diff --git a/go.mod b/go.mod
index bc46686..7aa9694 100644
--- a/go.mod
+++ b/go.mod
@@ -16,6 +16,6 @@ require (
 	github.com/dustin/go-humanize v1.0.1
 	github.com/kjk/lzma v0.0.0-20161016003348-3fd93898850d // indirect
 	github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect
-	golang.org/x/crypto v0.17.0 // indirect
+	golang.org/x/crypto v0.31.0 // indirect
 	pault.ag/go/topsort v0.0.0-20160530003732-f98d2ad46e1a // indirect
 )
diff --git a/go.sum b/go.sum
index e5566e0..8daccab 100644
--- a/go.sum
+++ b/go.sum
@@ -14,8 +14,8 @@ github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 h1:nIPpBwaJSVYIxUFsDv3M8ofm
 github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8/go.mod h1:HUYIGzjTL3rfEspMxjDjgmT5uz5wzYJKVo23qUhYTos=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
-golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U=
+golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
 golang.org/x/exp v0.0.0-20230203172020-98cc5a0785f9 h1:frX3nT9RkKybPnjyI+yvZh6ZucTZatCCEm9D47sZ2zo=
 golang.org/x/exp v0.0.0-20230203172020-98cc5a0785f9/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=