diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 6190f6b82..16e530918 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -16,7 +16,7 @@
   "deps": {
     "recipe_engine": {
       "branch": "refs/heads/main",
-      "revision": "79aeab43006b3c2e93b928e2d0a635441d7e0f8f",
+      "revision": "5aef7cba2dd94543f6953b13773fdec804a1878c",
       "url": "https://chromium.googlesource.com/infra/luci/recipes-py.git"
     }
   },
diff --git a/recipes/README.recipes.md b/recipes/README.recipes.md
index a622aa505..b9c65f2a9 100644
--- a/recipes/README.recipes.md
+++ b/recipes/README.recipes.md
@@ -1104,23 +1104,23 @@ PYTHON_VERSION_COMPATIBILITY: PY2+3
 
 — **def [RunSteps](/recipes/recipe_modules/windows_sdk/examples/full.py#15)(api):**
 
-[recipe_engine/recipe_modules/assertions]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-assertions
-[recipe_engine/recipe_modules/buildbucket]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-buildbucket
-[recipe_engine/recipe_modules/cipd]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-cipd
-[recipe_engine/recipe_modules/commit_position]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-commit_position
-[recipe_engine/recipe_modules/context]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-context
-[recipe_engine/recipe_modules/cq]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-cq
-[recipe_engine/recipe_modules/file]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-file
-[recipe_engine/recipe_modules/json]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-json
-[recipe_engine/recipe_modules/milo]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-milo
-[recipe_engine/recipe_modules/path]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-path
-[recipe_engine/recipe_modules/platform]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-platform
-[recipe_engine/recipe_modules/properties]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-properties
-[recipe_engine/recipe_modules/python]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-python
-[recipe_engine/recipe_modules/raw_io]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-raw_io
-[recipe_engine/recipe_modules/resultdb]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-resultdb
-[recipe_engine/recipe_modules/runtime]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-runtime
-[recipe_engine/recipe_modules/step]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-step
-[recipe_engine/recipe_modules/url]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-url
-[recipe_engine/recipe_modules/version]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/README.recipes.md#recipe_modules-version
-[recipe_engine/wkt/RecipeApi]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/79aeab43006b3c2e93b928e2d0a635441d7e0f8f/recipe_engine/recipe_api.py#881
+[recipe_engine/recipe_modules/assertions]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-assertions
+[recipe_engine/recipe_modules/buildbucket]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-buildbucket
+[recipe_engine/recipe_modules/cipd]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-cipd
+[recipe_engine/recipe_modules/commit_position]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-commit_position
+[recipe_engine/recipe_modules/context]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-context
+[recipe_engine/recipe_modules/cq]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-cq
+[recipe_engine/recipe_modules/file]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-file
+[recipe_engine/recipe_modules/json]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-json
+[recipe_engine/recipe_modules/milo]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-milo
+[recipe_engine/recipe_modules/path]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-path
+[recipe_engine/recipe_modules/platform]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-platform
+[recipe_engine/recipe_modules/properties]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-properties
+[recipe_engine/recipe_modules/python]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-python
+[recipe_engine/recipe_modules/raw_io]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-raw_io
+[recipe_engine/recipe_modules/resultdb]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-resultdb
+[recipe_engine/recipe_modules/runtime]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-runtime
+[recipe_engine/recipe_modules/step]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-step
+[recipe_engine/recipe_modules/url]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-url
+[recipe_engine/recipe_modules/version]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/README.recipes.md#recipe_modules-version
+[recipe_engine/wkt/RecipeApi]: https://chromium.googlesource.com/infra/luci/recipes-py.git/+/5aef7cba2dd94543f6953b13773fdec804a1878c/recipe_engine/recipe_api.py#881
diff --git a/recipes/recipes.py b/recipes/recipes.py
index 2adda50a9..8250010a6 100755
--- a/recipes/recipes.py
+++ b/recipes/recipes.py
@@ -106,7 +106,7 @@ def parse(repo_root, recipes_cfg_path):
                                 recipes_path.replace('/', os.path.sep))
     return EngineDep(**engine), recipes_path
   except KeyError as ex:
-    raise MalformedRecipesCfg(ex.message, recipes_cfg_path)
+    raise MalformedRecipesCfg(str(ex), recipes_cfg_path)
 
 
 IS_WIN = sys.platform.startswith(('win', 'cygwin'))