diff --git a/tests/unit/app-json.bats b/tests/unit/app-json.bats
index 3db220920..acdd54854 100644
--- a/tests/unit/app-json.bats
+++ b/tests/unit/app-json.bats
@@ -99,7 +99,7 @@ teardown() {
   echo "status: $status"
   assert_success
 
-  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP add_requirements_txt
+  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP add_requirements_txt_cnb
   echo "output: $output"
   echo "status: $status"
   assert_success
diff --git a/tests/unit/ps-cnb.bats b/tests/unit/ps-cnb.bats
index 61dc10ba8..c24044428 100644
--- a/tests/unit/ps-cnb.bats
+++ b/tests/unit/ps-cnb.bats
@@ -22,7 +22,7 @@ teardown() {
   echo "status: $status"
   assert_success
 
-  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP add_requirements_txt
+  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP add_requirements_txt_cnb
   echo "output: $output"
   echo "status: $status"
   assert_success
diff --git a/tests/unit/run_1.bats b/tests/unit/run_1.bats
index f84d9c0af..91574f126 100644
--- a/tests/unit/run_1.bats
+++ b/tests/unit/run_1.bats
@@ -73,7 +73,7 @@ teardown() {
   echo "status: $status"
   assert_success
 
-  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP add_requirements_txt
+  run deploy_app python dokku@$DOKKU_DOMAIN:$TEST_APP add_requirements_txt_cnb
   echo "output: $output"
   echo "status: $status"
   assert_success
diff --git a/tests/unit/test_helper.bash b/tests/unit/test_helper.bash
index 188b4ab69..60b4e522c 100644
--- a/tests/unit/test_helper.bash
+++ b/tests/unit/test_helper.bash
@@ -587,6 +587,15 @@ add_requirements_txt() {
   echo "flask" >>"$APP_REPO_DIR/requirements.txt"
 }
 
+add_requirements_txt_cnb() {
+  local APP="$1"
+  local APP_REPO_DIR="$2"
+  [[ -z "$APP" ]] && local APP="$TEST_APP"
+
+  mv "$APP_REPO_DIR/app-cnb.json" "$APP_REPO_DIR/app.json"
+  add_requirements_txt "$APP" "$APP_REPO_DIR"
+}
+
 create_network() {
   local NETWORK_NAME="${1:-$TEST_NETWORK}"