diff --git a/requirements.txt b/requirements.txt
index 19ebbc5..a14bb67 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,10 +6,10 @@ scikit-learn~=1.0.2
 imblearn~=0.0
 deap~=1.3.3
 bitarray~=2.7.3
-sphinx
+sphinx~=4.5
 furo
 sphinx_rtd_theme
 sphinx_material
 category_encoders
 scikit-multilearn~=0.2.0
-arff~=0.9
\ No newline at end of file
+arff~=0.9