diff --git a/terraform-plans/configs/hardware-observer-operator_main.tfvars b/terraform-plans/configs/hardware-observer-operator_main.tfvars
index 8da02da..c0236f7 100644
--- a/terraform-plans/configs/hardware-observer-operator_main.tfvars
+++ b/terraform-plans/configs/hardware-observer-operator_main.tfvars
@@ -16,9 +16,10 @@ templates = {
     source      = "./templates/github/charm_check.yaml.tftpl"
     destination = ".github/workflows/check.yaml"
     vars = {
-      runs_on       = "[[ubuntu-22.04], [Ubuntu_ARM64_4C_16G_01]]",
-      test_commands = "['tox -e func -- -v --base ubuntu@20.04 --keep-models', 'tox -e func -- -v --base ubuntu@22.04 --keep-models', 'if [ \"$(uname -m)\" = \"aarch64\" ]; then echo \"skipping func tests on ubuntu@24.04/arm64\"; else tox -e func -- -v --base ubuntu@24.04 --keep-models; fi' ]",
-      juju_channels = "[\"3.4/stable\"]",
+      runs_on         = "[[ubuntu-22.04], [Ubuntu_ARM64_4C_16G_01]]",
+      test_commands   = "['tox -e func -- -v --base ubuntu@20.04 --keep-models', 'tox -e func -- -v --base ubuntu@22.04 --keep-models', 'if [ \"$(uname -m)\" = \"aarch64\" ]; then echo \"skipping func tests on ubuntu@24.04/arm64\"; else tox -e func -- -v --base ubuntu@24.04 --keep-models; fi' ]",
+      juju_channels   = "[\"3.4/stable\"]",
+      python_versions = "['3.8', '3.10']",
     }
   }
   promote = {