diff --git a/changelog/unreleased/sse-capability.md b/changelog/unreleased/sse-capability.md
new file mode 100644
index 0000000000..f2afc9e9f6
--- /dev/null
+++ b/changelog/unreleased/sse-capability.md
@@ -0,0 +1,5 @@
+Enhancement: Add Capability for sse
+
+Add a capability for server sent events
+
+https://github.com/cs3org/reva/pull/4090
diff --git a/internal/http/services/owncloud/ocs/data/capabilities.go b/internal/http/services/owncloud/ocs/data/capabilities.go
index 300a17a857..d2f5471f74 100644
--- a/internal/http/services/owncloud/ocs/data/capabilities.go
+++ b/internal/http/services/owncloud/ocs/data/capabilities.go
@@ -76,6 +76,7 @@ type CapabilitiesCore struct {
 	WebdavRoot        string  `json:"webdav-root,omitempty" xml:"webdav-root,omitempty" mapstructure:"webdav_root"`
 	Status            *Status `json:"status" xml:"status"`
 	SupportURLSigning ocsBool `json:"support-url-signing" xml:"support-url-signing" mapstructure:"support_url_signing"`
+	SupportSSE        ocsBool `json:"support-sse" xml:"support-sse" mapstructure:"support_sse"`
 }
 
 // CapabilitiesGraph holds the graph capabilities