diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index d39575be..87eaaf58 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -11,7 +11,6 @@ conda:
 
 python:
   install:
-    - requirements: docs/sphinx/requirements.txt
     - method: pip
       path: .
 
diff --git a/docs/sphinx/environment.yml b/docs/sphinx/environment.yml
index 75ead9d8..34c44b9f 100644
--- a/docs/sphinx/environment.yml
+++ b/docs/sphinx/environment.yml
@@ -3,3 +3,9 @@ channels:
 - conda-forge
 dependencies:
 - python=3.11
+- pip
+- pip:
+  - sphinx
+  - myst-parser
+  - furo
+  - sphinxcontrib-mermaid
diff --git a/docs/sphinx/requirements.txt b/docs/sphinx/requirements.txt
deleted file mode 100644
index ecf0f9da..00000000
--- a/docs/sphinx/requirements.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-sphinx
-myst-parser
-furo
-sphinxcontrib-mermaid