diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 0a0f809f2..90257063f 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -16,7 +16,7 @@
   "deps": {
     "recipe_engine": {
       "branch": "master",
-      "revision": "42f6841b9e7d40b310e52425c71ca77dbe2ac1f2",
+      "revision": "fc83ebe9d2ed46c6b7147997a6987e0f42d962f4",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py.git"
     }
   },
diff --git a/recipes/README.recipes.md b/recipes/README.recipes.md
index 8de3e2dc0..5c2de819f 100644
--- a/recipes/README.recipes.md
+++ b/recipes/README.recipes.md
@@ -1063,21 +1063,21 @@ Move things around in a loop!
 
 — **def [RunSteps](/recipes/recipe_modules/windows_sdk/examples/full.py#13)(api):**
 
-[recipe_engine/recipe_modules/buildbucket]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-buildbucket
-[recipe_engine/recipe_modules/cipd]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-cipd
-[recipe_engine/recipe_modules/commit_position]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-commit_position
-[recipe_engine/recipe_modules/context]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-context
-[recipe_engine/recipe_modules/cq]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-cq
-[recipe_engine/recipe_modules/file]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-file
-[recipe_engine/recipe_modules/json]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-json
-[recipe_engine/recipe_modules/path]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-path
-[recipe_engine/recipe_modules/platform]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-platform
-[recipe_engine/recipe_modules/properties]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-properties
-[recipe_engine/recipe_modules/python]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-python
-[recipe_engine/recipe_modules/raw_io]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-raw_io
-[recipe_engine/recipe_modules/runtime]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-runtime
-[recipe_engine/recipe_modules/source_manifest]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-source_manifest
-[recipe_engine/recipe_modules/step]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-step
-[recipe_engine/recipe_modules/url]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-url
-[recipe_engine/recipe_modules/version]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/README.recipes.md#recipe_modules-version
-[recipe_engine/wkt/RecipeApi]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/42f6841b9e7d40b310e52425c71ca77dbe2ac1f2/recipe_engine/recipe_api.py#871
+[recipe_engine/recipe_modules/buildbucket]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-buildbucket
+[recipe_engine/recipe_modules/cipd]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-cipd
+[recipe_engine/recipe_modules/commit_position]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-commit_position
+[recipe_engine/recipe_modules/context]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-context
+[recipe_engine/recipe_modules/cq]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-cq
+[recipe_engine/recipe_modules/file]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-file
+[recipe_engine/recipe_modules/json]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-json
+[recipe_engine/recipe_modules/path]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-path
+[recipe_engine/recipe_modules/platform]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-platform
+[recipe_engine/recipe_modules/properties]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-properties
+[recipe_engine/recipe_modules/python]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-python
+[recipe_engine/recipe_modules/raw_io]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-raw_io
+[recipe_engine/recipe_modules/runtime]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-runtime
+[recipe_engine/recipe_modules/source_manifest]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-source_manifest
+[recipe_engine/recipe_modules/step]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-step
+[recipe_engine/recipe_modules/url]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-url
+[recipe_engine/recipe_modules/version]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/README.recipes.md#recipe_modules-version
+[recipe_engine/wkt/RecipeApi]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/fc83ebe9d2ed46c6b7147997a6987e0f42d962f4/recipe_engine/recipe_api.py#871
diff --git a/recipes/recipe_modules/osx_sdk/examples/full.expected/ancient_version.json b/recipes/recipe_modules/osx_sdk/examples/full.expected/ancient_version.json
index 24eb19b5d..958834a45 100644
--- a/recipes/recipe_modules/osx_sdk/examples/full.expected/ancient_version.json
+++ b/recipes/recipe_modules/osx_sdk/examples/full.expected/ancient_version.json
@@ -7,6 +7,8 @@
       "[CACHE]/osx_sdk",
       "-ensure-file",
       "infra/tools/mac_toolchain/${platform} git_revision:9a1adc55bf4a1173784da3ba2f8cb06421606748",
+      "-max-threads",
+      "0",
       "-json-output",
       "/path/to/tmp/json"
     ],
diff --git a/recipes/recipe_modules/osx_sdk/examples/full.expected/automatic_version.json b/recipes/recipe_modules/osx_sdk/examples/full.expected/automatic_version.json
index 5b2f4df46..fc809e9c3 100644
--- a/recipes/recipe_modules/osx_sdk/examples/full.expected/automatic_version.json
+++ b/recipes/recipe_modules/osx_sdk/examples/full.expected/automatic_version.json
@@ -7,6 +7,8 @@
       "[CACHE]/osx_sdk",
       "-ensure-file",
       "infra/tools/mac_toolchain/${platform} git_revision:9a1adc55bf4a1173784da3ba2f8cb06421606748",
+      "-max-threads",
+      "0",
       "-json-output",
       "/path/to/tmp/json"
     ],
diff --git a/recipes/recipe_modules/osx_sdk/examples/full.expected/explicit_version.json b/recipes/recipe_modules/osx_sdk/examples/full.expected/explicit_version.json
index 34650dc74..57c06b8e5 100644
--- a/recipes/recipe_modules/osx_sdk/examples/full.expected/explicit_version.json
+++ b/recipes/recipe_modules/osx_sdk/examples/full.expected/explicit_version.json
@@ -7,6 +7,8 @@
       "[CACHE]/osx_sdk",
       "-ensure-file",
       "infra/tools/mac_toolchain/${platform} git_revision:9a1adc55bf4a1173784da3ba2f8cb06421606748",
+      "-max-threads",
+      "0",
       "-json-output",
       "/path/to/tmp/json"
     ],
diff --git a/recipes/recipe_modules/osx_sdk/examples/full.expected/mac.json b/recipes/recipe_modules/osx_sdk/examples/full.expected/mac.json
index 3257d8b22..b8834c09d 100644
--- a/recipes/recipe_modules/osx_sdk/examples/full.expected/mac.json
+++ b/recipes/recipe_modules/osx_sdk/examples/full.expected/mac.json
@@ -7,6 +7,8 @@
       "[CACHE]/osx_sdk",
       "-ensure-file",
       "infra/tools/mac_toolchain/${platform} git_revision:9a1adc55bf4a1173784da3ba2f8cb06421606748",
+      "-max-threads",
+      "0",
       "-json-output",
       "/path/to/tmp/json"
     ],
diff --git a/recipes/recipe_modules/windows_sdk/examples/full.expected/win.json b/recipes/recipe_modules/windows_sdk/examples/full.expected/win.json
index aa5206efd..a9f859347 100644
--- a/recipes/recipe_modules/windows_sdk/examples/full.expected/win.json
+++ b/recipes/recipe_modules/windows_sdk/examples/full.expected/win.json
@@ -7,6 +7,8 @@
       "[CACHE]\\windows_sdk",
       "-ensure-file",
       "chrome_internal/third_party/sdk/windows uploaded:2018-06-13",
+      "-max-threads",
+      "0",
       "-json-output",
       "/path/to/tmp/json"
     ],