diff --git a/NEWS b/NEWS
index 85979b41d9..585b5ae18c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,19 @@
+libmongoc 1.23.3
+================
+
+Fixes:
+
+  * Better handle malformed `hello` responses
+  * Handle `connectionId` of type `double`.
+
+Thanks to everyone who contributed to the development of this release.
+
+  * Kevin Albertson
+  * Gil Alon
+  * Kondaiah Valagonda
+
+
+
 libmongoc 1.23.2
 ================
 
@@ -17,7 +33,7 @@ libmongoc 1.23.1
 
 Bug fixes:
 
-  * Fix connectivity to Atlas Data Lake 
+  * Fix connectivity to Atlas Data Lake
   * Fix crash when dropping a malformed Queryable Encryption collection.
 
 Thanks to everyone who contributed to the development of this release.
diff --git a/src/libbson/NEWS b/src/libbson/NEWS
index c5635fdd58..7d63e8c37b 100644
--- a/src/libbson/NEWS
+++ b/src/libbson/NEWS
@@ -1,3 +1,16 @@
+libbson 1.23.3
+==============
+
+Fix:
+
+  * Don't use `aligned_alloc()` on Windows
+
+Thanks to everyone who contributed to the development of this release.
+
+  * Jeroen Ooms
+
+
+
 libbson 1.23.2
 ==============
 
diff --git a/src/libmongoc/doc/libbson-objects.inv b/src/libmongoc/doc/libbson-objects.inv
index c2a85e1896..f3fccd714c 100644
Binary files a/src/libmongoc/doc/libbson-objects.inv and b/src/libmongoc/doc/libbson-objects.inv differ