diff --git a/README.md b/README.md
index 3421a6fc7..2321d2f78 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,13 @@ Please check the [CHANGES.md](CHANGES.md) file for change history.
 The SRA Toolkit and SDK from NCBI is a collection of tools and libraries for
 using data in the INSDC Sequence Read Archives.
 
+----
+_May 14, 2024_: **SRA Toolkit Release 3.1.1**
+
+Improved prefetch error and information messages for users.
+
+Fixed errors and warnings when building on Windows. 
+
 ----
 _March 5, 2024_: **SRA Toolkit Release 3.1.0**