diff --git a/11_trapezoidal_map/requirements.txt b/11_trapezoidal_map/requirements.txt
index bcdde56..a913083 100644
--- a/11_trapezoidal_map/requirements.txt
+++ b/11_trapezoidal_map/requirements.txt
@@ -1,3 +1,3 @@
 ipywidgets==5.2.2
 matplotlib==1.5.3
-numpy==1.11.1
\ No newline at end of file
+numpy==1.22.0
\ No newline at end of file