diff --git a/CHANGELOG.md b/CHANGELOG.md
index 23bd112369659d2fda23e5eeff196d9c0db09056..cc1ed1e8f53299da131d1fe5f334422c0f79223e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## Unreleased
 
+## 0.10.7.1-4.0.0-alpha.13 - 2022-02-12
+
+* first stages of a rudimentary modding API
+* physicalDevelopment now applies to a growing PC
 * dairy converted to DOM
 * personal attention applicable to master suite slaves
 * Cosmetic implant surgeries reworked to be more realistic: implant size that can be fit in is dynamically computed based on asset size, players don't need to begin with the smallest size anymore if a bigger fits. Cosmetic implant surgeries now cost a lot more (beware, autosurgery is also affected!) to compensate for achieving the grow targets quickly. Autosurgery can be tuned to use only specific set of implant types and its note in the end week logs became more detailed and visually detectable.
diff --git a/src/002-config/fc-version.js b/src/002-config/fc-version.js
index 66ecf8e3b9faf351de6ed2a36b8314d65712cbe1..58ea261e2c714e822332dee1e58712504ae84ac3 100644
--- a/src/002-config/fc-version.js
+++ b/src/002-config/fc-version.js
@@ -1,6 +1,6 @@
 App.Version = {
 	base: "0.10.7.1", // The vanilla version the mod is based off of, this should never be changed.
-	pmod: "4.0.0-alpha.12",
+	pmod: "4.0.0-alpha.13",
 	commitHash: null,
 	release: 1160, // When getting close to 2000, please remove the check located within the onLoad() function defined at line five of src/js/eventHandlers.js.
 };