diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index c31104e..04d4682 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -10,4 +10,7 @@ sphinx:
 
 python:
   install:
-    - requirements: docs/rtd-requirements.txt
+    - method: pip
+      path: .
+      extra_requirements:
+        - docs
diff --git a/pyproject.toml b/pyproject.toml
index 4a1e2f8..9b40e58 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -181,6 +181,7 @@ pre-commit = {version = "*", optional = true}
 pytest = {version = "*", optional = true}
 ruff = {version = "*", optional = true}
 sphinx = {version = "*", optional = true}
+sphinx-rtd-theme = {version = "*", optional = true}
 tox = {version = "*", optional = true}
 
 
@@ -193,9 +194,14 @@ dev = [
     "pytest",
     "ruff",
     "sphinx",
+    "sphinx-rtd-theme",
     "tox",
 ]
 test = [
     "coverage",
     "pytest",
 ]
+docs = [
+    "sphinx",
+    "sphinx-rtd-theme",
+]