diff --git a/CHANGELOG.md b/CHANGELOG.md
index 31080e45..d12a36d7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## 0.5.6 (unreleased)
 
 - Add support for descriptions to `iosxe_prefix_list` resource and data source
+- Add `advertisement_interval` attribute to `iosxe_bgp_ipv4_unicast_vrf_neighbor` resource and data source
 
 ## 0.5.5
 
diff --git a/docs/guides/changelog.md b/docs/guides/changelog.md
index 389866cd..f32aff50 100644
--- a/docs/guides/changelog.md
+++ b/docs/guides/changelog.md
@@ -10,6 +10,7 @@ description: |-
 ## 0.5.6 (unreleased)
 
 - Add support for descriptions to `iosxe_prefix_list` resource and data source
+- Add `advertisement_interval` attribute to `iosxe_bgp_ipv4_unicast_vrf_neighbor` resource and data source
 
 ## 0.5.5
 
diff --git a/templates/guides/changelog.md.tmpl b/templates/guides/changelog.md.tmpl
index 389866cd..f32aff50 100644
--- a/templates/guides/changelog.md.tmpl
+++ b/templates/guides/changelog.md.tmpl
@@ -10,6 +10,7 @@ description: |-
 ## 0.5.6 (unreleased)
 
 - Add support for descriptions to `iosxe_prefix_list` resource and data source
+- Add `advertisement_interval` attribute to `iosxe_bgp_ipv4_unicast_vrf_neighbor` resource and data source
 
 ## 0.5.5