diff --git a/CHANGELOG.md b/CHANGELOG.md
index a71b6dd..e7bbd31 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.12.1 - 2026-09-19
+
+- Cache repeated KSP property and accessor discovery within one processor invocation; generated output, diagnostics, and runtime behavior are unchanged.
+
 ## 0.12.0 - 2026-09-19
 
 - Generate renderers into a fixed set of 32 source files chosen by a stable hash of the
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 540a240..a8bd3c9 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -20,7 +20,7 @@ include("runtime", "compiler", "spring", "gradle-plugin", "settings-plugin", "ex
 
 gradle.lifecycle.beforeProject {
     group = "no.beint.thim"
-    version = "0.12.0"
+    version = "0.12.1"
     plugins.withId("java") {
         extensions.configure<JavaPluginExtension> {
             toolchain.languageVersion.set(JavaLanguageVersion.of(27))