diff --git a/python/test/files/update_expectations.sh b/python/test/files/update_expectations.sh
index 3e8d1003..d9670b6c 100755
--- a/python/test/files/update_expectations.sh
+++ b/python/test/files/update_expectations.sh
@@ -2,9 +2,9 @@
 
 base=$(dirname "$0")
 
-python $base/../test_junit.py
-python $base/../test_nunit.py
-python $base/../test_xunit.py
-python $base/../test_trx.py
-python $base/../test_mocha.py
-python $base/../test_dart.py
+python3 $base/../test_junit.py
+python3 $base/../test_nunit.py
+python3 $base/../test_xunit.py
+python3 $base/../test_trx.py
+python3 $base/../test_mocha.py
+python3 $base/../test_dart.py