diff --git a/docs/conda_environment.yml b/docs/conda_environment.yml
index ff2f9aaa63..3c794969e7 100644
--- a/docs/conda_environment.yml
+++ b/docs/conda_environment.yml
@@ -4,6 +4,7 @@ channels:
   - defaults
 dependencies:
   - python=3.10
+  - packaging=21.3
   - bison
   - cmake
   - xorg-libxcomposite
diff --git a/docs/docs_requirements.txt b/docs/docs_requirements.txt
index faee0c968a..5cb5908b62 100644
--- a/docs/docs_requirements.txt
+++ b/docs/docs_requirements.txt
@@ -14,3 +14,4 @@ plotly
 nbsphinx
 jinja2
 sphinx-design
+packaging==21.3