diff --git a/mmgen/data/release_date b/mmgen/data/release_date
index cf39f54f..7dd5935b 100644
--- a/mmgen/data/release_date
+++ b/mmgen/data/release_date
@@ -1 +1 @@
-February 2021
+October 2021
diff --git a/mmgen/data/version b/mmgen/data/version
index 61ab16ee..02161ca8 100644
--- a/mmgen/data/version
+++ b/mmgen/data/version
@@ -1 +1 @@
-0.12.199
+13.0.0