diff --git a/src/cli.rs b/src/cli.rs
index 3f12aaf..2f05778 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -1,6 +1,7 @@
 use crate::config::CreatorType;
 use clap::{Args, Parser, Subcommand};
 use clap_verbosity_flag::{InfoLevel, Verbosity};
+use std::path::PathBuf;
 
 #[derive(Parser)]
 #[command(version, about = "Upload and reference Roblox assets in code.")]
@@ -65,6 +66,10 @@ pub struct SyncArgs {
     /// Provides Roblox with the amount of Robux that you are willing to spend on each non-free asset upload.
     #[arg(long)]
     pub expected_price: Option<u32>,
+
+    /// Path to the project directory. Defaults to the current directory.
+    #[arg(short, long, default_value = ".")]
+    pub project: PathBuf,
 }
 
 impl SyncArgs {
@@ -108,4 +113,8 @@ pub struct UploadArgs {
 pub struct MigrateLockfileArgs {
     /// The default input name to use. Only applies when upgrading from V0 to V1.
     pub input_name: Option<String>,
+
+    /// Path to the project directory. Defaults to the current directory.
+    #[arg(short, long, default_value = ".")]
+    pub project: PathBuf,
 }
diff --git a/src/config.rs b/src/config.rs
index fe18b8f..8db4f58 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -16,6 +16,9 @@ pub struct Config {
 
     /// A map of input names to input configurations
     pub inputs: HashMap<String, Input>,
+
+    #[serde(skip)]
+    pub project_dir: PathBuf,
 }
 
 pub type InputMap = HashMap<String, Input>;
@@ -23,11 +26,14 @@ pub type InputMap = HashMap<String, Input>;
 pub const FILE_NAME: &str = "asphalt.toml";
 
 impl Config {
-    pub async fn read() -> anyhow::Result<Config> {
-        let config = fs::read_to_string(FILE_NAME)
+    pub async fn read_from(project_dir: PathBuf) -> anyhow::Result<Config> {
+        let config_path = project_dir.join(FILE_NAME);
+        let config_str = fs::read_to_string(&config_path)
             .await
             .context("Failed to read config file")?;
-        let config: Config = toml::from_str(&config)?;
+
+        let mut config: Config = toml::from_str(&config_str)?;
+        config.project_dir = project_dir;
 
         Ok(config)
     }
diff --git a/src/lockfile.rs b/src/lockfile.rs
index e5c8aaf..9068255 100644
--- a/src/lockfile.rs
+++ b/src/lockfile.rs
@@ -41,11 +41,12 @@ impl Lockfile {
             .insert(hash.to_owned(), entry);
     }
 
-    pub async fn write(&self, filename: Option<&Path>) -> anyhow::Result<()> {
+    pub async fn write_to(&self, project_dir: &Path) -> anyhow::Result<()> {
         let mut content = toml::to_string(self)?;
         content.insert_str(0, "# This file is automatically @generated by Asphalt.\n# It is not intended for manual editing.\n");
 
-        fs::write(filename.unwrap_or(Path::new(FILE_NAME)), content).await?;
+        let lockfile_path = project_dir.join(FILE_NAME);
+        fs::write(lockfile_path, content).await?;
         Ok(())
     }
 }
@@ -82,8 +83,9 @@ impl Default for RawLockfile {
 }
 
 impl RawLockfile {
-    pub async fn read() -> anyhow::Result<RawLockfile> {
-        let content = fs::read_to_string(FILE_NAME).await;
+    pub async fn read_from(project_dir: &Path) -> anyhow::Result<RawLockfile> {
+        let lockfile_path = project_dir.join(FILE_NAME);
+        let content = fs::read_to_string(&lockfile_path).await;
 
         let content = match content {
             Err(_) => return Ok(Self::default()),
diff --git a/src/migrate_lockfile.rs b/src/migrate_lockfile.rs
index a0e0000..40b4cc0 100644
--- a/src/migrate_lockfile.rs
+++ b/src/migrate_lockfile.rs
@@ -1,9 +1,10 @@
-use crate::{cli::MigrateLockfileArgs, lockfile::RawLockfile};
+use crate::{cli::MigrateLockfileArgs, config::Config, lockfile::RawLockfile};
 
 pub async fn migrate_lockfile(args: MigrateLockfileArgs) -> anyhow::Result<()> {
-    let file = RawLockfile::read().await?;
+    let config = Config::read_from(args.project).await?;
+    let file = RawLockfile::read_from(&config.project_dir).await?;
     let migrated = file.migrate(args.input_name.as_deref()).await?;
-    migrated.write(None).await?;
+    migrated.write_to(&config.project_dir).await?;
 
     Ok(())
 }
diff --git a/src/sync/backend/debug.rs b/src/sync/backend/debug.rs
index 2b01520..4904afb 100644
--- a/src/sync/backend/debug.rs
+++ b/src/sync/backend/debug.rs
@@ -3,18 +3,18 @@ use crate::{asset::Asset, lockfile::LockfileEntry, sync::backend::Params};
 use anyhow::Context;
 use fs_err::tokio as fs;
 use log::info;
-use std::{env, path::PathBuf};
+use std::path::PathBuf;
 
 pub struct Debug {
     sync_path: PathBuf,
 }
 
 impl Backend for Debug {
-    async fn new(_: Params) -> anyhow::Result<Self>
+    async fn new(params: Params) -> anyhow::Result<Self>
     where
         Self: Sized,
     {
-        let debug_path = env::current_dir()?.join(".asphalt-debug");
+        let debug_path = params.project_dir.join(".asphalt-debug");
         info!("Assets will be synced to: {}", debug_path.display());
 
         if debug_path.exists() {
diff --git a/src/sync/backend/mod.rs b/src/sync/backend/mod.rs
index 4c32d2a..961a94d 100644
--- a/src/sync/backend/mod.rs
+++ b/src/sync/backend/mod.rs
@@ -3,6 +3,7 @@ use crate::{
     config,
     lockfile::LockfileEntry,
 };
+use std::path::PathBuf;
 
 mod cloud;
 pub use cloud::Cloud;
@@ -29,4 +30,5 @@ pub struct Params {
     pub api_key: Option<String>,
     pub creator: config::Creator,
     pub expected_price: Option<u32>,
+    pub project_dir: PathBuf,
 }
diff --git a/src/sync/collect.rs b/src/sync/collect.rs
index bc2c6c1..fdb8c9f 100644
--- a/src/sync/collect.rs
+++ b/src/sync/collect.rs
@@ -25,6 +25,7 @@ pub async fn collect_events(
     target: SyncTarget,
     inputs: InputMap,
     mp: MultiProgress,
+    base_dir: &std::path::Path,
 ) -> anyhow::Result<CollectResults> {
     let mut new_lockfile = Lockfile::default();
 
@@ -81,7 +82,7 @@ pub async fn collect_events(
                         if new {
                             progress.new += 1;
                             if target.write_on_sync() {
-                                new_lockfile.write(None).await?;
+                                new_lockfile.write_to(base_dir).await?;
                             }
                         }
                     }
diff --git a/src/sync/mod.rs b/src/sync/mod.rs
index be86392..223b988 100644
--- a/src/sync/mod.rs
+++ b/src/sync/mod.rs
@@ -61,10 +61,12 @@ enum EventState {
 }
 
 pub async fn sync(args: SyncArgs, mp: MultiProgress) -> anyhow::Result<()> {
-    let config = Config::read().await?;
+    let config = Config::read_from(args.project.clone()).await?;
     let target = args.target();
 
-    let existing_lockfile = RawLockfile::read().await?.into_lockfile()?;
+    let existing_lockfile = RawLockfile::read_from(&config.project_dir)
+        .await?
+        .into_lockfile()?;
 
     let font_db = Arc::new({
         let mut db = fontdb::Database::new();
@@ -76,7 +78,8 @@ pub async fn sync(args: SyncArgs, mp: MultiProgress) -> anyhow::Result<()> {
 
     let collector_handle = tokio::spawn({
         let inputs = config.inputs.clone();
-        async move { collect_events(event_rx, target, inputs, mp).await }
+        let project_dir = config.project_dir.clone();
+        async move { collect_events(event_rx, target, inputs, mp, &project_dir).await }
     });
 
     let params = walk::Params {
@@ -88,6 +91,7 @@ pub async fn sync(args: SyncArgs, mp: MultiProgress) -> anyhow::Result<()> {
                 api_key: args.api_key,
                 creator: config.creator.clone(),
                 expected_price: args.expected_price,
+                project_dir: config.project_dir.clone(),
             };
             match &target {
                 SyncTarget::Cloud { dry_run: false } => {
@@ -117,7 +121,7 @@ pub async fn sync(args: SyncArgs, mp: MultiProgress) -> anyhow::Result<()> {
     }
 
     if target.write_on_sync() {
-        results.new_lockfile.write(None).await?;
+        results.new_lockfile.write_to(&config.project_dir).await?;
     }
 
     for (input_name, source) in results.input_sources {
@@ -140,8 +144,9 @@ pub async fn sync(args: SyncArgs, mp: MultiProgress) -> anyhow::Result<()> {
             };
             let code = codegen::generate_code(lang, &input_name, &node)?;
 
-            fs::create_dir_all(&input.output_path).await?;
-            fs::write(input.output_path.join(format!("{input_name}.{ext}")), code).await?;
+            let output_path = config.project_dir.join(&input.output_path);
+            fs::create_dir_all(&output_path).await?;
+            fs::write(output_path.join(format!("{input_name}.{ext}")), code).await?;
         }
     }
 
diff --git a/src/sync/walk.rs b/src/sync/walk.rs
index 205700f..3e83d8f 100644
--- a/src/sync/walk.rs
+++ b/src/sync/walk.rs
@@ -43,10 +43,12 @@ pub async fn walk(params: Params, config: &Config, tx: &UnboundedSender<super::E
     let params = Arc::new(params);
 
     for (input_name, input) in &config.inputs {
+        let input_prefix = config.project_dir.join(input.include.get_prefix());
+
         let state = Arc::new(InputState {
             params: params.clone(),
             input_name: input_name.clone(),
-            input_prefix: input.include.get_prefix(),
+            input_prefix: input_prefix.clone(),
             seen_hashes: Arc::new(Mutex::new(HashMap::new())),
             bleed: input.bleed,
         });
@@ -54,11 +56,18 @@ pub async fn walk(params: Params, config: &Config, tx: &UnboundedSender<super::E
         let mut join_set = JoinSet::new();
         let semaphore = Arc::new(Semaphore::new(50));
 
-        for entry in WalkDir::new(input.include.get_prefix())
+        for entry in WalkDir::new(&input_prefix)
             .into_iter()
             .filter_entry(|entry| {
                 let path = entry.path();
-                path == input.include.get_prefix() || input.include.is_match(path)
+                if path == input_prefix {
+                    return true;
+                }
+                if let Ok(rel_path) = path.strip_prefix(&config.project_dir) {
+                    input.include.is_match(rel_path)
+                } else {
+                    false
+                }
             })
         {
             let Ok(entry) = entry else { continue };