diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8263aa4e..b557f036 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required (VERSION 3.9...3.30)
 
 project(maxminddb
   LANGUAGES C
-  VERSION 1.13.2
+  VERSION 1.13.3
 )
 set(MAXMINDDB_SOVERSION 0.0.7)
 set(CMAKE_C_STANDARD 99)
diff --git a/Changes.md b/Changes.md
index ac58c430..df03c288 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,4 +1,4 @@
-## 1.13.3 - 2026-XX-XX
+## 1.13.3 - 2026-03-05
 
 - Fixed validation of empty maps and arrays at the end of the metadata section.
   `MMDB_open` would incorrectly reject databases where a 0-element map or array
diff --git a/configure.ac b/configure.ac
index e5d57139..33d5f20d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ([2.63])
-AC_INIT([libmaxminddb], [1.13.2], [support@maxmind.com])
+AC_INIT([libmaxminddb], [1.13.3], [support@maxmind.com])
 AC_CONFIG_SRCDIR([include/maxminddb.h])
 AC_CONFIG_HEADERS([config.h include/maxminddb_config.h])
 
diff --git a/t/maxmind-db b/t/maxmind-db
index 809dd1ca..819f226f 160000
--- a/t/maxmind-db
+++ b/t/maxmind-db
@@ -1 +1 @@
-Subproject commit 809dd1ca37e5c9d3ebc63bf159f81ec332a4f08e
+Subproject commit 819f226fbf8290c2b171ac077e6e050618dd3574