diff --git a/book/src/tutorial/app.md b/book/src/tutorial/app.md
index 8cc04b1f..a8582ab0 100644
--- a/book/src/tutorial/app.md
+++ b/book/src/tutorial/app.md
@@ -19,7 +19,7 @@ In `cargo.toml`, add a few dependencies:
 [dependencies]
 log = "0.4"
 uefi = "0.25"
-uefi-services = "0.21"
+uefi-services = "0.22"
 ```
 
 Replace the contents of `src/main.rs` with this:
diff --git a/template/Cargo.toml b/template/Cargo.toml
index da21f423..766bc636 100644
--- a/template/Cargo.toml
+++ b/template/Cargo.toml
@@ -6,4 +6,4 @@ publish = false
 
 [dependencies]
 uefi = { version = "0.25.0", features = ["alloc"] }
-uefi-services = "0.21.0"
+uefi-services = "0.22.0"