diff --git a/.github/workflows/linux_meson.yml b/.github/workflows/linux_meson.yml
index 8ef0e5752119..b489c9e3f12f 100644
--- a/.github/workflows/linux_meson.yml
+++ b/.github/workflows/linux_meson.yml
@@ -68,5 +68,6 @@ jobs:
         TERM: xterm-256color
         LD_LIBRARY_PATH: "/usr/local/lib/"  # to find libopenblas.so.0
       run: |
+        export NPY_RUN_MYPY_IN_TESTSUITE=1
         pip install pytest pytest-xdist hypothesis typing_extensions
         spin test -j auto