diff --git a/octis/models/contextualized_topic_models/requirements.txt b/octis/models/contextualized_topic_models/requirements.txt
index 8c57c48f..3a81e4a4 100644
--- a/octis/models/contextualized_topic_models/requirements.txt
+++ b/octis/models/contextualized_topic_models/requirements.txt
@@ -1,4 +1,4 @@
-numpy==1.19.1
+numpy==1.21.0
 torchvision==0.7.0
 torch>=1.6.0
 gensim>=3.8.3