diff --git a/nebulous-requirements-extractor/src/main/java/eu/nebulouscloud/optimiser/kubevela/KubevelaAnalyzer.java b/nebulous-requirements-extractor/src/main/java/eu/nebulouscloud/optimiser/kubevela/KubevelaAnalyzer.java
index 3fd4a58..fdb62d0 100644
--- a/nebulous-requirements-extractor/src/main/java/eu/nebulouscloud/optimiser/kubevela/KubevelaAnalyzer.java
+++ b/nebulous-requirements-extractor/src/main/java/eu/nebulouscloud/optimiser/kubevela/KubevelaAnalyzer.java
@@ -118,8 +118,12 @@ public class KubevelaAnalyzer {
             String componentName = c.get("name").asText();
             ArrayList<Requirement> reqs = new ArrayList<>();
             if (includeNebulousRequirements) {
+                // We want Ubuntu, version 22.04, and 2GB of RAM until we know
+                // more about the size / cpu requirements of the nebulous
+                // runtime.
                 reqs.add(new AttributeRequirement("image", "operatingSystem.family",
                     RequirementOperator.IN, OperatingSystemFamily.UBUNTU.toString()));
+                reqs.add(new AttributeRequirement("image", "name", RequirementOperator.INC, "22"));
                 reqs.add(new AttributeRequirement("hardware", "ram", RequirementOperator.GEQ, "2048"));
             }
             JsonNode cpu = c.at("/properties/cpu");
diff --git a/optimiser-controller/src/main/java/eu/nebulouscloud/optimiser/controller/NebulousAppDeployer.java b/optimiser-controller/src/main/java/eu/nebulouscloud/optimiser/controller/NebulousAppDeployer.java
index 71cb606..56e5e4b 100644
--- a/optimiser-controller/src/main/java/eu/nebulouscloud/optimiser/controller/NebulousAppDeployer.java
+++ b/optimiser-controller/src/main/java/eu/nebulouscloud/optimiser/controller/NebulousAppDeployer.java
@@ -47,6 +47,7 @@ public class NebulousAppDeployer {
         return List.of(
             new AttributeRequirement("image", "operatingSystem.family",
                 RequirementOperator.IN, OperatingSystemFamily.UBUNTU.toString()),
+            new AttributeRequirement("image", "name", RequirementOperator.INC, "22"),
             new AttributeRequirement("hardware", "ram", RequirementOperator.GEQ, "8192"),
             new AttributeRequirement("hardware", "cores", RequirementOperator.GEQ, "4"));
     }