diff --git a/tests/tests.yml b/tests/tests.yml
index 16696b5..ff92c44 100644
--- a/tests/tests.yml
+++ b/tests/tests.yml
@@ -16,12 +16,12 @@
     - python3-pytest
     tests:
     - unittests-pyasn1:
-        dir: "source/pyasn1-0.4.8"
+        dir: "source/pyasn1-0.5.1"
         run: >-
             rm -rf pyasn1* &&
             pytest-3 tests/
     - unittests-pyasn1-modules:
-        dir: "source/pyasn1-modules-0.4.8"
+        dir: "source/pyasn1-modules-0.5.1"
         run: >-
             rm -rf pyasn1_modules* &&
             pytest-3 tests/