diff --git a/.hgtags b/.hgtags
index 07e641d42..8fc60f55b 100644
--- a/.hgtags
+++ b/.hgtags
@@ -64,3 +64,4 @@ af860de70cc3f157ac34ca1d4bf557a057bff775 2.4.0
 8828c924acae0b4cad2e2cb92943d51da7cb744a 2.4.1
 8d051f89184bfa3033f5e59819dff9f32a612941 2.4.2
 a064ad64d167508a8e9e73766b1a4e6bd10c85db 2.5.0
+039d543d1ca02a716c0b0de9a7131beb8021e8a2 2.5.1