diff --git a/hk.pkl b/hk.pkl
index 5360fced..23bb33f7 100644
--- a/hk.pkl
+++ b/hk.pkl
@@ -1,4 +1,4 @@
-amends "package://github.com/jdx/hk/releases/download/v1.55.0/hk@1.55.0#/Config.pkl"
+amends "package://github.com/jdx/hk/releases/download/v1.56.1/hk@1.56.1#/Config.pkl"
 
 // Shared hk preset (@gtbuchanan/tooling). Self-host imports it by relative
 // path because tooling can't `package://`-import its own unpublished
diff --git a/mise.lock b/mise.lock
index f5997905..a7e22bb6 100644
--- a/mise.lock
+++ b/mise.lock
@@ -40,38 +40,38 @@ url = "https://github.com/rhysd/actionlint/releases/download/v1.7.12/actionlint_
 provenance = "github-attestations"
 
 [[tools.hk]]
-version = "1.55.0"
+version = "1.56.1"
 backend = "aqua:jdx/hk"
 
 [tools.hk."platforms.linux-arm64"]
-checksum = "sha256:64c44aa0f26e995f7d9c44cc9c5116e20052bcefc821daf17ce3df265bb0b2d6"
-url = "https://github.com/jdx/hk/releases/download/v1.55.0/hk-aarch64-unknown-linux-gnu.tar.gz"
-url_api = "https://api.github.com/repos/jdx/hk/releases/assets/510729669"
+checksum = "sha256:cd671706a273dac35b012fd585a0fba1b0c0f340558dccfd4c9a4b976a794597"
+url = "https://github.com/jdx/hk/releases/download/v1.56.1/hk-aarch64-unknown-linux-gnu.tar.gz"
+url_api = "https://api.github.com/repos/jdx/hk/releases/assets/525632120"
 
 [tools.hk."platforms.linux-arm64-musl"]
-checksum = "sha256:21eccba81a4b9ac73431d876d8ed5add16a01df360f6d3d576279903254599f6"
-url = "https://github.com/jdx/hk/releases/download/v1.55.0/hk-aarch64-unknown-linux-musl.tar.gz"
-url_api = "https://api.github.com/repos/jdx/hk/releases/assets/510729671"
+checksum = "sha256:5feac3cfcdae33227197d0104832b91a5d293733320632c3c19f864866a6c8ce"
+url = "https://github.com/jdx/hk/releases/download/v1.56.1/hk-aarch64-unknown-linux-musl.tar.gz"
+url_api = "https://api.github.com/repos/jdx/hk/releases/assets/525632119"
 
 [tools.hk."platforms.linux-x64"]
-checksum = "sha256:efd6ed276ae8a26cc95fcb8c83051d9a3fd05e124d38170c0f057a716e9de94d"
-url = "https://github.com/jdx/hk/releases/download/v1.55.0/hk-x86_64-unknown-linux-gnu.tar.gz"
-url_api = "https://api.github.com/repos/jdx/hk/releases/assets/510729679"
+checksum = "sha256:67157431e36bb523213d8361a9f59b6eb718f80ae8534827849552b3c6c92a04"
+url = "https://github.com/jdx/hk/releases/download/v1.56.1/hk-x86_64-unknown-linux-gnu.tar.gz"
+url_api = "https://api.github.com/repos/jdx/hk/releases/assets/525632131"
 
 [tools.hk."platforms.linux-x64-musl"]
-checksum = "sha256:f00e04f536bec16bbc8c7cf8696f834d6ad80ddbcc1e653e3110d12ee4de2b42"
-url = "https://github.com/jdx/hk/releases/download/v1.55.0/hk-x86_64-unknown-linux-musl.tar.gz"
-url_api = "https://api.github.com/repos/jdx/hk/releases/assets/510729680"
+checksum = "sha256:e7435c1aec98f60d98712da3231541987ac67c017c001f767c0f37bd517cfe43"
+url = "https://github.com/jdx/hk/releases/download/v1.56.1/hk-x86_64-unknown-linux-musl.tar.gz"
+url_api = "https://api.github.com/repos/jdx/hk/releases/assets/525632133"
 
 [tools.hk."platforms.macos-arm64"]
-checksum = "sha256:a995ff68402bcf6c16ab054e4c45db592213bcd661c9b92003d4a62f2d56d4b1"
-url = "https://github.com/jdx/hk/releases/download/v1.55.0/hk-aarch64-apple-darwin.tar.gz"
-url_api = "https://api.github.com/repos/jdx/hk/releases/assets/510729670"
+checksum = "sha256:f8400a1427e66f1b968e58568115a2138b5d0fe88e0561b97d3822648b7e35ea"
+url = "https://github.com/jdx/hk/releases/download/v1.56.1/hk-aarch64-apple-darwin.tar.gz"
+url_api = "https://api.github.com/repos/jdx/hk/releases/assets/525632123"
 
 [tools.hk."platforms.windows-x64"]
-checksum = "sha256:402b3c9c5f9a5b3cb8ab6229d0f6d169b122fc3db1e39fc2fa53421a1aa24fc5"
-url = "https://github.com/jdx/hk/releases/download/v1.55.0/hk-x86_64-pc-windows-msvc.zip"
-url_api = "https://api.github.com/repos/jdx/hk/releases/assets/510729674"
+checksum = "sha256:4ccf353e484997dd4975361b6433f3b2661f5db614f2b382cddcac7eaa74a604"
+url = "https://github.com/jdx/hk/releases/download/v1.56.1/hk-x86_64-pc-windows-msvc.zip"
+url_api = "https://api.github.com/repos/jdx/hk/releases/assets/525632118"
 
 [[tools.node]]
 version = "24.19.0"
diff --git a/mise.toml b/mise.toml
index abdd53f1..8b86ec71 100644
--- a/mise.toml
+++ b/mise.toml
@@ -41,7 +41,7 @@ run_windows = "pnpm install --frozen-lockfile"
 
 [tools]
 actionlint = "1.7.12"
-hk = "1.55.0"
+hk = "1.56.1"
 node = "24.19.0"
 # Exempt transitive `@yarnpkg/libzip` from aube's no-downgrade policy — its
 # latest is a benign manual publish missing the provenance its CI releases had.
diff --git a/packages/hk-config/Defaults.pkl b/packages/hk-config/Defaults.pkl
index b7181014..d0cd015c 100644
--- a/packages/hk-config/Defaults.pkl
+++ b/packages/hk-config/Defaults.pkl
@@ -6,8 +6,8 @@
 @ModuleInfo { minPklVersion = "0.27.2" }
 module gtbuchanan.hk.Defaults
 
-import "package://github.com/jdx/hk/releases/download/v1.55.0/hk@1.55.0#/Config.pkl"
-import "package://github.com/jdx/hk/releases/download/v1.55.0/hk@1.55.0#/Builtins.pkl"
+import "package://github.com/jdx/hk/releases/download/v1.56.1/hk@1.56.1#/Config.pkl"
+import "package://github.com/jdx/hk/releases/download/v1.56.1/hk@1.56.1#/Builtins.pkl"
 
 /// Machine-generated lockfiles — exempt from the file-hygiene fixers.
 lockfileExclude: Regex = Regex(#"[-.]lock(\.|$)"#)