diff --git a/.github/workflows/macos.sh b/.github/workflows/macos.sh
index 34e25997..7bc16cd1 100755
--- a/.github/workflows/macos.sh
+++ b/.github/workflows/macos.sh
@@ -10,4 +10,4 @@ mamba env create -f /tmp/environment.yml
 conda activate $(yq -r .name environment.yml)
 export MACOSX_DEPLOYMENT_TARGET=10.9
 pip install --no-use-pep517 --no-deps --disable-pip-version-check -e .
-pytest tests --doctest-modules src/
+pytest tests -m "not high_memory" --doctest-modules src/
diff --git a/.github/workflows/tests-win-main.yml b/.github/workflows/tests-win-main.yml
index 52f118f6..bae8e517 100644
--- a/.github/workflows/tests-win-main.yml
+++ b/.github/workflows/tests-win-main.yml
@@ -34,4 +34,4 @@ jobs:
         shell: pwsh
         run: |
           python -m pip install -e . --no-deps -vv --no-use-pep517 --disable-pip-version-check
-          pytest tests --doctest-modules src/
+          pytest tests -m "not high_memory" --doctest-modules src/
diff --git a/.github/workflows/tests-win.yml b/.github/workflows/tests-win.yml
index 8a1b2746..62447bc5 100644
--- a/.github/workflows/tests-win.yml
+++ b/.github/workflows/tests-win.yml
@@ -39,4 +39,4 @@ jobs:
         shell: pwsh
         run: |
           python -m pip install -e . --no-deps -vv --no-use-pep517 --disable-pip-version-check
-          pytest tests --doctest-modules src/
+          pytest tests -m "not high_memory" --doctest-modules src/