diff --git a/requirements.txt b/requirements.txt
index 78566bd..7ea84ba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 Sphinx>=2.4.3
 sphinx_rtd_theme
-breathe>=4.14
+breathe>=5.1.0
 sphinxcontrib_bibtex
 numpydoc
 more_itertools