doc/news.texi | 8 ++++++++
 go.mod        | 2 +-
 go.sum        | 4 ++--
 makedist.sh   | 5 -----
 usage.go      | 2 +-

diff --git a/doc/news.texi b/doc/news.texi
index a8e6ba6dc15f5a31c84132ae179f4c6d6627844a85527adb6120a5e78081a7c0..c5e171ab832c5669f123c6662719d3cf06d0978840ed8cd79b0e6391004671dd 100644
--- a/doc/news.texi
+++ b/doc/news.texi
@@ -1,6 +1,14 @@
 @node News
 @unnumbered News
 
+@anchor{Release 0.12.3}
+@section Release 0.12.3
+@itemize
+@item
+    Use an updated @code{lukechampine.com/blake3} with possibly working
+    arm64 macOS fix.
+@end itemize
+
 @anchor{Release 0.12.2}
 @section Release 0.12.2
 @itemize
diff --git a/go.mod b/go.mod
index ba28cd5f44c33bb0cedd8a057b4b5d2da2e4df246ccb8642bfd5f547818e8f92..4747908ecf45b0492fed440e3e890036f01465883495f561383f452ca79cfd1e 100644
--- a/go.mod
+++ b/go.mod
@@ -7,5 +7,5 @@ 	go.cypherpunks.ru/recfile v0.4.2
 	go.cypherpunks.ru/tai64n v0.2.1
 	golang.org/x/sys v0.0.0-20210108172913-0df2131ae363
 	golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf
-	lukechampine.com/blake3 v1.1.4
+	lukechampine.com/blake3 v1.1.5
 )
diff --git a/go.sum b/go.sum
index a5711c1607c9980e34409feffd646514716aa22af2853d89717d28c1d509a8e0..47fe08c8a91ae7e702fdce523db5318a23cde485bf8c3cda40dc9ad2bb5babfc 100644
--- a/go.sum
+++ b/go.sum
@@ -9,5 +9,5 @@ golang.org/x/sys v0.0.0-20210108172913-0df2131ae363 h1:wHn06sgWHMO1VsQ8F+KzDJx/JzqfsNLnc+oEi07qD7s=
 golang.org/x/sys v0.0.0-20210108172913-0df2131ae363/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf h1:MZ2shdL+ZM/XzY3ZGOnh4Nlpnxz5GSOhOmtHo3iPU6M=
 golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-lukechampine.com/blake3 v1.1.4 h1:cVl4fhMGfCaCFrs4sBb8R/iEMeL0g4CfQp/sAHBDxOI=
-lukechampine.com/blake3 v1.1.4/go.mod h1:hE8RpzdO8ttZ7446CXEwDP1eu2V4z7stv0Urj1El20g=
+lukechampine.com/blake3 v1.1.5 h1:hsACfxWvLdGmjYbWGrumQIphOvO+ZruZehWtgd2fxoM=
+lukechampine.com/blake3 v1.1.5/go.mod h1:hE8RpzdO8ttZ7446CXEwDP1eu2V4z7stv0Urj1El20g=
diff --git a/makedist.sh b/makedist.sh
index 74a9c79b16ed6043380675e49e9a3626f25051ca1201c44dfc31bb38b579721a..7dcd21cd3b03b756ce5f53c62b0e40a0860dbb7fdf19fb0a52cb2aac01f86d00 100755
--- a/makedist.sh
+++ b/makedist.sh
@@ -72,11 +72,6 @@ modvendor -v -copy="**/*_test.go **/private-gen.go **/main.go **/vectors.json **/gen.go"
 rm -rf vendor/golang.org/x/sys/plan9 vendor/golang.org/x/sys/windows
 find vendor/golang.org/x/sys -name "*_test.go" -delete
 find . \( -name .gitignore -o -name .travis.yml \) -delete
-
-rm vendor/lukechampine.com/blake3/cpu_darwin.go
-sed -n -i.tmp '3,$p' vendor/lukechampine.com/blake3/cpu.go
-rm vendor/lukechampine.com/blake3/cpu.go.tmp
-
 cd ..
 
 ########################################################################
diff --git a/usage.go b/usage.go
index f54a471e2c3da068e0495b3afaee3b17acf59eabbd94a5ab0e8269c02cb94516..7138538f24bffe757acbadcc4ae0d5b706087f43a68d6ac9f27ad7d64db6caf1 100644
--- a/usage.go
+++ b/usage.go
@@ -26,7 +26,7 @@ 	"strings"
 )
 
 const (
-	Version  = "0.12.2"
+	Version  = "0.12.3"
 	Warranty = `This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, version 3 of the License.