diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 23860f9..09abf21 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.13.0"
+  ".": "1.13.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index cefe86e..79288c5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## Knowledge Graph [v1.13.1](https://github.com/learning-commons-org/knowledge-graph/compare/v1.13.0...v1.13.1) (2026-09-09)
+
+**September 9, 2026**
+
+### Data v1.13.1
+
+- Restored the [`jaccard`](https://docs.learningcommons.org/knowledge-graph/schema-reference/standards#understanding-the-jaccard-score) property on [`hasStandardAlignment`](https://docs.learningcommons.org/knowledge-graph/schema-reference/standards#hasstandardalignment) relationships (unintentionally removed in [v1.12.0](#v1-12-0))
+
 ## Knowledge Graph [v1.13.0](https://github.com/learning-commons-org/knowledge-graph/compare/v1.12.0...v1.13.0) (2026-08-27)
 
 **August 27, 2026**