diff --git a/doc/requirements.txt b/doc/requirements.txt
index d3c9566e1e2899b506b72b944a3cc49900f8c622..7d6f9fc5b21dd98a16d0c78aa3064a5a920bac49 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,2 +1,3 @@
 breathe
-teqp
\ No newline at end of file
+teqp
+numpy
\ No newline at end of file