diff --git a/docker/crypto-test/Dockerfile b/docker/crypto-test/Dockerfile
index 122ffa7..988a680 100644
--- a/docker/crypto-test/Dockerfile
+++ b/docker/crypto-test/Dockerfile
@@ -11,4 +11,4 @@ ADD docker/crypto-test/gen_testdata.sh .
 RUN ./gen_testdata.sh
 
 ADD ro_help/mobilpay mobilpay/
-RUN python3 -m mobilpay.mobilpay.test -v
+RUN pytest mobilpay/mobilpay/test.py -v
diff --git a/requirements-crypto-test.txt b/requirements-crypto-test.txt
index 928a148..00bc942 100644
--- a/requirements-crypto-test.txt
+++ b/requirements-crypto-test.txt
@@ -1,2 +1,3 @@
 -r requirements-crypto.txt
 requests==2.23.0
+pytest==5.4.1