diff --git a/SPECS/python-jupyter-core.spec b/SPECS/python-jupyter-core.spec
index 773f109..44fbbb9 100644
--- a/SPECS/python-jupyter-core.spec
+++ b/SPECS/python-jupyter-core.spec
@@ -30,6 +30,7 @@ BuildRequires:  python3-sphinxcontrib-github-alt
 BuildRequires:  python3-myst-parser
 BuildRequires:  python3-pydata-sphinx-theme
 BuildRequires:  pyproject-rpm-macros
+BuildRequires:  python3dist(soupsieve)
 
 %bcond_without tests
 %if %{with tests}