diff --git a/ci-operator/templates/openshift/installer/cluster-launch-installer-custom-test-image.yaml b/ci-operator/templates/openshift/installer/cluster-launch-installer-custom-test-image.yaml
index a9afee73be644..569bc688d680e 100644
--- a/ci-operator/templates/openshift/installer/cluster-launch-installer-custom-test-image.yaml
+++ b/ci-operator/templates/openshift/installer/cluster-launch-installer-custom-test-image.yaml
@@ -458,7 +458,7 @@ objects:
             2) AZURE_REGION=centralus;;
             3) AZURE_REGION=centralus;;
             4) AZURE_REGION=centralus;;
-            5) AZURE_REGION=eastus;;
+            5) AZURE_REGION=centralus;;
             6) AZURE_REGION=eastus2;;
             7) AZURE_REGION=westus;;
             *) echo >&2 "invalid Azure region index"; exit 1;;
diff --git a/ci-operator/templates/openshift/installer/cluster-launch-installer-e2e.yaml b/ci-operator/templates/openshift/installer/cluster-launch-installer-e2e.yaml
index 0d73ffd62d6c5..9cf2cb8cab6af 100644
--- a/ci-operator/templates/openshift/installer/cluster-launch-installer-e2e.yaml
+++ b/ci-operator/templates/openshift/installer/cluster-launch-installer-e2e.yaml
@@ -515,7 +515,7 @@ objects:
             2) AZURE_REGION=centralus;;
             3) AZURE_REGION=centralus;;
             4) AZURE_REGION=centralus;;
-            5) AZURE_REGION=eastus;;
+            5) AZURE_REGION=centralus;;
             6) AZURE_REGION=eastus2;;
             7) AZURE_REGION=westus;;
             *) echo >&2 "invalid Azure region index"; exit 1;;
diff --git a/ci-operator/templates/openshift/installer/cluster-launch-installer-src.yaml b/ci-operator/templates/openshift/installer/cluster-launch-installer-src.yaml
index a3e5d57d74f8e..6ef623a32b7e6 100644
--- a/ci-operator/templates/openshift/installer/cluster-launch-installer-src.yaml
+++ b/ci-operator/templates/openshift/installer/cluster-launch-installer-src.yaml
@@ -365,7 +365,7 @@ objects:
             2) AZURE_REGION=centralus;;
             3) AZURE_REGION=centralus;;
             4) AZURE_REGION=centralus;;
-            5) AZURE_REGION=eastus;;
+            5) AZURE_REGION=centralus;;
             6) AZURE_REGION=eastus2;;
             7) AZURE_REGION=westus;;
             *) echo >&2 "invalid Azure region index"; exit 1;;
diff --git a/core-services/prow/02_config/_boskos.yaml b/core-services/prow/02_config/_boskos.yaml
index 7f88a2743ffd7..4348a6a9adf1f 100644
--- a/core-services/prow/02_config/_boskos.yaml
+++ b/core-services/prow/02_config/_boskos.yaml
@@ -6,8 +6,8 @@ resources:
   max-count:  120
 - type: azure4-quota-slice
   state: free
-  min-count: 20
-  max-count: 20
+  min-count: 30
+  max-count: 30
 - type: gcp-quota-slice
   state: free
   min-count: 80