diff --git a/requirements/dev.yml b/requirements/dev.yml
index a76685e..bfb4229 100644
--- a/requirements/dev.yml
+++ b/requirements/dev.yml
@@ -3,7 +3,7 @@ channels:
   - conda-forge
   - nodefaults
 dependencies:
-  - matplotlib
+  - matplotlib>=3.10
   - numpy
   - scipy
   - pip
diff --git a/tephi/tests/results/imagerepo.json b/tephi/tests/results/imagerepo.json
index b039ed0..4ca6c2b 100644
--- a/tephi/tests/results/imagerepo.json
+++ b/tephi/tests/results/imagerepo.json
@@ -69,6 +69,7 @@
         "https://scitools.github.io/test-tephi-imagehash/images/e161999996c76677c998330ec65a4c63c731ce4c8cde4d9b3c24399961b3b3a6.png"
     ],
     "test_tephigram.TestTephigramPlot.test_plot_temps_label.0": [
-        "https://scitools.github.io/test-tephi-imagehash/images/e9699f1992c76636cd9e3326c65a6cc3c730ce6f9c9869333824321961b3b786.png"
+        "https://scitools.github.io/test-tephi-imagehash/images/e9699f1992c76636cd9e3326c65a6cc3c730ce6f9c9869333824321961b3b786.png",
+        "https://scitools.github.io/test-tephi-imagehash/images/e9699e1992cf6636cd9a3326c65a6cc3c730ce6f9c98693338243e1961b3b586.png"
     ]
 }
\ No newline at end of file