diff --git a/go.mod b/go.mod
index 2ea2a5d..ec8efc4 100644
--- a/go.mod
+++ b/go.mod
@@ -5,6 +5,6 @@ require (
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/spf13/cobra v0.0.3
 	github.com/spf13/pflag v1.0.3 // indirect
-	github.com/unidoc/unipdf/v3 v3.6.0
+	github.com/unidoc/unipdf/v3 v3.6.1
 	golang.org/x/image v0.0.0-20190321063152-3fc05d484e9f // indirect
 )
diff --git a/go.sum b/go.sum
index a12277b..f9e8bd3 100644
--- a/go.sum
+++ b/go.sum
@@ -25,8 +25,8 @@ github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnIn
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/unidoc/unipdf/v3 v3.6.0 h1:ajyu0gW0M6RY+XTAyx6mx/fdvwUxbVl654EDNOn3+84=
-github.com/unidoc/unipdf/v3 v3.6.0/go.mod h1:oB/vP2a5OJfA5Op0X26CFX1JC8yECO2w+f6pMO/zpoo=
+github.com/unidoc/unipdf/v3 v3.6.1 h1:T9bb9NkFRuv3EKFranrgyCBS4sFV9LKc20UvuDJxhCU=
+github.com/unidoc/unipdf/v3 v3.6.1/go.mod h1:oB/vP2a5OJfA5Op0X26CFX1JC8yECO2w+f6pMO/zpoo=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5 h1:58fnuSXlxZmFdJyvtTFVmVhcMLU6v5fEb/ok4wyqtNU=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=