diff --git a/go.mod b/go.mod
index f6abff1..cb1466a 100644
--- a/go.mod
+++ b/go.mod
@@ -3,11 +3,11 @@ module git.tcp.direct/kayos/common
 go 1.19
 
 require (
-	golang.org/x/crypto v0.22.0
+	golang.org/x/crypto v0.23.0
 	nullprogram.com/x/rng v1.1.0
 )
 
-require golang.org/x/sys v0.19.0 // indirect
+require golang.org/x/sys v0.20.0 // indirect
 
 retract (
 	v0.9.1 // premature (race condition)
diff --git a/go.sum b/go.sum
index a491652..1b8eb8b 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,6 @@
-golang.org/x/crypto v0.22.0 h1:g1v0xeRhjcugydODzvb3mEM9SQ0HGp9s/nh3COQ/C30=
-golang.org/x/crypto v0.22.0/go.mod h1:vr6Su+7cTlO45qkww3VDJlzDn0ctJvRgYbC2NvXHt+M=
-golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
-golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/crypto v0.23.0 h1:dIJU/v2J8Mdglj/8rJ6UUOM3Zc9zLZxVZwwxMooUSAI=
+golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
+golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
+golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 nullprogram.com/x/rng v1.1.0 h1:SMU7DHaQSWtKJNTpNFIFt8Wd/KSmOuSDPXrMFp/UMro=
 nullprogram.com/x/rng v1.1.0/go.mod h1:glGw6V87vyfawxCzqOABL3WfL95G65az9Z2JZCylCkg=