diff --git a/doc/sphinx/requirements.txt b/doc/sphinx/requirements.txt
index d6a3477..e2174b2 100644
--- a/doc/sphinx/requirements.txt
+++ b/doc/sphinx/requirements.txt
@@ -9,26 +9,26 @@
 alabaster==0.7.12
 attrs==21.2.0
 Babel==2.9.1
-breathe==4.19.2
-certifi==2023.7.22
+breathe==4.18.1
+certifi==2022.12.7
 chardet==4.0.0
 docutils==0.16
-idna==3.7
+idna==2.10
 imagesize==1.2.0
-Jinja2==3.1.3
-markdown-it-py==2.2.0
+Jinja2==3.0.0
+markdown-it-py==1.1.0
 MarkupSafe==2.0.0
-mdit-py-plugins==0.3.0
-myst-parser==0.16.1
+mdit-py-plugins==0.2.8
+myst-parser==0.14.0
 packaging==20.9
-Pygments==2.15.0
+Pygments==2.9.0
 pyparsing==2.4.7
 pytz==2021.1
 PyYAML==5.4.1
-requests==2.31.0
+requests==2.25.1
 six==1.16.0
 snowballstemmer==2.1.0
-Sphinx==3.1.0
+Sphinx==3.0.4
 sphinx-rtd-theme==0.4.3
 sphinxcontrib-applehelp==1.0.2
 sphinxcontrib-devhelp==1.0.2
@@ -36,5 +36,4 @@ sphinxcontrib-htmlhelp==1.0.3
 sphinxcontrib-jsmath==1.0.1
 sphinxcontrib-qthelp==1.0.3
 sphinxcontrib-serializinghtml==1.1.4
-urllib3==1.26.18
-
+urllib3==1.26.5