diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fd3a26b..cd2ba29 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -130,7 +130,7 @@ jobs:
             -c https://repo.mamba.pm/emscripten-forge \
             -c https://repo.mamba.pm/conda-forge \
             --yes \
-            python pytest exceptiongroup
+            python "pytest==7.1.1" exceptiongroup
 
       - name: Test in browser-main-no-numpy
         run: |