diff --git a/generate_plot.py b/generate_plot.py
index a1f74ae..dea35b6 100755
--- a/generate_plot.py
+++ b/generate_plot.py
@@ -11,6 +11,7 @@ def generate_plot(data: list, label: str, file_name: str):
     plt.plot(data)
     plt.ylabel(label)
     plt.savefig(file_name)
+    plt.close()
 
 
 if __name__ == '__main__':