diff --git a/.github/workflows/pipeline.yaml b/.github/workflows/pipeline.yaml
index 25c5fb68e..236c04d04 100644
--- a/.github/workflows/pipeline.yaml
+++ b/.github/workflows/pipeline.yaml
@@ -204,7 +204,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.10"
       - name: Set $PY environment variable
         run: echo "PY=$(python -VV | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV
       - uses: actions/cache@v4
diff --git a/fastagency/ui/mesop/base.py b/fastagency/ui/mesop/base.py
index d7fecbe6e..a1fcc801e 100644
--- a/fastagency/ui/mesop/base.py
+++ b/fastagency/ui/mesop/base.py
@@ -11,8 +11,8 @@
 
 import typer
 
-if sys.version_info < (3, 11):
-    typer.echo("Error: Mesop requires Python 3.11 or higher", err=True)
+if sys.version_info < (3, 10):
+    typer.echo("Error: Mesop requires Python 3.10 or higher", err=True)
     raise typer.Exit(code=1)
 
 from mesop.bin.bin import FLAGS as MESOP_FLAGS