diff --git a/CMakeLists.txt b/CMakeLists.txt
index d438b749..eaaef9ae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,7 +12,7 @@ cmake_minimum_required(VERSION 3.20)
 # The major, minor, and micro version numbers of the project.
 set(JAS_VERSION_MAJOR 4)
 set(JAS_VERSION_MINOR 1)
-set(JAS_VERSION_PATCH 0)
+set(JAS_VERSION_PATCH 1)
 
 # The shared library versioning information.
 # Guidelines on how to change this information can be found below.
diff --git a/NEWS.txt b/NEWS.txt
index d869c3ca..212b63b5 100644
--- a/NEWS.txt
+++ b/NEWS.txt
@@ -1,3 +1,10 @@
+4.1.1 (2023-11-28)
+==================
+
+* Disallow in-source builds by default.
+* Fix a potential integer overflow problem in the jas_get_total_mem_size
+  function (for the Windows platform).
+
 4.1.0 (2023-11-04)
 ==================