diff --git a/generate/generate.py b/generate/generate.py
index 507a0847802dfdfc79b5c302d0d70b3aa4eea8ba..d3d2543fe6ac8b1e95bfd5c82689acb6caf9fbfe 100644
--- a/generate/generate.py
+++ b/generate/generate.py
@@ -265,6 +265,7 @@ def generate_operator(
             function_space.LagrangianFunctionSpace(2, symbolizer)
         ),
         "N1E1": function_space.N1E1Space(symbolizer),
+        "P2PlusBubble": function_space.P2PlusBubbleSpace(symbolizer),
     }
     geometries = {
         2: element_geometry.TriangleElement(),
diff --git a/generate/requirements.txt b/generate/requirements.txt
index bbd26127afcac40b2a4236ec495adcf0e6c85ebb..0c22a907508b5e753ff525519e77217797e621d1 100644
--- a/generate/requirements.txt
+++ b/generate/requirements.txt
@@ -1,10 +1,10 @@
 --extra-index-url https://test.pypi.org/simple/
 
 # users with account on i10git.cs.fau.de can use ssh
-# hog @ git+ssh://git@i10git.cs.fau.de/hyteg/hog@5cecb2d0c7cfb2449f80f6069a4fb6b4b3cb312d
+# hog @ git+ssh://git@i10git.cs.fau.de/hyteg/hog@480cb0b5363ea1f4ba2be14d6a91cde5e2ddbdd2
 
 # others should prefer https
-hog @ git+https://i10git.cs.fau.de/hyteg/hog@5cecb2d0c7cfb2449f80f6069a4fb6b4b3cb312d
+hog @ git+https://i10git.cs.fau.de/hyteg/hog@480cb0b5363ea1f4ba2be14d6a91cde5e2ddbdd2
 
 tomli >= 1.1.0 ; python_version < "3.11"
 clang-format
diff --git a/operators-diffusion.toml b/operators-diffusion.toml
index 5124cc2eee13f9b9736ff8fa84aae7bbcc0a4484..7da0764762e8656b3e6793f6764f3e6d121a0502 100644
--- a/operators-diffusion.toml
+++ b/operators-diffusion.toml
@@ -23,6 +23,14 @@ quadrature    = 2
 loop-strategy = "cubes"
 optimizations = ["moveconstants", "vectorize"]
 
+[[diffusion]]
+trial-space   = "P2PlusBubble"
+test-space    = "P2PlusBubble"
+dimensions    = [2]
+quadrature    = 4
+loop-strategy = "cubes"
+optimizations = ["moveconstants", "vectorize"]
+
 [[diffusion]]
 trial-space   = "P2"
 test-space    = "P2"