diff --git a/go.mod b/go.mod
index 86a07f6..12854de 100644
--- a/go.mod
+++ b/go.mod
@@ -3,9 +3,8 @@ module github.com/ProtonMail/gopenpgp
 go 1.12
 
 require (
-	github.com/ProtonMail/go-mime v0.0.0-20190501141126-dc270ae56b61
-	github.com/Sirupsen/logrus v0.0.0-20180904202135-3791101e143b // indirect
-	github.com/stretchr/testify v1.3.0
+	github.com/ProtonMail/go-mime v0.0.0-20190521135552-09454e3dbe72
+	github.com/stretchr/testify v1.2.2
 	golang.org/x/crypto v0.0.0-20190513172903-22d7a77e9e5f
 )
 
diff --git a/go.sum b/go.sum
index 2dec009..9bdfdda 100644
--- a/go.sum
+++ b/go.sum
@@ -1,11 +1,7 @@
 github.com/ProtonMail/crypto v0.0.0-20190427044656-efb430e751f2 h1:AKtmaNbSAHE/YsFKiizxHLwTizqGYZXuOaAe15Qy8SE=
 github.com/ProtonMail/crypto v0.0.0-20190427044656-efb430e751f2/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-github.com/ProtonMail/go-mime v0.0.0-20190501141126-dc270ae56b61 h1:Rq3FDGRLXpMKT80U/sLisP4Z3RCS/gvbX5z6E1LzuYM=
-github.com/ProtonMail/go-mime v0.0.0-20190501141126-dc270ae56b61/go.mod h1:L7q2umv/vPG0a62Scd4fdJ+FgEsmmprZYOsSYbOFOeE=
-github.com/Sirupsen/logrus v0.0.0-20180904202135-3791101e143b h1:SNwLqnXa0wbgNW0h8glxdFFxVew3eByUHGBc9icKICM=
-github.com/Sirupsen/logrus v0.0.0-20180904202135-3791101e143b/go.mod h1:rmk17hk6i8ZSAJkSDa7nOxamrG+SP4P0mm+DAvExv4U=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/ProtonMail/go-mime v0.0.0-20190521135552-09454e3dbe72 h1:hGCc4Oc2fD3I5mNnZ1VlREncVc9EXJF8dxW3sw16gWM=
+github.com/ProtonMail/go-mime v0.0.0-20190521135552-09454e3dbe72/go.mod h1:NYt+V3/4rEeDuaev/zw1zCq8uqVEuPHzDPo3OZrlGJ4=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
@@ -14,11 +10,9 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
-github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
-github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d h1:+R4KGOnez64A81RvjARKc4UT5/tI9ujCIVX+P5KiHuI=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -26,3 +20,6 @@ golang.org/x/sys v0.0.0-20190422165155-953cdadca894 h1:Cz4ceDQGXuKRnVBDTS23GTn/p
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=