diff --git a/benchmark/over_time.py b/benchmark/over_time.py
index 1b4e0cd6c..c74593499 100644
--- a/benchmark/over_time.py
+++ b/benchmark/over_time.py
@@ -32,8 +32,8 @@ def plot_over_time(yaml_file):
         ax.annotate(model, (dates[i], pass_rates[i]), fontsize=12, alpha=0.75,
                     xytext=(5, 5), textcoords='offset points')
 
-    ax.set_xlabel('Model release date')
-    ax.set_ylabel('Aider code editing benchmark,\npercent completed correctly')
+    ax.set_xlabel('Model release date', fontsize=14)
+    ax.set_ylabel('Aider code editing benchmark,\npercent completed correctly', fontsize=14)
     ax.set_title('LLM code editing skill by model release date')
     plt.tight_layout()
     plt.savefig("tmp_over_time.png")