--- a/setup.py
+++ b/setup.py
@@ -21,9 +21,9 @@
     install_requires=[
         "python-dateutil",
         # FIXME python2 - last version to support python2
-        "construct==2.10.68",
+        "construct",
         "argon2_cffi",
-        "pycryptodomex>=3.6.2",
+        "pycryptodomex",
         "lxml",
         # FIXME python2
         "future",