diff --git a/.github/workflows/sphinx.yml b/.github/workflows/sphinx.yml
index 26dac4f..b56c4da 100644
--- a/.github/workflows/sphinx.yml
+++ b/.github/workflows/sphinx.yml
@@ -14,6 +14,7 @@ jobs:
       - name: Install dependencies
         run: |
           pip install sphinx
+          pip install sphinx_rtd_theme
       - name: Sphinx build
         run: |
           sphinx-build doc _build
diff --git a/doc/requirements.txt b/doc/requirements.txt
deleted file mode 100644
index 52b04f2..0000000
--- a/doc/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-sphinx_rtd_theme
\ No newline at end of file