only pin minimum versions of core requirements. (#41)

ctalkington · web-flow · commit 59577c789d48 · 2020-07-29T19:53:43.000-05:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,2 +1,2 @@
-aiohttp==3.6.2
-yarl==1.4.2
+aiohttp>=3.6.2
+yarl>=1.4.2
