diff --git a/.cirrus.yml b/.cirrus.yml
index cbc8a146ef..54207e5002 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -146,7 +146,7 @@ task:
   container:
     image: gcc:latest
     cpu: 6
-    memory: 8G
+    memory: 12G
   << : *IRIS_TEST_DATA_TEMPLATE
   << : *LINUX_TASK_TEMPLATE
   tests_script:
diff --git a/lib/iris/__init__.py b/lib/iris/__init__.py
index 7442ff1173..deb1e33523 100644
--- a/lib/iris/__init__.py
+++ b/lib/iris/__init__.py
@@ -108,7 +108,7 @@ def callback(cube, field, filename):
 
 
 # Iris revision.
-__version__ = "3.3.dev0"
+__version__ = "3.3.dev0-PP-TEMPORARY"
 
 # Restrict the names imported when using "from iris import *"
 __all__ = [