diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 5436a4086..5fc22ba11 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -114,7 +114,10 @@ jobs:
         run: cp .github/workflows/msrv_toolchain.toml rust-toolchain.toml
       - uses: Swatinem/rust-cache@v2
       - name: Build
-        run: cargo xtask build
+        # Build uefi-test-runner since its dependency tree includes all the
+        # library packages. Note that xtask isn't used or built here; since it's
+        # just a dev tool we don't care about the MSRV for that package.
+        run: cargo build --target x86_64-unknown-uefi -p uefi-test-runner
   # This job requires the nightly channel, but keep it as a separate job from
   # `nightly_channel` because it takes a while to run.
   build_feature_permutations:
diff --git a/Cargo.lock b/Cargo.lock
index 5a95e50bd..ae0bff778 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -118,9 +118,9 @@ checksum = "fd16c4719339c4530435d38e511904438d07cce7950afa3718a84ac36c10e89e"
 
 [[package]]
 name = "clap"
-version = "4.4.18"
+version = "4.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e578d6ec4194633722ccf9544794b71b1385c3c027efe0c55db226fc880865c"
+checksum = "90bc066a67923782aa8515dbaea16946c5bcc5addbd668bb80af688e53e548a0"
 dependencies = [
  "clap_builder",
  "clap_derive",
@@ -128,9 +128,9 @@ dependencies = [
 
 [[package]]
 name = "clap_builder"
-version = "4.4.18"
+version = "4.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4df4df40ec50c46000231c914968278b1eb05098cf8f1b3a518a95030e71d1c7"
+checksum = "ae129e2e766ae0ec03484e609954119f123cc1fe650337e155d03b022f24f7b4"
 dependencies = [
  "anstyle",
  "clap_lex",
@@ -138,11 +138,11 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "4.4.7"
+version = "4.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf9804afaaf59a91e75b022a30fb7229a7901f60c755489cc61c9b423b836442"
+checksum = "528131438037fd55894f62d6e9f068b8f45ac57ffa77517819645d10aed04f64"
 dependencies = [
- "heck",
+ "heck 0.5.0",
  "proc-macro2",
  "quote",
  "syn 2.0.60",
@@ -150,9 +150,9 @@ dependencies = [
 
 [[package]]
 name = "clap_lex"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
+checksum = "98cc8fbded0c607b7ba9dd60cd98df59af97e84d24e49c8557331cfc26d301ce"
 
 [[package]]
 name = "cpufeatures"
@@ -331,6 +331,12 @@ version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
+[[package]]
+name = "heck"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
 [[package]]
 name = "idna"
 version = "0.3.0"
@@ -1191,7 +1197,7 @@ dependencies = [
  "clap",
  "fatfs",
  "fs-err",
- "heck",
+ "heck 0.4.1",
  "itertools",
  "lzma-rs",
  "mbrman",