diff --git a/Cargo.lock b/Cargo.lock
index 88866a6..900dc6f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1173,7 +1173,7 @@ dependencies = [
 
 [[package]]
 name = "serenity-commands"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "serenity",
  "serenity-commands-macros",
@@ -1183,7 +1183,7 @@ dependencies = [
 
 [[package]]
 name = "serenity-commands-macros"
-version = "0.1.0"
+version = "0.2.0"
 dependencies = [
  "darling",
  "proc-macro2",
diff --git a/Cargo.toml b/Cargo.toml
index 84daf4e..e86da90 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -45,10 +45,10 @@ members = [".", "macros"]
     license = "MIT"
     readme = "README.md"
     repository = "https://github.com/vidhanio/serenity-commands"
-    version = "0.1.0"
+    version = "0.2.0"
 
     [workspace.dependencies]
-    serenity-commands-macros = { version = "0.1", path = "macros" }
+    serenity-commands-macros = { version = "0.2", path = "macros" }
 
     serenity = { version = "0.12", default-features = false, features = [
         "builder",
diff --git a/src/lib.rs b/src/lib.rs
index 4960ac0..f44d453 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -247,7 +247,7 @@ use thiserror::Error;
 pub type Result<T> = std::result::Result<T, Error>;
 
 /// An error which can occur when extracting data from a command interaction.
-#[derive(Debug, Clone, Error)]
+#[derive(Debug, Error)]
 pub enum Error {
     /// An unknown command was provided.
     #[error("unknown command: {0}")]
@@ -280,6 +280,10 @@ pub enum Error {
     /// A required command option was not provided.
     #[error("required command option not provided")]
     MissingRequiredCommandOption,
+
+    /// An error occurred within a custom implementation.
+    #[error(transparent)]
+    Custom(#[from] Box<dyn std::error::Error + Send + Sync>),
 }
 
 /// A top-level utility structure which can list all of its commands (for use