diff --git a/tests/test_momentum_indicators.py b/tests/test_momentum_indicators.py
index 5afedea..7e0789f 100644
--- a/tests/test_momentum_indicators.py
+++ b/tests/test_momentum_indicators.py
@@ -6,6 +6,7 @@
 from finquant.momentum_indicators import mpl_macd
 from finquant.momentum_indicators import relative_strength_index as rsi
 
+plt.close("all")
 plt.switch_backend("Agg")