diff --git a/requirements.txt b/requirements.txt
index 94b5eb6..acd5794 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,5 +7,5 @@ PyWavelets>=0.5.2
 scikit-image>=0.14.2
 sphinx>=1.4.3 
 matplotlib
-pytest
+pytest==8.3.3
 dask>=1.1.1