go.mod | 6 +++---
 go.sum | 8 ++++----

diff --git a/go.mod b/go.mod
index a4d9dc1322a576377d2dcd8298b6913cdb579562..706b3e70e8fd00941e584780f010afd2707a04bb 100644
--- a/go.mod
+++ b/go.mod
@@ -1,7 +1,7 @@
 module go.cypherpunks.ru/gohpenc/v3
 
-go 1.17
+go 1.20
 
-require golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90
+require golang.org/x/crypto v0.11.0
 
-require golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect
+require golang.org/x/sys v0.10.0 // indirect
diff --git a/go.sum b/go.sum
index f461fd9d6c0c955595d9e4c4282d9f81f5c81f5e..7f8014749c2bb938e3fc00468de78ef41a590751 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
-golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90 h1:Y/gsMcFOcR+6S6f3YeMKl5g+dZMEWqcz5Czj/GWYbkM=
-golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
-golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 h1:SrN+KX8Art/Sf4HNj6Zcz06G7VEz+7w9tdXTPOZ7+l4=
-golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
+golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
+golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
+golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=