diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dd2abf1..39d6842 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
           - macos-latest
           - windows-latest
         python:
-          - '3.7'
+          - '3.8'
           - '3.11'
 
     steps:
diff --git a/docs/conf.py b/docs/conf.py
index 2a4e603..3b9a85b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -35,35 +35,9 @@
 pygments_style = 'sphinx'
 todo_include_todos = False
 
-html_theme = 'sphinx_rtd_theme'
-html_theme_options = {
-    'navigation_depth': -1,
-}
-html_sidebars = {
-    '**': [
-        'localtoc.html',
-        'searchbox.html',
-    ]
-}
+html_theme = 'furo'
 htmlhelp_basename = 'PyJSON5doc'
 
-latex_elements = {}
-latex_documents = [
-    (master_doc, 'PyJSON5.tex', u'PyJSON5 Documentation',
-     u'René Kijewski', 'manual'),
-]
-
-man_pages = [
-    (master_doc, 'pyjson5', u'PyJSON5 Documentation',
-     [author], 1)
-]
-
-texinfo_documents = [
-    (master_doc, 'PyJSON5', u'PyJSON5 Documentation',
-     author, 'PyJSON5', 'One line description of project.',
-     'Miscellaneous'),
-]
-
 display_toc = True
 autodoc_default_flags = ['members']
 autosummary_generate = True
diff --git a/docs/decoder.rst b/docs/decoder.rst
index 3f958e7..057791f 100644
--- a/docs/decoder.rst
+++ b/docs/decoder.rst
@@ -59,26 +59,26 @@ Decoder Exceptions
     pyjson5.Json5ExtraData
     pyjson5.Json5IllegalType
 
-.. autoclass:: pyjson5.Json5DecoderException
+.. autoexception:: pyjson5.Json5DecoderException
     :members:
     :inherited-members:
 
-.. autoclass:: pyjson5.Json5NestingTooDeep
+.. autoexception:: pyjson5.Json5NestingTooDeep
     :members:
     :inherited-members:
 
-.. autoclass:: pyjson5.Json5EOF
+.. autoexception:: pyjson5.Json5EOF
     :members:
     :inherited-members:
 
-.. autoclass:: pyjson5.Json5IllegalCharacter
+.. autoexception:: pyjson5.Json5IllegalCharacter
     :members:
     :inherited-members:
 
-.. autoclass:: pyjson5.Json5ExtraData
+.. autoexception:: pyjson5.Json5ExtraData
     :members:
     :inherited-members:
 
-.. autoclass:: pyjson5.Json5IllegalType
+.. autoexception:: pyjson5.Json5IllegalType
     :members:
     :inherited-members:
diff --git a/docs/encoder.rst b/docs/encoder.rst
index 4ca15a3..4b8f68b 100644
--- a/docs/encoder.rst
+++ b/docs/encoder.rst
@@ -64,10 +64,10 @@ Encoder Exceptions
     pyjson5.Json5EncoderException
     pyjson5.Json5UnstringifiableType
 
-.. autoclass:: pyjson5.Json5EncoderException
+.. autoexception:: pyjson5.Json5EncoderException
     :members:
     :inherited-members:
 
-.. autoclass:: pyjson5.Json5UnstringifiableType
+.. autoexception:: pyjson5.Json5UnstringifiableType
     :members:
     :inherited-members:
diff --git a/docs/exceptions.rst b/docs/exceptions.rst
index 21b9f34..ff50c4a 100644
--- a/docs/exceptions.rst
+++ b/docs/exceptions.rst
@@ -12,6 +12,6 @@ Exceptions
     pyjson5.Json5ExtraData
     pyjson5.Json5IllegalType
 
-.. autoclass:: pyjson5.Json5Exception
+.. autoexception:: pyjson5.Json5Exception
     :members:
     :inherited-members:
diff --git a/requirements-dev.txt b/requirements-dev.txt
index fa487b3..a49c84d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,14 +2,14 @@ black
 build
 colorama == 0.4.*
 cython == 0.*
-more_itertools == 8.*
+more_itertools == 9.*
 mypy
 setuptools
 wheel
 
 # keep synchronous to requirements-readthecocs.txt
-docutils == 0.17.*
-myst-parser == 0.18.*
-sphinx == 5.*
+docutils == 0.19.*
+furo
+myst-parser == 2.*
+sphinx == 7.*
 sphinx_autodoc_typehints == 1.*
-sphinx_rtd_theme == 1.*
diff --git a/requirements-readthedocs.txt b/requirements-readthedocs.txt
index 8bb841a..c1637c1 100644
--- a/requirements-readthedocs.txt
+++ b/requirements-readthedocs.txt
@@ -3,8 +3,8 @@
 pyjson5 == 1.6.3
 
 # keep synchronous to requirements-dev.txt
-docutils == 0.17.*
-myst-parser == 0.18.*
-sphinx == 5.*
+docutils == 0.19.*
+furo
+myst-parser == 2.*
+sphinx == 7.*
 sphinx_autodoc_typehints == 1.*
-sphinx_rtd_theme == 1.*
diff --git a/third-party/fast_double_parser b/third-party/fast_double_parser
index 07d9189..50a2ccb 160000
--- a/third-party/fast_double_parser
+++ b/third-party/fast_double_parser
@@ -1 +1 @@
-Subproject commit 07d9189a8fb815fe800cb15ca022e7a07093236e
+Subproject commit 50a2ccb5535179781a15d20ba2909c812f329cc5