diff --git a/pkgs/psf/black/pkg.yaml b/pkgs/psf/black/pkg.yaml
index d2f69d5583d..d667a38fb59 100644
--- a/pkgs/psf/black/pkg.yaml
+++ b/pkgs/psf/black/pkg.yaml
@@ -1,5 +1,7 @@
 packages:
   - name: psf/black@25.12.0
+  - name: psf/black
+    version: 25.9.0
   - name: psf/black
     version: 22.8.0
   - name: psf/black
diff --git a/pkgs/psf/black/registry.yaml b/pkgs/psf/black/registry.yaml
index 6cb73783753..ca248b5ef57 100644
--- a/pkgs/psf/black/registry.yaml
+++ b/pkgs/psf/black/registry.yaml
@@ -24,7 +24,7 @@ packages:
         format: raw
         supported_envs:
           - windows
-      - version_constraint: "true"
+      - version_constraint: semver("<= 25.9.0")
         asset: black_{{.OS}}
         format: raw
         replacements:
@@ -33,3 +33,16 @@ packages:
           - darwin
           - windows
           - amd64
+      - version_constraint: "true"
+        asset: black_{{.OS}}
+        format: raw
+        replacements:
+          arm64: arm
+          darwin: macos
+        overrides:
+          - goos: linux
+            goarch: arm64
+            asset: black_{{.OS}}-{{.Arch}}
+          - goos: windows
+            goarch: arm64
+            asset: black_{{.OS}}-{{.Arch}}
diff --git a/registry.yaml b/registry.yaml
index efb5d5dfbb2..85703ede302 100644
--- a/registry.yaml
+++ b/registry.yaml
@@ -66893,7 +66893,7 @@ packages:
         format: raw
         supported_envs:
           - windows
-      - version_constraint: "true"
+      - version_constraint: semver("<= 25.9.0")
         asset: black_{{.OS}}
         format: raw
         replacements:
@@ -66902,6 +66902,19 @@ packages:
           - darwin
           - windows
           - amd64
+      - version_constraint: "true"
+        asset: black_{{.OS}}
+        format: raw
+        replacements:
+          arm64: arm
+          darwin: macos
+        overrides:
+          - goos: linux
+            goarch: arm64
+            asset: black_{{.OS}}-{{.Arch}}
+          - goos: windows
+            goarch: arm64
+            asset: black_{{.OS}}-{{.Arch}}
   - type: github_release
     repo_owner: pulumi
     repo_name: esc