diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index bf7aea6d09..cbdd1a3e74 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -15,7 +15,7 @@
   "deps": {
     "recipe_engine": {
       "branch": "master",
-      "revision": "6d2596f2b4183b3abc59b92d0298e781e02d1687",
+      "revision": "cfff93afa16e61285e295d49f6aa2ba64642f330",
       "url": "https://chromium.googlesource.com/external/github.com/luci/recipes-py.git"
     }
   },
diff --git a/recipes/recipe_modules/infra_paths/examples/full.expected/paths_buildbot_win.json b/recipes/recipe_modules/infra_paths/examples/full.expected/paths_buildbot_win.json
index acda9b6b97..239d5c635b 100644
--- a/recipes/recipe_modules/infra_paths/examples/full.expected/paths_buildbot_win.json
+++ b/recipes/recipe_modules/infra_paths/examples/full.expected/paths_buildbot_win.json
@@ -3,7 +3,7 @@
     "cmd": [],
     "name": "show paths",
     "~followup_annotations": [
-      "@@@STEP_LOG_LINE@result@base_paths: {'depot_tools': ('depot_tools',), 'build_internal': ('build_internal',), 'cache': ('build', 'slave', 'cache'), 'goma_cache': ('build', 'slave', 'goma_cache'), 'start_dir': ('/', 'b', 'FakeTestingCWD'), 'cleanup': ('/', 'b', 'build.dead'), 'build': ('build',), 'git_cache': ('build', 'slave', 'cache_dir'), 'root': (), 'tmp_base': ('/',)}@@@",
+      "@@@STEP_LOG_LINE@result@base_paths: {'depot_tools': ('depot_tools',), 'build_internal': ('build_internal',), 'cache': ('build', 'slave', 'cache'), 'goma_cache': ('build', 'slave', 'goma_cache'), 'start_dir': ('C:\\\\', 'b', 'FakeTestingCWD'), 'cleanup': ('C:\\\\', 'b', 'build.dead'), 'build': ('build',), 'git_cache': ('build', 'slave', 'cache_dir'), 'root': (), 'tmp_base': ('C:\\\\',)}@@@",
       "@@@STEP_LOG_LINE@result@default_git_cache_dir: Path('git_cache')@@@",
       "@@@STEP_LOG_END@result@@@"
     ]
diff --git a/recipes/recipe_modules/infra_paths/examples/full.expected/paths_generic_win.json b/recipes/recipe_modules/infra_paths/examples/full.expected/paths_generic_win.json
index a81fc64a00..000c34662e 100644
--- a/recipes/recipe_modules/infra_paths/examples/full.expected/paths_generic_win.json
+++ b/recipes/recipe_modules/infra_paths/examples/full.expected/paths_generic_win.json
@@ -3,7 +3,7 @@
     "cmd": [],
     "name": "show paths",
     "~followup_annotations": [
-      "@@@STEP_LOG_LINE@result@base_paths: {'builder_cache': ('/', 'b', 'c', 'builder'), 'cache': ('/', 'b', 'c'), 'goma_cache': ('/', 'b', 'c', 'goma'), 'start_dir': ('/', 'b', 'FakeTestingCWD'), 'cleanup': ('/', 'b', 'cleanup'), 'git_cache': ('/', 'b', 'c', 'git'), 'tmp_base': ('/',)}@@@",
+      "@@@STEP_LOG_LINE@result@base_paths: {'builder_cache': ('C:\\\\', 'b', 'c', 'builder'), 'cache': ('C:\\\\', 'b', 'c'), 'goma_cache': ('C:\\\\', 'b', 'c', 'goma'), 'start_dir': ('C:\\\\', 'b', 'FakeTestingCWD'), 'cleanup': ('C:\\\\', 'b', 'cleanup'), 'git_cache': ('C:\\\\', 'b', 'c', 'git'), 'tmp_base': ('C:\\\\',)}@@@",
       "@@@STEP_LOG_LINE@result@default_git_cache_dir: Path('git_cache')@@@",
       "@@@STEP_LOG_END@result@@@"
     ]
diff --git a/recipes/recipe_modules/infra_paths/examples/full.expected/paths_kitchen_win.json b/recipes/recipe_modules/infra_paths/examples/full.expected/paths_kitchen_win.json
index 03b35a193d..3d0fa61fba 100644
--- a/recipes/recipe_modules/infra_paths/examples/full.expected/paths_kitchen_win.json
+++ b/recipes/recipe_modules/infra_paths/examples/full.expected/paths_kitchen_win.json
@@ -3,7 +3,7 @@
     "cmd": [],
     "name": "show paths",
     "~followup_annotations": [
-      "@@@STEP_LOG_LINE@result@base_paths: {'builder_cache': ('/', 'b', 'c', 'b'), 'cache': ('/', 'b', 'c'), 'goma_cache': ('/', 'b', 'c', 'goma_cache'), 'start_dir': ('/', 'b', 'FakeTestingCWD'), 'cleanup': ('/', 'b', 'cleanup'), 'git_cache': ('/', 'b', 'c', 'git_cache'), 'root': ('/', 'b', 'FakeTestingCWD'), 'tmp_base': ('/',)}@@@",
+      "@@@STEP_LOG_LINE@result@base_paths: {'builder_cache': ('C:\\\\', 'b', 'c', 'b'), 'cache': ('C:\\\\', 'b', 'c'), 'goma_cache': ('C:\\\\', 'b', 'c', 'goma_cache'), 'start_dir': ('C:\\\\', 'b', 'FakeTestingCWD'), 'cleanup': ('C:\\\\', 'b', 'cleanup'), 'git_cache': ('C:\\\\', 'b', 'c', 'git_cache'), 'root': ('C:\\\\', 'b', 'FakeTestingCWD'), 'tmp_base': ('C:\\\\',)}@@@",
       "@@@STEP_LOG_LINE@result@default_git_cache_dir: Path('git_cache')@@@",
       "@@@STEP_LOG_END@result@@@"
     ]