diff --git a/.readthedocs.yml b/.readthedocs.yml
index 08a9386..dae90e1 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -2,12 +2,12 @@
 # Read the Docs configuration file
 # See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
 
-# Required
+# Set the version of Python and other tools you might need
 version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.8"
+    python: "3.11"
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
diff --git a/requirements/doc.in b/requirements/doc.in
index f6363ea..f04f94c 100644
--- a/requirements/doc.in
+++ b/requirements/doc.in
@@ -1,16 +1,8 @@
 sphinx==4.2.0
-alabaster==0.7.13
-sphinx-book-theme==1.0.1
+sphinx-book-theme==0.3.3
 recommonmark==0.6.0
 sphinxcontrib.images==0.9.4
 sphinx_panels==0.6.0
 sphinxcontrib.contentui==0.2.5
 sphinx_copybutton==0.5.0
-sphinxcontrib.mermaid==0.7.1
-sphinxcontrib-applehelp==1.0.4
-sphinxcontrib-devhelp==1.0.2
-sphinxcontrib-htmlhelp==2.0.1
-sphinxcontrib-jsmath==1.0.1
-sphinxcontrib-qthelp==1.0.3
-sphinxcontrib-serializinghtml==1.1.5
-sphinxcontrib-youtube==1.3.0
\ No newline at end of file
+sphinxcontrib.mermaid==0.7.1
\ No newline at end of file
diff --git a/requirements/doc.txt b/requirements/doc.txt
index 0910413..8a6e99f 100644
--- a/requirements/doc.txt
+++ b/requirements/doc.txt
@@ -4,16 +4,10 @@
 #
 #    make upgrade
 #
-accessible-pygments==0.0.4
-    # via pydata-sphinx-theme
-alabaster==0.7.13
-    # via
-    #   -r requirements/doc.in
-    #   sphinx
+alabaster==0.7.16
+    # via sphinx
 babel==2.14.0
-    # via
-    #   pydata-sphinx-theme
-    #   sphinx
+    # via sphinx
 beautifulsoup4==4.12.3
     # via pydata-sphinx-theme
 certifi==2024.2.2
@@ -40,20 +34,18 @@ packaging==24.0
     # via
     #   pydata-sphinx-theme
     #   sphinx
-pydata-sphinx-theme==0.13.3
+pydata-sphinx-theme==0.8.1
     # via sphinx-book-theme
 pygments==2.17.2
-    # via
-    #   accessible-pygments
-    #   pydata-sphinx-theme
-    #   sphinx
+    # via sphinx
+pyyaml==6.0.1
+    # via sphinx-book-theme
 recommonmark==0.6.0
     # via -r requirements/doc.in
 requests==2.31.0
     # via
     #   sphinx
     #   sphinxcontrib-images
-    #   sphinxcontrib-youtube
 snowballstemmer==2.2.0
     # via sphinx
 soupsieve==2.5
@@ -68,47 +60,30 @@ sphinx==4.2.0
     #   sphinx-panels
     #   sphinxcontrib-contentui
     #   sphinxcontrib-images
-    #   sphinxcontrib-youtube
-sphinx-book-theme==1.0.1
+sphinx-book-theme==0.3.3
     # via -r requirements/doc.in
 sphinx-copybutton==0.5.0
     # via -r requirements/doc.in
 sphinx-panels==0.6.0
     # via -r requirements/doc.in
-sphinxcontrib-applehelp==1.0.4
-    # via
-    #   -r requirements/doc.in
-    #   sphinx
+sphinxcontrib-applehelp==1.0.8
+    # via sphinx
 sphinxcontrib-contentui==0.2.5
     # via -r requirements/doc.in
-sphinxcontrib-devhelp==1.0.2
-    # via
-    #   -r requirements/doc.in
-    #   sphinx
-sphinxcontrib-htmlhelp==2.0.1
-    # via
-    #   -r requirements/doc.in
-    #   sphinx
+sphinxcontrib-devhelp==1.0.6
+    # via sphinx
+sphinxcontrib-htmlhelp==2.0.5
+    # via sphinx
 sphinxcontrib-images==0.9.4
     # via -r requirements/doc.in
 sphinxcontrib-jsmath==1.0.1
-    # via
-    #   -r requirements/doc.in
-    #   sphinx
+    # via sphinx
 sphinxcontrib-mermaid==0.7.1
     # via -r requirements/doc.in
-sphinxcontrib-qthelp==1.0.3
-    # via
-    #   -r requirements/doc.in
-    #   sphinx
-sphinxcontrib-serializinghtml==1.1.5
-    # via
-    #   -r requirements/doc.in
-    #   sphinx
-sphinxcontrib-youtube==1.3.0
-    # via -r requirements/doc.in
-typing-extensions==4.11.0
-    # via pydata-sphinx-theme
+sphinxcontrib-qthelp==1.0.7
+    # via sphinx
+sphinxcontrib-serializinghtml==1.1.10
+    # via sphinx
 urllib3==2.2.1
     # via requests