diff --git a/docker/ucx-py-cuda11.5.yml b/docker/ucx-py-cuda11.5.yml
index 39c08700..c69f8620 100644
--- a/docker/ucx-py-cuda11.5.yml
+++ b/docker/ucx-py-cuda11.5.yml
@@ -4,7 +4,7 @@ channels:
   - conda-forge
 
 dependencies:
-  - python=3.9
+  - python=3.10
   - cudatoolkit=11.5
   - setuptools
   - cython>=3.0.0
diff --git a/docs/source/install.rst b/docs/source/install.rst
index b8712828..b0525650 100644
--- a/docs/source/install.rst
+++ b/docs/source/install.rst
@@ -89,7 +89,7 @@ Build Dependencies
 
 .. note::
     The Python version must be explicitly specified here, UCX-Py currently supports
-    only Python 3.9, 3.10, and 3.11.
+    only Python 3.10 and 3.11.
 
 Test Dependencies
 ^^^^^^^^^^^^^^^^^