diff --git a/go.mod b/go.mod
index 712a6089..fb242c67 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/ProtonMail/go-crypto
 go 1.23.0
 
 require (
-	github.com/cloudflare/circl v1.6.2
+	github.com/cloudflare/circl v1.6.3
 	golang.org/x/crypto v0.41.0
 )
 
diff --git a/go.sum b/go.sum
index a9320020..5f973c48 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/cloudflare/circl v1.6.2 h1:hL7VBpHHKzrV5WTfHCaBsgx/HGbBYlgrwvNXEVDYYsQ=
-github.com/cloudflare/circl v1.6.2/go.mod h1:2eXP6Qfat4O/Yhh8BznvKnJ+uzEoTQ6jVKJRn81BiS4=
+github.com/cloudflare/circl v1.6.3 h1:9GPOhQGF9MCYUeXyMYlqTR6a5gTrgR/fBLXvUgtVcg8=
+github.com/cloudflare/circl v1.6.3/go.mod h1:2eXP6Qfat4O/Yhh8BznvKnJ+uzEoTQ6jVKJRn81BiS4=
 golang.org/x/crypto v0.41.0 h1:WKYxWedPGCTVVl5+WHSSrOBT0O8lx32+zxmHxijgXp4=
 golang.org/x/crypto v0.41.0/go.mod h1:pO5AFd7FA68rFak7rOAGVuygIISepHftHnr8dr6+sUc=
 golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=