diff --git a/docs/requirements.txt b/docs/requirements.txt
index 3d564ac8..9d921cb0 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,3 +1,3 @@
 sphinx < 5.0 # For sphinx documentation
 sphinx_rtd_theme == 1.0.0
-IPython == 7.30.1 # For sphinx documentation
+IPython == 7.31.0 # For sphinx documentation
diff --git a/requirements.txt b/requirements.txt
index 8b6a5ecb..87d71b96 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,4 @@ mypy == 0.931 # For unit test
 flake8 == 4.0.1 # For unit test
 sphinx == 4.3.2 # For sphinx documentation
 sphinx_rtd_theme == 1.0.0
-IPython == 7.30.1 # For sphinx documentation
+IPython == 7.31.0 # For sphinx documentation