diff --git a/requirements.txt b/requirements.txt
index 9e0e020..384d3bd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-python-dateutil~=2.8.1
-requests~=2.24.0
-python-slugify~=4.0.1
-testtools==2.4.0
+python-dateutil>=2.8.1
+requests>=2.24.0
+python-slugify>=4.0.1
+testtools>=2.4.0