diff --git a/CHANGELOG b/CHANGELOG
index bb7ef96e0..88379ab19 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+# 3.2.1 (2021-XX-XX)
+
+ * n/a
+
 # 3.2.0 (2021-01-05)
 
  * Add the Cache extension in the "extra" repositories: "cache" tag
diff --git a/src/Environment.php b/src/Environment.php
index e34e7ffce..043148656 100644
--- a/src/Environment.php
+++ b/src/Environment.php
@@ -38,12 +38,12 @@ use Twig\TokenParser\TokenParserInterface;
  */
 class Environment
 {
-    const VERSION = '3.2.0';
-    const VERSION_ID = 30200;
+    const VERSION = '3.2.1-DEV';
+    const VERSION_ID = 30201;
     const MAJOR_VERSION = 3;
     const MINOR_VERSION = 2;
-    const RELEASE_VERSION = 0;
-    const EXTRA_VERSION = '';
+    const RELEASE_VERSION = 1;
+    const EXTRA_VERSION = 'DEV';
 
     private $charset;
     private $loader;