diff --git a/go.mod b/go.mod
index 519fdac..faa6932 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.21
 require (
 	github.com/google/certificate-transparency-go v1.1.8
 	github.com/google/go-cmp v0.6.0
-	golang.org/x/crypto v0.21.0
+	golang.org/x/crypto v0.22.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index 571ddd9..894781f 100644
--- a/go.sum
+++ b/go.sum
@@ -4,7 +4,7 @@ github.com/google/certificate-transparency-go v1.1.8 h1:LGYKkgZF7satzgTak9R4yzfJ
 github.com/google/certificate-transparency-go v1.1.8/go.mod h1:bV/o8r0TBKRf1X//iiiSgWrvII4d7/8OiA+3vG26gI8=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-golang.org/x/crypto v0.21.0 h1:X31++rzVUdKhX5sWmSOFZxx8UW/ldWx55cbf08iNAMA=
-golang.org/x/crypto v0.21.0/go.mod h1:0BP7YvVV9gBbVKyeTG0Gyn+gZm94bibOW5BjDEYAOMs=
+golang.org/x/crypto v0.22.0 h1:g1v0xeRhjcugydODzvb3mEM9SQ0HGp9s/nh3COQ/C30=
+golang.org/x/crypto v0.22.0/go.mod h1:vr6Su+7cTlO45qkww3VDJlzDn0ctJvRgYbC2NvXHt+M=
 k8s.io/klog/v2 v2.120.1 h1:QXU6cPEOIslTGvZaXvFWiP9VKyeet3sawzTOvdXb4Vw=
 k8s.io/klog/v2 v2.120.1/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE=