diff --git a/go.mod b/go.mod
index 8b988c7..0883de5 100644
--- a/go.mod
+++ b/go.mod
@@ -3,13 +3,13 @@ module github.com/siderolabs/go-api-signature
 go 1.22.0
 
 require (
-	github.com/ProtonMail/go-crypto v1.1.0-alpha.5.0.20240827111422-b5837fa4476e
+	github.com/ProtonMail/go-crypto v1.1.0-alpha.5-proton
 	github.com/ProtonMail/gopenpgp/v2 v2.7.5
 	github.com/adrg/xdg v0.5.0
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.22.0
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c
 	github.com/stretchr/testify v1.9.0
-	google.golang.org/grpc v1.66.0
+	google.golang.org/grpc v1.67.0
 	google.golang.org/protobuf v1.34.2
 )
 
diff --git a/go.sum b/go.sum
index bee0928..3303400 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,8 @@
 github.com/ProtonMail/go-crypto v0.0.0-20230717121422-5aa5874ade95/go.mod h1:EjAoLdwvbIOoOQr3ihjnSoLZRtE8azugULFRteWMNc0=
 github.com/ProtonMail/go-crypto v1.1.0-alpha.5.0.20240827111422-b5837fa4476e h1:O1cSHAcGcbGEO66Qi2AIJeYmXO8iP4L/PNrbdN+RjJA=
 github.com/ProtonMail/go-crypto v1.1.0-alpha.5.0.20240827111422-b5837fa4476e/go.mod h1:rA3QumHc/FZ8pAHreoekgiAbzpNsfQAosU5td4SnOrE=
+github.com/ProtonMail/go-crypto v1.1.0-alpha.5-proton h1:KVBEgU3CJpmzLChnLiSuEyCuhGhcMt3eOST+7A+ckto=
+github.com/ProtonMail/go-crypto v1.1.0-alpha.5-proton/go.mod h1:rA3QumHc/FZ8pAHreoekgiAbzpNsfQAosU5td4SnOrE=
 github.com/ProtonMail/go-mime v0.0.0-20230322103455-7d82a3887f2f h1:tCbYj7/299ekTTXpdwKYF8eBlsYsDVoggDAuAjoK66k=
 github.com/ProtonMail/go-mime v0.0.0-20230322103455-7d82a3887f2f/go.mod h1:gcr0kNtGBqin9zDW9GOHcVntrwnjrK+qdJ06mWYBybw=
 github.com/ProtonMail/gopenpgp/v2 v2.7.5 h1:STOY3vgES59gNgoOt2w0nyHBjKViB/qSg7NjbQWPJkA=
@@ -100,6 +102,8 @@ google.golang.org/grpc v1.65.0 h1:bs/cUb4lp1G5iImFFd3u5ixQzweKizoZJAwBNLR42lc=
 google.golang.org/grpc v1.65.0/go.mod h1:WgYC2ypjlB0EiQi6wdKixMqukr6lBc0Vo+oOgjrM5ZQ=
 google.golang.org/grpc v1.66.0 h1:DibZuoBznOxbDQxRINckZcUvnCEvrW9pcWIE2yF9r1c=
 google.golang.org/grpc v1.66.0/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
+google.golang.org/grpc v1.67.0 h1:IdH9y6PF5MPSdAntIcpjQ+tXO41pcQsfZV2RxtQgVcw=
+google.golang.org/grpc v1.67.0/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
 google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
 google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=