diff --git a/Cargo.lock b/Cargo.lock
index cecdca65..340058a6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -951,7 +951,7 @@ checksum = "37909eebbb50d72f9059c3b6d82c0463f2ff062c9e95845c43a6c9c0355411be"
 
 [[package]]
 name = "fbuild-bench-fastled-examples"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "fbuild-core",
  "fbuild-library-select",
@@ -965,7 +965,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-build"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "blake3",
@@ -1002,7 +1002,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-build-arm"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "blake3",
@@ -1036,7 +1036,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-build-engine"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "blake3",
@@ -1069,7 +1069,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-build-esp"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "blake3",
@@ -1103,7 +1103,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-build-mcu"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "blake3",
@@ -1137,7 +1137,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-cli"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "blake3",
  "clap",
@@ -1169,7 +1169,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-config"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "fbuild-core",
  "fbuild-paths",
@@ -1184,7 +1184,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-core"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "fs2",
@@ -1211,7 +1211,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-daemon"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "axum",
@@ -1248,7 +1248,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-deploy"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "espflash",
@@ -1276,7 +1276,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-header-scan"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "criterion",
  "fbuild-paths",
@@ -1287,7 +1287,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-library"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "axum",
@@ -1317,7 +1317,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-library-select"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "bincode",
  "blake3",
@@ -1338,7 +1338,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-packages"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "axum",
@@ -1370,7 +1370,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-packages-fetch"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "axum",
@@ -1399,7 +1399,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-paths"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "blake3",
  "fbuild-core",
@@ -1411,7 +1411,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-python"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "base64",
  "fbuild-core",
@@ -1433,7 +1433,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-serial"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "base64",
@@ -1456,7 +1456,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-test-support"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "fbuild-config",
  "fbuild-core",
@@ -1476,7 +1476,7 @@ dependencies = [
 
 [[package]]
 name = "fbuild-toolchain"
-version = "2.5.19"
+version = "2.5.20"
 dependencies = [
  "async-trait",
  "axum",
diff --git a/Cargo.toml b/Cargo.toml
index 373f1913..098b8d11 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -70,7 +70,7 @@ exclude = [
 libraries = [{ path = "dylints/*" }]
 
 [workspace.package]
-version = "2.5.19"
+version = "2.5.20"
 edition = "2021"
 rust-version = "1.95.0"
 license = "AGPL-3.0-only"
diff --git a/crates/fbuild-toolchain/src/toolchain/esp_qemu_runtime.rs b/crates/fbuild-toolchain/src/toolchain/esp_qemu_runtime.rs
index 573f436e..90cb54fe 100644
--- a/crates/fbuild-toolchain/src/toolchain/esp_qemu_runtime.rs
+++ b/crates/fbuild-toolchain/src/toolchain/esp_qemu_runtime.rs
@@ -167,13 +167,13 @@ fn runtime_arch(host: HostPlatform) -> Result<&'static str> {
 /// SHA-256 of each published bundle. An architecture without an entry has no
 /// bundle yet: report that plainly instead of downloading something unpinned.
 ///
-/// aarch64 is built by `.github/workflows/qemu-runtime-bundle.yml` on a native
-/// arm64 runner — Docker Desktop's arm64 emulation cannot run dpkg's
-/// maintainer scripts, so it cannot be produced from an x86_64 developer
-/// workstation the way the x86_64 bundle was.
+/// Both are built by `.github/workflows/qemu-runtime-bundle.yml`; aarch64 needs
+/// its native arm64 runner because Docker Desktop's arm64 emulation cannot run
+/// dpkg's maintainer scripts.
 fn runtime_sha256(arch: &str) -> Result<&'static str> {
     match arch {
         "x86_64" => Ok("b3318ccf60df8e17a42b5b0f61180440f56337fadb0babe867bff1f3dfecd99f"),
+        "aarch64" => Ok("1782782a25f1a375c03bcdc1aafb7444f46d5f2fa40d66793dd530b76c62da0a"),
         other => Err(FbuildError::PackageError(format!(
             "no QEMU runtime-library bundle is published for linux-{other} yet (tracked in the {RUNTIME_RELEASE_TAG} release).\n\
              Install the QEMU runtime libraries from your distribution — on Debian/Ubuntu: libslirp0, libsdl2-2.0-0, libpixman-1-0."
diff --git a/pyproject.toml b/pyproject.toml
index 18f4d399..9cd0f26d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "fbuild"
-version = "2.5.19"
+version = "2.5.20"
 description = "PlatformIO-compatible embedded build tool (Rust implementation)"
 readme = "README.md"
 license = "AGPL-3.0-only"