diff --git a/docs/requirements.txt b/docs/requirements.txt
index 5e98bc20..6b659fb8 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -4,7 +4,7 @@ flatten_dict
 Jinja2<3.1
 networkx
 openpyxl
-pandas>=1.1
+pandas>=1.1,<2.1
 pydantic>=2
 pydot
 pyyaml
diff --git a/setup.cfg b/setup.cfg
index 1de641c8..7fbcbb43 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -47,7 +47,7 @@ install_requires =
     xlrd
     pyyaml
     pydot
-    pandas>=1.1
+    pandas>=1.1,<2.1
     Amply>=0.1.6
     networkx
     flatten_dict