diff --git a/ceilometer/files/ocata/event_definitions.yaml b/ceilometer/files/ocata/event_definitions.yaml
index d87e1dc..917561b 100644
--- a/ceilometer/files/ocata/event_definitions.yaml
+++ b/ceilometer/files/ocata/event_definitions.yaml
@@ -61,7 +61,7 @@
     audit_period_ending:
       type: datetime
       fields: payload.audit_period_ending
-- event_type: ['volume.exists', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*', 'snapshot.exists', 'snapshot.create.*', 'snapshot.delete.*', 'snapshot.update.*']
+- event_type: ['volume.exists', 'volume.retype', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*', 'snapshot.exists', 'snapshot.create.*', 'snapshot.delete.*', 'snapshot.update.*']
   traits: &cinder_traits
     user_id:
       fields: payload.user_id
@@ -77,7 +77,7 @@
       fields: payload.status
     created_at:
       fields: payload.created_at
-- event_type: ['volume.exists', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*']
+- event_type: ['volume.exists', 'volume.retype', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*']
   traits:
     <<: *cinder_traits
     resource_id:
diff --git a/ceilometer/files/pike/event_definitions.yaml b/ceilometer/files/pike/event_definitions.yaml
index d87e1dc..917561b 100644
--- a/ceilometer/files/pike/event_definitions.yaml
+++ b/ceilometer/files/pike/event_definitions.yaml
@@ -61,7 +61,7 @@
     audit_period_ending:
       type: datetime
       fields: payload.audit_period_ending
-- event_type: ['volume.exists', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*', 'snapshot.exists', 'snapshot.create.*', 'snapshot.delete.*', 'snapshot.update.*']
+- event_type: ['volume.exists', 'volume.retype', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*', 'snapshot.exists', 'snapshot.create.*', 'snapshot.delete.*', 'snapshot.update.*']
   traits: &cinder_traits
     user_id:
       fields: payload.user_id
@@ -77,7 +77,7 @@
       fields: payload.status
     created_at:
       fields: payload.created_at
-- event_type: ['volume.exists', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*']
+- event_type: ['volume.exists', 'volume.retype', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*']
   traits:
     <<: *cinder_traits
     resource_id:
diff --git a/ceilometer/files/queens/event_definitions.yaml b/ceilometer/files/queens/event_definitions.yaml
index d87e1dc..917561b 100644
--- a/ceilometer/files/queens/event_definitions.yaml
+++ b/ceilometer/files/queens/event_definitions.yaml
@@ -61,7 +61,7 @@
     audit_period_ending:
       type: datetime
       fields: payload.audit_period_ending
-- event_type: ['volume.exists', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*', 'snapshot.exists', 'snapshot.create.*', 'snapshot.delete.*', 'snapshot.update.*']
+- event_type: ['volume.exists', 'volume.retype', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*', 'snapshot.exists', 'snapshot.create.*', 'snapshot.delete.*', 'snapshot.update.*']
   traits: &cinder_traits
     user_id:
       fields: payload.user_id
@@ -77,7 +77,7 @@
       fields: payload.status
     created_at:
       fields: payload.created_at
-- event_type: ['volume.exists', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*']
+- event_type: ['volume.exists', 'volume.retype', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*']
   traits:
     <<: *cinder_traits
     resource_id:
diff --git a/ceilometer/files/rocky/event_definitions.yaml b/ceilometer/files/rocky/event_definitions.yaml
index d87e1dc..917561b 100644
--- a/ceilometer/files/rocky/event_definitions.yaml
+++ b/ceilometer/files/rocky/event_definitions.yaml
@@ -61,7 +61,7 @@
     audit_period_ending:
       type: datetime
       fields: payload.audit_period_ending
-- event_type: ['volume.exists', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*', 'snapshot.exists', 'snapshot.create.*', 'snapshot.delete.*', 'snapshot.update.*']
+- event_type: ['volume.exists', 'volume.retype', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*', 'snapshot.exists', 'snapshot.create.*', 'snapshot.delete.*', 'snapshot.update.*']
   traits: &cinder_traits
     user_id:
       fields: payload.user_id
@@ -77,7 +77,7 @@
       fields: payload.status
     created_at:
       fields: payload.created_at
-- event_type: ['volume.exists', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*']
+- event_type: ['volume.exists', 'volume.retype', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*']
   traits:
     <<: *cinder_traits
     resource_id: