diff --git a/pyproject.toml b/pyproject.toml
index f5572c8..88a82df 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ dev = [
     "types-tqdm~=4.66.0",
     "types-tabulate~=0.9.0",
 ]
-docs = ["pydata-sphinx-theme~=0.13", "sphinx~=7.3", "sphinx-click~=6.0"]
+docs = ["pydata-sphinx-theme~=0.13", "sphinx~=8.0", "sphinx-click~=6.0"]
 
 [project.scripts]
 stac-asset = "stac_asset._cli:cli"