diff --git a/experiments/causal-discovery/requirements.txt b/experiments/causal-discovery/requirements.txt
index 524d4b2..606e1a3 100644
--- a/experiments/causal-discovery/requirements.txt
+++ b/experiments/causal-discovery/requirements.txt
@@ -32,7 +32,7 @@ nbconvert==5.6.1
 nbformat==5.0.4
 networkx==2.4
 notebook==6.0.3
-numpy==1.18.1
+numpy==1.22.0
 pandas==1.0.1
 pandocfilters==1.4.2
 parso==0.6.1