOD_BRANCH="v3.16.2-stable"/'   \
+       -e 's/export INDEXER_BRANCH="master"/export INDEXER_BRANCH="2.15.4"/'   \
        -e 's/export INDEXER_ENABLE_ALL_PARAMETERS="false"/export INDEXER_ENABLE_ALL_PARAMETERS="true"/'  _sandbox/config.dev
 
 cd _sandbox