diff --git a/.github/workflows/test_and_publish.yml b/.github/workflows/test_and_publish.yml
index 1949226..49db011 100644
--- a/.github/workflows/test_and_publish.yml
+++ b/.github/workflows/test_and_publish.yml
@@ -47,7 +47,7 @@ jobs:
         - linux: py39-test-mpl33-pytest62
         # Test oldest non-SPEC 0 configurations
         - linux: py39-test-mpl33
-        - macos: py39-test-mpl33
+        - macos: py39-test-mpl35
         - windows: py39-test-mpl33
       coverage: 'codecov'
 
diff --git a/tox.ini b/tox.ini
index cff7325..db1b7d2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,6 +31,7 @@ deps =
     mpl33: numpy<2
     mpl34: matplotlib==3.4.*
     mpl35: matplotlib==3.5.*
+    mpl35: numpy<2
     mpl36: matplotlib==3.6.*
     mpl37: matplotlib==3.7.*
     mpl38: matplotlib==3.8.*