diff --git a/pyproject.toml b/pyproject.toml
index e1ae2ae..80ccb56 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,6 +26,7 @@ dev = [
 doc = [
     "ipympl",
     "myst-nb",
+    "sphinx",
     "sphinx-api-relink",
     "sphinx-book-theme",
     "sphinx-comments",
@@ -33,7 +34,6 @@ doc = [
     "sphinx-design",
     "sphinx-exercise",
     "sphinx-togglebutton",
-    "sphinx~=5.0", # for sphinx-exercise
     {include-group = "notebooks"},
 ]
 jupyter = [
diff --git a/uv.lock b/uv.lock
index 4fe2464..582597b 100644
--- a/uv.lock
+++ b/uv.lock
@@ -15,11 +15,11 @@ wheels = [
 
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@@ -375,11 +375,11 @@ wheels = [
 
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+version = "0.21.2"
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 [[package]]
@@ -1052,14 +1052,14 @@ wheels = [
 
 [[package]]
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+version = "3.0.0"
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 [[package]]
@@ -1150,14 +1150,14 @@ wheels = [
 
 [[package]]
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-version = "0.3.5"
+version = "0.4.2"
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@@ -1201,7 +1201,7 @@ wheels = [
 
 [[package]]
 name = "myst-parser"
-version = "1.0.0"
+version = "4.0.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "docutils" },
@@ -1211,9 +1211,9 @@ dependencies = [
     { name = "pyyaml" },
     { name = "sphinx" },
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 [[package]]
@@ -1536,21 +1536,20 @@ wheels = [
 
 [[package]]
 name = "pydata-sphinx-theme"
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+version = "0.16.0"
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 dependencies = [
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     { name = "babel" },
     { name = "beautifulsoup4" },
     { name = "docutils" },
-    { name = "packaging" },
     { name = "pygments" },
     { name = "sphinx" },
     { name = "typing-extensions" },
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 [[package]]
@@ -1963,7 +1962,7 @@ wheels = [
 
 [[package]]
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-version = "5.3.0"
+version = "8.1.3"
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 dependencies = [
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@@ -1983,9 +1982,9 @@ dependencies = [
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     { name = "sphinxcontrib-serializinghtml" },
 ]
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 [[package]]
@@ -2058,14 +2057,14 @@ wheels = [
 
 [[package]]
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 [[package]]
@@ -2281,7 +2280,7 @@ dev = [
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     { name = "python-lsp-server", extras = ["rope"] },
     { name = "ruff" },
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+    { name = "sphinx" },
     { name = "sphinx-api-relink" },
     { name = "sphinx-autobuild" },
     { name = "sphinx-book-theme" },
@@ -2295,7 +2294,7 @@ doc = [
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     { name = "myst-nb" },
     { name = "pyproject-local-kernel" },
-    { name = "sphinx", specifier = "~=5.0" },
+    { name = "sphinx" },
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     { name = "sphinx-book-theme" },
     { name = "sphinx-comments" },