diff --git a/changelogs/3.9.md b/changelogs/3.9.md
index 0618aef71..57c82b7cd 100644
--- a/changelogs/3.9.md
+++ b/changelogs/3.9.md
@@ -99,4 +99,9 @@ Plugin developers should **only** update their required API to this version if y
   - `pocketmine\level\Explosion`:
     - `explodeA()`
     - `explodeB()`
-- Fixed various cosmetic documentation inconsistencies in the core and dependencies.
\ No newline at end of file
+- Fixed various cosmetic documentation inconsistencies in the core and dependencies.
+
+# 3.9.7
+- Fixed a crash that could occur during timezone detection.
+- Squid no longer spin around constantly in enclosed spaces. Their performance impact is reduced.
+- Cleaned up the bootstrap file.
\ No newline at end of file
diff --git a/src/pocketmine/VersionInfo.php b/src/pocketmine/VersionInfo.php
index fd7e7bd86..4ae068b90 100644
--- a/src/pocketmine/VersionInfo.php
+++ b/src/pocketmine/VersionInfo.php
@@ -23,5 +23,5 @@ namespace pocketmine;
 
 const NAME = "PocketMine-MP";
 const BASE_VERSION = "3.9.7";
-const IS_DEVELOPMENT_BUILD = true;
+const IS_DEVELOPMENT_BUILD = false;
 const BUILD_NUMBER = 0;