update dependencies

setup.cfg

@@ -16,7 +16,10 @@ classifiers =
 [options]
 python_requires = >= 3.6
 install_requires =
-    datalad >= 0.15
+    appdirs
+    click
+    dataclasses
+    fasteners
 test_requires =
     nose
     coverage

setup.py

@@ -40,6 +40,9 @@ setuptools.setup(
         ]
     },
     install_requires=[
-        "dataclasses"
+        "appdirs",
+        "click",
+        "dataclasses",
+        "fasteners"
     ]
 )