diff --git a/docs/requirements.txt b/docs/requirements.txt
index 992cb14..f508ebe 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -9,16 +9,17 @@ Jinja2==3.1.4
 latexcodec==3.0.0
 MarkupSafe==2.1.5
 packaging==24.0
-pybtex==0.24.0
 pybtex-docutils==1.0.3
+pybtex==0.24.0
 Pygments==2.17.2
 PyYAML==6.0.1
 requests==2.32.2
 six==1.16.0
 snowballstemmer==2.2.0
-Sphinx==7.2.6
-sphinx-rtd-theme==2.0.0
 sphinx_design==0.5.0
+sphinx-copybutton==0.5.2
+sphinx-rtd-theme==2.0.0
+Sphinx==7.2.6
 sphinxcontrib-applehelp==1.0.8
 sphinxcontrib-bibtex==2.6.2
 sphinxcontrib-devhelp==1.0.6
@@ -27,4 +28,4 @@ sphinxcontrib-jquery==4.1
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.7
 sphinxcontrib-serializinghtml==1.1.10
-urllib3==2.2.2
+urllib3==2.2.2
\ No newline at end of file
diff --git a/docs/source/conf.py b/docs/source/conf.py
index d1cf08f..608cac7 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -46,6 +46,7 @@
     'sphinx.ext.ifconfig',
     'sphinx.ext.mathjax',
     'sphinx_design',
+    'sphinx_copybutton',
     #    'sphinx.ext.autosectionlabel',
     'sphinxcontrib.bibtex',
 ]