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 773cc30bd26..903808720d9 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
@@ -68,7 +68,9 @@ public enum VersionEnum {
 	V5_2_0,
 	V5_2_1,
 	V5_3_0,
+	V5_3_1,
 	V5_3_2,
+	V5_3_3,
 	V5_4_0,
 	;
 
diff --git a/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_3_1/version.yaml b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_3_1/version.yaml
new file mode 100644
index 00000000000..63b20bb11c0
--- /dev/null
+++ b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_3_1/version.yaml
@@ -0,0 +1,3 @@
+---
+release-date: "2021-03-11"
+codename: "Odyssey"
diff --git a/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_3_2/version.yaml b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_3_2/version.yaml
new file mode 100644
index 00000000000..2e81becc0e4
--- /dev/null
+++ b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_3_2/version.yaml
@@ -0,0 +1,3 @@
+---
+release-date: "2021-04-14"
+codename: "Odyssey"
diff --git a/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_3_3/version.yaml b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_3_3/version.yaml
new file mode 100644
index 00000000000..51a63b4dd11
--- /dev/null
+++ b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_3_3/version.yaml
@@ -0,0 +1,3 @@
+---
+release-date: "2021-04-26"
+codename: "Odyssey"
diff --git a/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_4_0/2407-allow-partition-date-for-nonpartitionable.yaml b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_4_0/2407-allow-partition-date-for-nonpartitionable.yaml
index b8942a6f558..61e73a7fc9f 100644
--- a/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_4_0/2407-allow-partition-date-for-nonpartitionable.yaml
+++ b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_4_0/2407-allow-partition-date-for-nonpartitionable.yaml
@@ -4,3 +4,4 @@ issue: 2407
 title: "When using the JPA server in partitioned mode with a partition interceptor, the interceptor is now called even for
    resource types that can not be placed in a non-default partition (e.g. SearchParameter, CodeSystem, etc.). The interceptor
    may return null or default in this case, but can include a non-null partition date if needed."
+backport: 5.3.1
diff --git a/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_4_0/2417-avoid-npe-indexing-timing.yaml b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_4_0/2417-avoid-npe-indexing-timing.yaml
index c20daca2cca..619928991f6 100644
--- a/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_4_0/2417-avoid-npe-indexing-timing.yaml
+++ b/hapi-fhir-docs/src/main/resources/ca/uhn/hapi/fhir/changelog/5_4_0/2417-avoid-npe-indexing-timing.yaml
@@ -3,3 +3,4 @@ type: fix
 issue: 2417
 title: "A NullPointerException was corrected when indexing resources containing an indexed Period field that
   had a start but not an end defined."
+backport: 5.3.3