diff --git a/codegen/go.mod b/codegen/go.mod
index 0c1d821..c2ab5fc 100644
--- a/codegen/go.mod
+++ b/codegen/go.mod
@@ -1,9 +1,9 @@
 module github.com/sumup/sumup-dotnet/codegen
 
-go 1.25
+go 1.25.0
 
 require (
-	github.com/pb33f/libopenapi v0.34.0
+	github.com/pb33f/libopenapi v0.34.3
 	go.yaml.in/yaml/v4 v4.0.0-rc.4
 )
 
@@ -12,5 +12,5 @@ require (
 	github.com/buger/jsonparser v1.1.2 // indirect
 	github.com/pb33f/jsonpath v0.8.1 // indirect
 	github.com/pb33f/ordered-map/v2 v2.3.0 // indirect
-	golang.org/x/sync v0.19.0 // indirect
+	golang.org/x/sync v0.20.0 // indirect
 )
diff --git a/codegen/go.sum b/codegen/go.sum
index 32302cc..0f5c3fb 100644
--- a/codegen/go.sum
+++ b/codegen/go.sum
@@ -6,8 +6,8 @@ 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/pb33f/jsonpath v0.8.1 h1:84C6QRyx6HcSm6PZnsMpcqYot3IsZ+m0n95+0NbBbvs=
 github.com/pb33f/jsonpath v0.8.1/go.mod h1:zBV5LJW4OQOPatmQE2QdKpGQJvhDTlE5IEj6ASaRNTo=
-github.com/pb33f/libopenapi v0.34.0 h1:jY8pf4yBHRObnNBrjuVDhVpgKjSUE8hLFpeoYtyQ/eo=
-github.com/pb33f/libopenapi v0.34.0/go.mod h1:YOP20KzYe3mhE5301aQzJtzQ9MnvhABBGO7RMttA4V4=
+github.com/pb33f/libopenapi v0.34.3 h1:3D1N56ayc7iOeEnKoy85QDe4tFbg5G1sj2J5UISi4Is=
+github.com/pb33f/libopenapi v0.34.3/go.mod h1:sD2REdvz9QSFY9enfFHBCwwwZ41k/86krTM9qtKEBwQ=
 github.com/pb33f/ordered-map/v2 v2.3.0 h1:k2OhVEQkhTCQMhAicQ3Z6iInzoZNQ7L9MVomwKBZ5WQ=
 github.com/pb33f/ordered-map/v2 v2.3.0/go.mod h1:oe5ue+6ZNhy7QN9cPZvPA23Hx0vMHnNVeMg4fGdCANw=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@@ -16,7 +16,7 @@ github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 go.yaml.in/yaml/v4 v4.0.0-rc.4 h1:UP4+v6fFrBIb1l934bDl//mmnoIZEDK0idg1+AIvX5U=
 go.yaml.in/yaml/v4 v4.0.0-rc.4/go.mod h1:aZqd9kCMsGL7AuUv/m/PvWLdg5sjJsZ4oHDEnfPPfY0=
-golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
-golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
+golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=