diff --git a/Cargo.lock b/Cargo.lock
index 6e735f1..63ba04d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,21 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "addr2line"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
 [[package]]
 name = "aho-corasick"
 version = "1.0.5"
@@ -25,6 +40,7 @@ dependencies = [
  "rand",
  "serde",
  "serde_repr",
+ "tokio",
  "url",
  "zbus",
 ]
@@ -107,7 +123,7 @@ dependencies = [
  "polling",
  "rustix 0.37.23",
  "slab",
- "socket2",
+ "socket2 0.4.9",
  "waker-fn",
 ]
 
@@ -216,6 +232,21 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "backtrace"
+version = "0.3.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+]
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -270,6 +301,12 @@ version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
+[[package]]
+name = "bytes"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223"
+
 [[package]]
 name = "cairo-sys-rs"
 version = "0.18.0"
@@ -602,6 +639,12 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "gimli"
+version = "0.28.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
+
 [[package]]
 name = "gio-sys"
 version = "0.18.1"
@@ -799,6 +842,26 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "miniz_oxide"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
+dependencies = [
+ "adler",
+]
+
+[[package]]
+name = "mio"
+version = "0.8.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "927a765cd3fc26206e66b296465fa9d3e5ab003e651c1b3c060e7956d96b19d2"
+dependencies = [
+ "libc",
+ "wasi",
+ "windows-sys",
+]
+
 [[package]]
 name = "nix"
 version = "0.26.4"
@@ -840,6 +903,15 @@ dependencies = [
  "objc",
 ]
 
+[[package]]
+name = "object"
+version = "0.32.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.18.0"
@@ -1053,6 +1125,12 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "rustc-demangle"
+version = "0.1.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
+
 [[package]]
 name = "rustix"
 version = "0.37.23"
@@ -1175,6 +1253,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4031e820eb552adee9295814c0ced9e5cf38ddf1e8b7d566d6de8e2538ea989e"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
@@ -1250,6 +1338,23 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
+[[package]]
+name = "tokio"
+version = "1.33.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f38200e3ef7995e5ef13baec2f432a6da0aa9ac495b2c0e8f3b7eec2c92d653"
+dependencies = [
+ "backtrace",
+ "bytes",
+ "libc",
+ "mio",
+ "pin-project-lite",
+ "signal-hook-registry",
+ "socket2 0.5.4",
+ "tracing",
+ "windows-sys",
+]
+
 [[package]]
 name = "toml"
 version = "0.7.8"
@@ -1616,6 +1721,7 @@ dependencies = [
  "serde_repr",
  "sha1",
  "static_assertions",
+ "tokio",
  "tracing",
  "uds_windows",
  "winapi",
diff --git a/Cargo.toml b/Cargo.toml
index ea91b07..add5bc8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,6 +15,10 @@ default = ["gtk3"]
 file-handle-inner = []
 gtk3 = ["gtk-sys", "glib-sys", "gobject-sys"]
 xdg-portal = ["ashpd", "urlencoding", "pollster"]
+# Use async-std for xdg-portal
+async-std = ["ashpd?/async-std"]
+# Use tokio for xdg-portal
+tokio = ["ashpd?/tokio"]
 common-controls-v6 = ["windows-sys/Win32_UI_Controls"]
 
 [dev-dependencies]
@@ -42,7 +46,7 @@ windows-sys = { version = "0.48", features = [
 
 [target.'cfg(any(target_os = "linux", target_os = "freebsd", target_os = "dragonfly", target_os = "netbsd", target_os = "openbsd"))'.dependencies]
 # XDG Desktop Portal
-ashpd = { version = "0.6", optional = true }
+ashpd = { version = "0.6", optional = true, default-features = false }
 urlencoding = { version = "2.1.0", optional = true }
 pollster = { version = "0.3", optional = true }
 # GTK
diff --git a/src/lib.rs b/src/lib.rs
index 5bc6652..5078ef5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -55,7 +55,7 @@
 //!
 //! ## XDG Desktop Portal backend
 //! The XDG Desktop Portal backend is used when the `gtk3` feature is disabled with
-//! [`default-features = false`](https://doc.rust-lang.org/cargo/reference/features.html#dependency-features), and `xdg-portal` is enabled instead. This backend will use either the GTK or KDE file dialog depending on the desktop environment
+//! [`default-features = false`](https://doc.rust-lang.org/cargo/reference/features.html#dependency-features), and `xdg-portal` is enabled instead. Either the `tokio` or `async-std` feature must be enabled. This backend will use either the GTK or KDE file dialog depending on the desktop environment
 //! in use at runtime. It does not have any non-Rust
 //! build dependencies, however it requires the user to have either the
 //! [GTK](https://github.com/flatpak/xdg-desktop-portal-gtk),