diff --git a/hapi-fhir-base/src/main/java/ca/uhn/fhir/util/VersionEnum.java b/hapi-fhir-base/src/main/java/ca/uhn/fhir/util/VersionEnum.java
index 4d4d42f554a..cdb1f00be54 100644
--- a/hapi-fhir-base/src/main/java/ca/uhn/fhir/util/VersionEnum.java
+++ b/hapi-fhir-base/src/main/java/ca/uhn/fhir/util/VersionEnum.java
@@ -79,6 +79,7 @@ public enum VersionEnum {
 	V5_5_2,
 	V5_5_3,
 	V5_5_4,
+	V5_5_5,
 	V5_6_0,
 	V5_6_1,
 	V5_6_2,
diff --git a/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_7_0/3312-chained-query-performance-improvement.yaml b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_7_0/3312-chained-query-performance-improvement.yaml
index b64dfb9f1f8..6290776d218 100644
--- a/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_7_0/3312-chained-query-performance-improvement.yaml
+++ b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_7_0/3312-chained-query-performance-improvement.yaml
@@ -1,5 +1,6 @@
 ---
 type: perf
 issue: 3312
+backport: 5.5.5
 title: "Improves the performance of the query for searching by chained search parameter 
 when the `Index Contained Resources` feature is enabled."