diff --git a/go.mod b/go.mod
index fd32e45..cc55e37 100644
--- a/go.mod
+++ b/go.mod
@@ -4,8 +4,8 @@ go 1.17
 
 require (
 	github.com/digitorus/pdf v0.1.2
-	github.com/digitorus/pkcs7 v0.0.0-20220704143225-a9c8106cbfc6
-	github.com/digitorus/timestamp v0.0.0-20220704143351-8225fba02d52
+	github.com/digitorus/pkcs7 v0.0.0-20221212123742-001c36b64ec3
+	github.com/digitorus/timestamp v0.0.0-20221118121739-0faba6f30e54
 	github.com/mattetti/filebuffer v1.0.1
-	golang.org/x/crypto v0.0.0-20220307211146-efcb8507fb70
+	golang.org/x/crypto v0.6.0
 )
diff --git a/go.sum b/go.sum
index d8c9623..c021f4d 100644
--- a/go.sum
+++ b/go.sum
@@ -8,6 +8,9 @@ github.com/digitorus/pkcs7 v0.0.0-20200320092839-808436b6f6d1 h1:V1cgDSp4Kq4eMCf
 github.com/digitorus/pkcs7 v0.0.0-20200320092839-808436b6f6d1/go.mod h1:p2IZ9yq2kEKGFr3rfpYxaaOzB0VdLbF8VkZReEIpJmU=
 github.com/digitorus/pkcs7 v0.0.0-20220704143225-a9c8106cbfc6 h1:b98clxJQS08ohZb7PuAqYJw6WvIJGcAWoUVPgOHwNw0=
 github.com/digitorus/pkcs7 v0.0.0-20220704143225-a9c8106cbfc6/go.mod h1:ajT9Iifwrck892Z07+wD+dRRv9ULmlmPG0A+OHSrDuQ=
+github.com/digitorus/pkcs7 v0.0.0-20221019075359-21b8b40e6bb4/go.mod h1:SKVExuS+vpu2l9IoOc0RwqE7NYnb0JlcFHFnEJkVDzc=
+github.com/digitorus/pkcs7 v0.0.0-20221212123742-001c36b64ec3 h1:rjCXeRWazGsbcBlExMcAW8H1LGdgJ9r619y7+aeKgds=
+github.com/digitorus/pkcs7 v0.0.0-20221212123742-001c36b64ec3/go.mod h1:SKVExuS+vpu2l9IoOc0RwqE7NYnb0JlcFHFnEJkVDzc=
 github.com/digitorus/timestamp v0.0.0-20210102082646-54ddd7720e27 h1:X8tvQGATvS7vQBAPPn0f7nQPcTamu4ecCbRafPrBgik=
 github.com/digitorus/timestamp v0.0.0-20210102082646-54ddd7720e27/go.mod h1:IKw2TcDeMaZrNjpdq7gPc7I+a21+Sn34bUqWrTc70Hs=
 github.com/digitorus/timestamp v0.0.0-20220630080933-558840f252f5 h1:zYpNMBe+1x3h0FMTJThci7KimEldiiOrn0ENMP6+I/8=
@@ -16,10 +19,14 @@ github.com/digitorus/timestamp v0.0.0-20220630150916-a1b00e34b289 h1:WIoYZV4zZKw
 github.com/digitorus/timestamp v0.0.0-20220630150916-a1b00e34b289/go.mod h1:IKw2TcDeMaZrNjpdq7gPc7I+a21+Sn34bUqWrTc70Hs=
 github.com/digitorus/timestamp v0.0.0-20220704143351-8225fba02d52 h1:8yE7SkzxCSHuu6++s3P2lJJZGLLS8Q5uL3MMwK3wD/U=
 github.com/digitorus/timestamp v0.0.0-20220704143351-8225fba02d52/go.mod h1:pSqPNzhOhJrn3N5w7GvPHUuaGa7pPf4cKNm57fGLe2E=
+github.com/digitorus/timestamp v0.0.0-20221118121739-0faba6f30e54 h1:VPfvrlgI2O3mQjBBLywtPxjDMlpWYWobXN3nk26Ht0k=
+github.com/digitorus/timestamp v0.0.0-20221118121739-0faba6f30e54/go.mod h1:6V2ND8Yf8TOJ4h+9pmUlx8kXvNLBB2QplToVVZQ3rF0=
 github.com/mattetti/filebuffer v1.0.1 h1:gG7pyfnSIZCxdoKq+cPa8T0hhYtD9NxCdI4D7PTjRLM=
 github.com/mattetti/filebuffer v1.0.1/go.mod h1:YdMURNDOttIiruleeVr6f56OrMc+MydEnTcXwtkxNVs=
 golang.org/x/crypto v0.0.0-20220307211146-efcb8507fb70 h1:syTAU9FwmvzEoIYMqcPHOcVm4H3U5u90WsvuYgwpETU=
 golang.org/x/crypto v0.0.0-20220307211146-efcb8507fb70/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.6.0 h1:qfktjS5LUO+fFKeJXZ+ikTRijMmljikvG68fpMMruSc=
+golang.org/x/crypto v0.6.0/go.mod h1:OFC/31mSvZgRz0V1QTNCzfAI1aIRzbiufJtkMIlEp58=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=