diff --git a/Gallery/Contours/NCL_coneff_8.py b/Gallery/Contours/NCL_coneff_8.py
index 45187c225..1dc423177 100644
--- a/Gallery/Contours/NCL_coneff_8.py
+++ b/Gallery/Contours/NCL_coneff_8.py
@@ -96,7 +96,6 @@
           (-25, 42000), (18, 23000), (30, 40000), (45, 40000), (57, 41000),
           (63, 39000), (55, 80000), (65, 85000)]
 clabels = ax1.clabel(contours,
-                     levels=np.arange(0, 25, 8),
                      fontsize=12,
                      colors="black",
                      fmt="%.0f",
diff --git a/conda_environment.yml b/conda_environment.yml
index 4ab31ed5c..79a0f32df 100644
--- a/conda_environment.yml
+++ b/conda_environment.yml
@@ -17,7 +17,7 @@ dependencies:
   - geographiclib
   - jupyterlab
   - make
-  - matplotlib<3.8
+  - matplotlib
   - metpy
   - mock
   - nbsphinx