diff --git a/python-nbconvert.spec b/python-nbconvert.spec
index 9ede567..9feec4b 100644
--- a/python-nbconvert.spec
+++ b/python-nbconvert.spec
@@ -55,7 +55,6 @@ Requires:       python-entrypoints >= 0.2.2
 Requires:       python-jupyter-client >= 5.3.1
 Requires:       python-jupyter-core
 Requires:       python-jupyterlab-pygments
-Requires:       python-mistune >= 0.7.4
 Requires:       python-nbclient >= 0.5
 Requires:       python-nbformat >= 4.4
 Requires:       python-pandocfilters >= 1.4.1
@@ -86,7 +85,6 @@ BuildRequires:  %{python_module ipywidgets}
 BuildRequires:  %{python_module jupyter-client >= 5.3.1}
 BuildRequires:  %{python_module jupyter-core}
 BuildRequires:  %{python_module jupyterlab-pygments}
-BuildRequires:  %{python_module mistune >= 0.7.4}
 BuildRequires:  %{python_module mock}
 BuildRequires:  %{python_module nbclient >= 0.5}
 BuildRequires:  %{python_module nbconvert}