diff --git a/go.mod b/go.mod
index d9612eb3a1fed93804d5bd9f13398f539d60f74b..748caec9ea611fad7bf1c8e213ac1065f70ded09 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/gofrs/flock v0.8.1
 	golang.org/x/crypto v0.14.0
 	gopkg.in/yaml.v3 v3.0.1
-	pault.ag/go/debian v0.15.0
+	pault.ag/go/debian v0.16.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index d55f8951bba6a7841232093e54528487d36f7dc9..97ccf84e42f59853e23227fe3b550affae5c27c9 100644
--- a/go.sum
+++ b/go.sum
@@ -24,5 +24,7 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 pault.ag/go/debian v0.15.0 h1:x2VLkGx/nTvGdgW0+FzFSgQZKt7zo9zSVYkikRjNTns=
 pault.ag/go/debian v0.15.0/go.mod h1:JFl0XWRCv9hWBrB5MDDZjA5GSEs1X3zcFK/9kCNIUmE=
+pault.ag/go/debian v0.16.0 h1:fivXn/IO9rn2nzTGndflDhOkNU703Axs/StWihOeU2g=
+pault.ag/go/debian v0.16.0/go.mod h1:JFl0XWRCv9hWBrB5MDDZjA5GSEs1X3zcFK/9kCNIUmE=
 pault.ag/go/topsort v0.1.1 h1:L0QnhUly6LmTv0e3DEzbN2q6/FGgAcQvaEw65S53Bg4=
 pault.ag/go/topsort v0.1.1/go.mod h1:r1kc/L0/FZ3HhjezBIPaNVhkqv8L0UJ9bxRuHRVZ0q4=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index df915f5afea05080cae42e9811732ce383cfa543..ced926f8014a5cef88f83d0cde1cf577aae1f4c2 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -32,7 +32,7 @@ golang.org/x/sys/unix
 # gopkg.in/yaml.v3 v3.0.1
 ## explicit
 gopkg.in/yaml.v3
-# pault.ag/go/debian v0.15.0
+# pault.ag/go/debian v0.16.0
 ## explicit; go 1.19
 pault.ag/go/debian/control
 pault.ag/go/debian/deb
diff --git a/vendor/pault.ag/go/debian/dependency/parser.go b/vendor/pault.ag/go/debian/dependency/parser.go
index f45eed4fe1eb8a6fc7101beb9dd29f3229731a18..bf700d01012d51b9de765f690f9d5b06f4ef3b7b 100644
--- a/vendor/pault.ag/go/debian/dependency/parser.go
+++ b/vendor/pault.ag/go/debian/dependency/parser.go
@@ -166,7 +166,7 @@ func parsePossibility(input *input, relation *Relation) error {
 				return err
 			}
 			continue
-		case ' ':
+		case ' ', '(':
 			err := parsePossibilityControllers(input, ret)
 			if err != nil {
 				return err