diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a88311..1cdd0db 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## [1.21.5](https://github.com/mattstratton/castanet/tree/1.21.5) (2023-04-17)
+
 ## [1.21.4](https://github.com/mattstratton/castanet/tree/1.21.4) (2023-04-17)
 
 ## [1.21.3](https://github.com/mattstratton/castanet/tree/1.21.3) (2023-04-17)
diff --git a/theme.toml b/theme.toml
index 3f19bcb..9de660e 100644
--- a/theme.toml
+++ b/theme.toml
@@ -9,7 +9,7 @@ homepage = "https://github.com/mattstratton/castanet"
 tags = ["podcast", "responsive"]
 features = ["podcast RSS", "subscribe buttons"]
 min_version = "0.69.2"
-theme_version = "1.21.5"
+theme_version = "1.21.6"
 
 [author]
   name = "Matt Stratton"