diff --git a/zuul.d/ironic-python-agent-jobs.yaml b/zuul.d/ironic-python-agent-jobs.yaml
index f6cbbf58e..45c7ba2da 100644
--- a/zuul.d/ironic-python-agent-jobs.yaml
+++ b/zuul.d/ironic-python-agent-jobs.yaml
@@ -181,7 +181,6 @@
         IRONIC_TEMPEST_BUILD_TIMEOUT: 900
         IRONIC_VM_EPHEMERAL_DISK: 0
         IRONIC_VM_INTERFACE_COUNT: 1
-        IRONIC_VM_SPECS_RAM: 2048
+        IRONIC_VM_SPECS_RAM: 3072
         SWIFT_ENABLE_TEMPURLS: True
         SWIFT_TEMPURL_KEY: secretkey
-        USE_PYTHON3: False