diff --git a/go.mod b/go.mod
index be62d46..d148a39 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/invopop/gobl.fatturapa
 go 1.20
 
 require (
-	github.com/invopop/gobl v0.80.2-0.20240717130326-6f551acf496e
+	github.com/invopop/gobl v0.81.0
 	github.com/invopop/xmldsig v0.8.0
 	github.com/magefile/mage v1.14.0
 	github.com/spf13/cobra v1.7.0
diff --git a/go.sum b/go.sum
index 0afb37b..58baeb1 100644
--- a/go.sum
+++ b/go.sum
@@ -21,8 +21,8 @@ github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
-github.com/invopop/gobl v0.80.2-0.20240717130326-6f551acf496e h1:uz7iSPjO714qsaRW3hszLblRhaHas7E/i3HZ2EnDyx0=
-github.com/invopop/gobl v0.80.2-0.20240717130326-6f551acf496e/go.mod h1:3ixShxX1jlOKo5Rw22HVQh3jXnK9AZa7Twcw7L92qn0=
+github.com/invopop/gobl v0.81.0 h1:bFzXkiNCdjXZcTrggsM8bzeddPDwAk/sUxinK7jaSlQ=
+github.com/invopop/gobl v0.81.0/go.mod h1:3ixShxX1jlOKo5Rw22HVQh3jXnK9AZa7Twcw7L92qn0=
 github.com/invopop/jsonschema v0.12.0 h1:6ovsNSuvn9wEQVOyc72aycBMVQFKz7cPdMJn10CvzRI=
 github.com/invopop/jsonschema v0.12.0/go.mod h1:ffZ5Km5SWWRAIN6wbDXItl95euhFz2uON45H2qjYt+0=
 github.com/invopop/validation v0.3.0 h1:o260kbjXzoBO/ypXDSSrCLL7SxEFUXBsX09YTE9AxZw=