diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index db991eba3..59b9c9015 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -13,6 +13,7 @@ jobs:
           - stable
           - beta
           - nightly
+          - 1.54
         target:
           - x86_64-unknown-linux-gnu
           - x86_64-unknown-linux-musl
diff --git a/Cargo.toml b/Cargo.toml
index 5aa75ead6..80d9c37c8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,6 +8,8 @@ build = "build.rs"
 license = "LICENSE-APACHE & LICENSE-BSD-3-Clause"
 description = "Open source Virtual Machine Monitor (VMM) that runs on top of KVM"
 homepage = "https://github.com/cloud-hypervisor/cloud-hypervisor"
+# Minimum buildable version:
+# Keep in sync with version in .github/workflows/build.yaml
 rust-version = "1.54"
 
 [profile.release]