diff --git a/NEWS b/NEWS
index b60eb3033b..1fed14113f 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,22 @@
+libmongoc 1.27.3
+================
+
+Notes:
+
+  * This patch release introduces changes surrounding the development processes,
+    including new code signing and dependency tracking. There are no behavioral
+    or API changes.
+
+Fixes:
+
+  * Upgraded bundled Zlib from 1.12.3 to 1.13.1
+
+Thanks to everyone who contributed to the development of this release.
+
+  * Colby Pike
+
+
+
 libmongoc 1.27.2
 ================
 
diff --git a/VERSION_CURRENT b/VERSION_CURRENT
index a759f59ddc..3bae5204be 100644
--- a/VERSION_CURRENT
+++ b/VERSION_CURRENT
@@ -1 +1 @@
-1.27.3-dev
+1.27.3
diff --git a/src/libbson/NEWS b/src/libbson/NEWS
index 47d3551b23..57d5a1254f 100644
--- a/src/libbson/NEWS
+++ b/src/libbson/NEWS
@@ -1,3 +1,18 @@
+libbson 1.27.3
+==============
+
+Notes:
+
+  * This patch release introduces changes surrounding the development processes,
+    including new code signing and dependency tracking. There are no behavioral
+    or API changes.
+
+Thanks to everyone who contributed to the development of this release.
+
+  * Colby Pike
+
+
+
 libbson 1.27.2
 ==============
 
@@ -132,7 +147,7 @@ Fixes:
 Thanks to everyone who contributed to the development of this release.
 
   * Kevin Albertson
-  
+
 libbson 1.24.3
 ==============
 
diff --git a/src/libmongoc/doc/includes/libbson.inv b/src/libmongoc/doc/includes/libbson.inv
index d7771f492f..e3bcfb5bea 100644
Binary files a/src/libmongoc/doc/includes/libbson.inv and b/src/libmongoc/doc/includes/libbson.inv differ