diff --git a/ChangeLog b/ChangeLog
index d9cc09d..709ebef 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-Changes in version 0.0.13 - UNRELEASED:
+Changes in version 0.0.13 - 2022-02-04:
  - Stop using utls entirely for TLS signature normalization (meek_lite).
  - Stop pinning the certificate chain for default bridges (meek_lite).
 
diff --git a/obfs4proxy/obfs4proxy.go b/obfs4proxy/obfs4proxy.go
index 628f56b..d92f5f5 100644
--- a/obfs4proxy/obfs4proxy.go
+++ b/obfs4proxy/obfs4proxy.go
@@ -50,7 +50,7 @@ import (
 )
 
 const (
-	obfs4proxyVersion = "0.0.13-dev"
+	obfs4proxyVersion = "0.0.13"
 	obfs4proxyLogFile = "obfs4proxy.log"
 	socksAddr         = "127.0.0.1:0"
 )