doc/news.texi | 9 +++++++++
 run.go        | 2 +-
 usage.go      | 2 +-

diff --git a/doc/news.texi b/doc/news.texi
index bd4d191b9acfa0ae2e7b8f52b902a291d8ed462acf5c176089f91daa4e9f888e..809f2773e16669b3b1cfa8066efe662a42ba508ed050ac63bb435499798409b8 100644
--- a/doc/news.texi
+++ b/doc/news.texi
@@ -2,6 +2,15 @@ @node News
 @cindex news
 @unnumbered News
 
+@anchor{Release 2_6_4}
+@section Release 2.6.4
+@itemize
+@item
+    Fix possible NFS locking issue.
+@item
+    Updated dependant libraries.
+@end itemize
+
 @anchor{Release 2_6_3}
 @section Release 2.6.3
 @itemize
diff --git a/run.go b/run.go
index 6a6a1d6223727fbaddede3ceeb922d7797732be9c01257fa985b140285a43ab3..2da9eeceed62600ce58a0157583c4f838838cc57f9a36b0b18ad85d3408e0f98 100644
--- a/run.go
+++ b/run.go
@@ -227,7 +227,7 @@ 			defer Jobs.Done()
 			tracef(CLock, "LOCK_EX: %s", fdLock.Name())
 		LockAgain:
 			if err = unix.FcntlFlock(fdLock.Fd(), unix.F_SETLKW, &flock); err != nil {
-				if errors.Is(err, unix.EDEADLK) {
+				if errors.Is(err, unix.EDEADLK) || errors.Is(err, unix.EINTR) {
 					time.Sleep(10 * time.Millisecond)
 					goto LockAgain
 				}
diff --git a/usage.go b/usage.go
index 89e52b13b1b8c55ffa3139625ae2eb00e22c99a250bd0d7fdd436818994762d7..375f8249d08988645a4502de37d9230275d20b3cef0603920ec063ce7b5965b4 100644
--- a/usage.go
+++ b/usage.go
@@ -22,7 +22,7 @@ 	"os"
 )
 
 const (
-	Version  = "2.6.3"
+	Version  = "2.6.4"
 	Warranty = `Copyright (C) 2020-2025 Sergey Matveev
 
 This program is free software: you can redistribute it and/or modify