diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 50ef236..32e327a 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -67,7 +67,7 @@ jobs:
           set -e
           python3 -m venv .venv
           source .venv/bin/activate
-          pip install roaring_landmask --find-links dist --force-reinstall
+          pip install roaring_landmask --no-index --find-links dist --force-reinstall
           pip install pytest pytest-benchmark numpy shapely
           pytest
       - name: pytest
@@ -144,7 +144,7 @@ jobs:
             python3 -m virtualenv .venv
             source .venv/bin/activate
             pip install pytest pytest-benchmark numpy shapely
-            pip install roaring_landmask --find-links dist --force-reinstall
+            pip install roaring_landmask --no-index --find-links dist --force-reinstall
             pytest
 
   windows:
@@ -180,7 +180,7 @@ jobs:
           set -e
           python3 -m venv .venv
           source .venv/Scripts/activate
-          pip install roaring_landmask --find-links dist --force-reinstall
+          pip install roaring_landmask --no-index --find-links dist --force-reinstall
           pip install pytest pytest-benchmark numpy shapely
           pytest
 
@@ -214,7 +214,7 @@ jobs:
           set -e
           python3 -m venv .venv
           source .venv/bin/activate
-          pip install roaring_landmask --find-links dist --force-reinstall
+          pip install roaring_landmask --no-index --find-links dist --force-reinstall
           pip install pytest pytest-benchmark numpy shapely
           pytest