diff --git a/docs/changelog.md b/docs/changelog.md
index 38310c6..e5c483c 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -2,7 +2,7 @@
 
 Note: releases are listed from latest to oldest.
 
-## Version 0.3 (in development)
+## Version 0.3 (10 January 2022)
 
 - New functions: `plum_load_image_limited`, `plum_check_limited_image_size`, `plum_append_metadata`
 - Added a missing check for an extremely unlikely memory allocation failure
diff --git a/header/libplum.h b/header/libplum.h
index ada6e11..3560398 100644
--- a/header/libplum.h
+++ b/header/libplum.h
@@ -2,7 +2,7 @@
 
 #define PLUM_HEADER
 
-#define PLUM_VERSION 30
+#define PLUM_VERSION 39
 
 #include <stddef.h>
 #ifndef PLUM_NO_STDINT