diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 54b976e3..d7b1772a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -38,7 +38,8 @@ jobs:
     - name: Setup 
       run: |
           #choco --yes install winfsp
-          py -m pip install --only-binary :all: greenlet
+          py -m pip install --only-binary :all: greenlet==2.0.2
+          py -m pip install --only-binary :all: eventlet==0.33.3 
           py -m pip install -U pytest 
           py -m pip install -U -r requirements.txt