diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index 6a60d0f..6a6c4c8 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -18,13 +18,13 @@ apps:
   eris:
     command: bin/eris
     environment:
-      PYTHONPATH: $SNAP/lib/python3.10/site-packages:$SNAP/lib/python3.10/dist-packages:$PYTHONPATH
+      PYTHONPATH: $SNAP/lib/python3.9/site-packages:$SNAP/lib/python3.9/dist-packages:$PYTHONPATH
     plugs:
       - home
   webserver:
     command: bin/eris-webserver
     environment:
-      PYTHONPATH: $SNAP/lib/python3.10/site-packages:$SNAP/lib/python3.10/dist-packages:$PYTHONPATH
+      PYTHONPATH: $SNAP/lib/python3.9/site-packages:$SNAP/lib/python3.9/dist-packages:$PYTHONPATH
     plugs:
       - home
       - network-bind
@@ -44,9 +44,9 @@ parts:
       - ./fill3
       - ./eris
     build-environment:
-      - SNAPCRAFT_PYTHON_INTERPRETER: python3.10
+      - SNAPCRAFT_PYTHON_INTERPRETER: python3.9
     stage-packages:
-      - python3.10-venv
+      - python3.9-venv
       - python3-distutils
       - python3-pkg-resources
       - binutils