diff --git a/Cargo.toml b/Cargo.toml
index 473648f..e2b7d90 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,11 +10,11 @@ repository = "https://github.com/kellerkindt/asn1rs"
 license = "MIT/Apache-2.0"
 readme = "README.md"
 
-#[workspace]
-#members = [
-#    "asn1rs-macros",
-#    "asn1rs-model"
-#]
+[workspace]
+members = [
+    "asn1rs-macros",
+    "asn1rs-model"
+]
 
 [lib]
 name = "asn1rs"
@@ -35,8 +35,8 @@ serde = "1.0.195"
 serde_derive = "1.0.195"
 
 # feature asn1rs-*
-asn1rs-model =  { version = "0.3.0", path = "asn1rs-model", optional = true }
-asn1rs-macros = { version = "0.3.1", path = "asn1rs-macros", optional = true }
+asn1rs-model =  { version = "0.4.0", path = "asn1rs-model", optional = true }
+asn1rs-macros = { version = "0.4.0", path = "asn1rs-macros", optional = true }
 
 [dev-dependencies]
 syn = { version = "1.0.109", features = ["full", "visit", "extra-traits"] }
diff --git a/asn1rs-macros/Cargo.toml b/asn1rs-macros/Cargo.toml
index 3cc6af4..f31ce8b 100644
--- a/asn1rs-macros/Cargo.toml
+++ b/asn1rs-macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "asn1rs-macros"
-version = "0.3.1"
+version = "0.4.0"
 authors = ["Michael Watzko <michael@watzko.de>"]
 edition = "2018"
 description = "Macros for asn1rs"
@@ -20,6 +20,6 @@ debug-proc-macro = []
 
 
 [dependencies]
-asn1rs-model =  { version = "0.3.0", path = "../asn1rs-model" }
+asn1rs-model =  { version = "0.4.0", path = "../asn1rs-model" }
 syn = { version = "1.0.109", features = ["full", "visit", "extra-traits"] }
 quote = "1.0.35"
diff --git a/asn1rs-model/Cargo.toml b/asn1rs-model/Cargo.toml
index c2b438f..8632d7f 100644
--- a/asn1rs-model/Cargo.toml
+++ b/asn1rs-model/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "asn1rs-model"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["Michael Watzko <michael@watzko.de>"]
 edition = "2018"
 description = "Rust and Protobuf model definitions for asn1rs"