diff --git a/go.mod b/go.mod
index db3de75..09beabc 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.21.0
 require (
 	github.com/google/certificate-transparency-go v1.2.1
 	github.com/google/go-cmp v0.6.0
-	golang.org/x/crypto v0.26.0
+	golang.org/x/crypto v0.27.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index 8d317fc..186776a 100644
--- a/go.sum
+++ b/go.sum
@@ -4,7 +4,7 @@ github.com/google/certificate-transparency-go v1.2.1 h1:4iW/NwzqOqYEEoCBEFP+jPbB
 github.com/google/certificate-transparency-go v1.2.1/go.mod h1:bvn/ytAccv+I6+DGkqpvSsEdiVGramgaSC6RD3tEmeE=
 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 v0.26.0 h1:RrRspgV4mU+YwB4FYnuBoKsUapNIL5cohGAmSH3azsw=
-golang.org/x/crypto v0.26.0/go.mod h1:GY7jblb9wI+FOo5y8/S2oY4zWP07AkOJ4+jxCqdqn54=
+golang.org/x/crypto v0.27.0 h1:GXm2NjJrPaiv/h1tb2UH8QfgC/hOf/+z0p6PT8o1w7A=
+golang.org/x/crypto v0.27.0/go.mod h1:1Xngt8kV6Dvbssa53Ziq6Eqn0HqbZi5Z6R0ZpwQzt70=
 k8s.io/klog/v2 v2.120.1 h1:QXU6cPEOIslTGvZaXvFWiP9VKyeet3sawzTOvdXb4Vw=
 k8s.io/klog/v2 v2.120.1/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE=