diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index d85eeb5b95..66d3f5a8f9 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -94,8 +94,8 @@ jobs:
 
 
   build-linux-3-11:
-    name: Linux Latest opNav
-    runs-on: ubuntu-latest
+    name: Linux 22.04 opNav
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python-version: ["3.11"]
diff --git a/docs/source/Support/bskReleaseNotes.rst b/docs/source/Support/bskReleaseNotes.rst
index cea93017a2..a9a29995fc 100644
--- a/docs/source/Support/bskReleaseNotes.rst
+++ b/docs/source/Support/bskReleaseNotes.rst
@@ -101,6 +101,9 @@ Version  |release|
     ``%include "simulation/dynamics/_GeneralModuleFiles/dynParamManager.h"``. See
     ``src/simulation/dynamics/dragEffector/dragDynamicEffector.i`` for an example.
 
+- Update CI Linux build with ``opNav`` to use Ubuntu 22.04, not latest (i.e. 24.02).  The latter does not
+  support directly Python 3.11, and Basilisk does not support Python 3.13 yet.
+
 
 Version 2.5.0 (Sept. 30, 2024)
 ------------------------------