diff --git a/go.mod b/go.mod
index 572e913..1af7390 100644
--- a/go.mod
+++ b/go.mod
@@ -38,7 +38,7 @@ require (
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )
 
-replace golang.org/x/sys => github.com/rwinkhart/sys v0.39.0
+replace golang.org/x/sys => github.com/rwinkhart/sys v0.40.0
 
 replace github.com/Microsoft/go-winio => github.com/rwinkhart/go-winio v0.1.0
 
diff --git a/go.sum b/go.sum
index 18ad274..39a7399 100644
--- a/go.sum
+++ b/go.sum
@@ -54,8 +54,8 @@ github.com/rwinkhart/peercred-mini v0.1.2 h1:4cGWDbv0whvLeVvbUdx84V/9p+2fS+DEXgr
 github.com/rwinkhart/peercred-mini v0.1.2/go.mod h1:LLHG7YshHEpbpJJP+Il9nx2dnGj5O3VGE32rWmflj0c=
 github.com/rwinkhart/rcw v0.2.4 h1:FrRSsl+ui1WLmDwqjLSROtFPKqSeGLEfF2SPENt4qP0=
 github.com/rwinkhart/rcw v0.2.4/go.mod h1:nhW4RAHvEjW2QcOlqEdWqRQOFJLjoOGSPkSRZlMjU3s=
-github.com/rwinkhart/sys v0.39.0 h1:bSBJcThxIIKWIq86zagXaJ7Z5sCoPF78lsyq1kANVEM=
-github.com/rwinkhart/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+github.com/rwinkhart/sys v0.40.0 h1:ZPBbXb+27vLL518sZhhNV89jXK1KbCnFGmYJ2juOQ/c=
+github.com/rwinkhart/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=