diff --git a/NEWS b/NEWS
index bdeb7127..84a7bc5d 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+bambu v3.15.1 (change date: 2026-10-02)
+==========================================
+Minor changes:
+    * Temporarily disable ggbio related functions in vignettes and unit test function
+	* Disable activation of BSgenome when local existing genome fasta file is provided [issue](https://github.com/GoekeLab/bambu/issues/339)
+	* Update contact email addresses 
+
 bambu v3.2.0 (change date: 2023-Apr-26)
 ==========================================
 Minor fixes:
diff --git a/README.md b/README.md
index 766fd40a..2e37d0d5 100755
--- a/README.md
+++ b/README.md
@@ -498,6 +498,17 @@ rowData(se)
 
 ### Release History
 
+**bambu v3.15.1**
+
+Release date: 2026-10-02
+
+Minor changes:
+
+- temporarily disable ggbio related functions in vignettes and unit test function
+- disable activation of BSgenome when local existing genome fasta file is provided [issue](https://github.com/GoekeLab/bambu/issues/339)
+- update contact email addresses 
+
+
 **bambu v3.12.1**
 
 Release date: 2026-01-14