diff --git a/Cargo.lock b/Cargo.lock
index 9e8d5307..9b07a356 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -450,7 +450,7 @@ checksum = "643f8f41a8ebc4c5dc4515c82bb8abd397b527fc20fd681b7c011c2aee5d44fb"
 
 [[package]]
 name = "rasn"
-version = "0.3.0-alpha.0"
+version = "0.3.0"
 dependencies = [
  "bitvec",
  "bytes",
@@ -468,7 +468,7 @@ dependencies = [
 
 [[package]]
 name = "rasn-derive"
-version = "0.2.1"
+version = "0.3.0"
 dependencies = [
  "itertools 0.10.1",
  "proc-macro2",
@@ -478,7 +478,7 @@ dependencies = [
 
 [[package]]
 name = "rasn-mib"
-version = "0.1.0"
+version = "0.3.0"
 dependencies = [
  "rasn",
  "rasn-smi",
@@ -486,7 +486,7 @@ dependencies = [
 
 [[package]]
 name = "rasn-smi"
-version = "0.1.0"
+version = "0.3.0"
 dependencies = [
  "chrono",
  "rasn",
@@ -495,7 +495,7 @@ dependencies = [
 
 [[package]]
 name = "rasn-snmp"
-version = "0.1.0"
+version = "0.3.0"
 dependencies = [
  "rasn",
  "rasn-smi",
diff --git a/Cargo.toml b/Cargo.toml
index 07103ef2..064f896f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rasn"
-version = "0.3.0-alpha.0"
+version = "0.3.0"
 categories = ["encoding", "no-std", "parser-implementations"]
 authors = ["Erin Power <xampprocky@gmail.com>"]
 edition = "2018"
@@ -39,7 +39,7 @@ num-traits = { version = "0.2.14", default-features = false }
 snafu = { version = "0.6.10", default-features = false }
 bytes = { version = "1.0.1", default-features = false }
 bitvec = { version = "0.22.3", default-features = false, features = ["alloc"] }
-rasn-derive = { version = "0.2.0", path = "macros", optional = true }
+rasn-derive = { version = "0.3.0", path = "macros", optional = true }
 chrono = { version = "0.4.19", default-features = false, features = ["alloc"] }
 static_assertions = "1.1.0"
 
diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index 3b65f548..482937c4 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rasn-derive"
-version = "0.2.1"
+version = "0.3.0"
 categories = ["encoding", "no-std", "parser-implementations"]
 authors = ["Erin Power <xampprocky@gmail.com>"]
 edition = "2018"
diff --git a/macros/src/config.rs b/macros/src/config.rs
index 4608c810..ebce2daa 100644
--- a/macros/src/config.rs
+++ b/macros/src/config.rs
@@ -232,7 +232,7 @@ impl<'a> FieldConfig<'a> {
                 } else if path.is_ident("default") {
                     default = Some(match item {
                         syn::Meta::List(list) => list.nested.iter().cloned().filter_map(unested_meta).map(|m| m.path().clone()).next(),
-                        _ => panic!("default must provided zero arguments or a path to a function use as a default."),
+                        _ => None
                     });
                 }
             }
diff --git a/standards/mib/Cargo.toml b/standards/mib/Cargo.toml
index 61a9e95f..5a182277 100644
--- a/standards/mib/Cargo.toml
+++ b/standards/mib/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rasn-mib"
-version = "0.1.0"
+version = "0.3.0"
 edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/standards/smi/Cargo.toml b/standards/smi/Cargo.toml
index 1dae0c0d..1f1559fb 100644
--- a/standards/smi/Cargo.toml
+++ b/standards/smi/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rasn-smi"
-version = "0.1.0"
+version = "0.3.0"
 authors = ["Erin Power <xampprocky@gmail.com>"]
 edition = "2018"
 
diff --git a/standards/snmp/Cargo.toml b/standards/snmp/Cargo.toml
index 95fc3bde..a7ed457f 100644
--- a/standards/snmp/Cargo.toml
+++ b/standards/snmp/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rasn-snmp"
-version = "0.1.0"
+version = "0.3.0"
 edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/tests/derive.rs b/tests/derive.rs
index 1b3f6c79..a32fb176 100644
--- a/tests/derive.rs
+++ b/tests/derive.rs
@@ -103,7 +103,9 @@ fn automatic_tagging() {
     #[derive(AsnType, Debug, Default, Decode, Encode, PartialEq)]
     #[rasn(automatic_tagging)]
     struct Bools {
+        #[rasn(default)]
         a: bool,
+        #[rasn(default)]
         b: bool,
     }