diff --git a/requirements-py2.txt b/requirements-py2.txt
index 42e057417..2a0bb49d3 100644
--- a/requirements-py2.txt
+++ b/requirements-py2.txt
@@ -16,4 +16,4 @@ service_identity>=16.0.0
 six>=1.10.0
 Twisted>=16.0.0
 zope.interface>=4.1.3
-pathlib2>=2.0
+pathlib==1.0.1
diff --git a/requirements-py3.txt b/requirements-py3.txt
index 77296b91b..c57cff5da 100644
--- a/requirements-py3.txt
+++ b/requirements-py3.txt
@@ -16,4 +16,4 @@ lxml>=3.5.0
 service_identity>=16.0.0
 six>=1.10.0
 zope.interface>=4.1.3
-pathlib2>=2.0
+pathlib==1.0.1