diff --git a/CHANGELOG b/CHANGELOG
index 96de568ce..80435375e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,4 +1,4 @@
-XX April 2020: mitmproxy 5.1
+13 April 2020: mitmproxy 5.1
 
   ** Major Changes **
     * Initial Support for TLS 1.3
diff --git a/mitmproxy/version.py b/mitmproxy/version.py
index 82368296b..0741aa24f 100644
--- a/mitmproxy/version.py
+++ b/mitmproxy/version.py
@@ -2,7 +2,7 @@ import os
 import subprocess
 import sys
 
-VERSION = "6.0.0.dev"
+VERSION = "5.1.0"
 PATHOD = "pathod " + VERSION
 MITMPROXY = "mitmproxy " + VERSION