diff --git a/recipe_modules/bot_update/api.py b/recipe_modules/bot_update/api.py
index c077ae9041..4b870a4b7e 100644
--- a/recipe_modules/bot_update/api.py
+++ b/recipe_modules/bot_update/api.py
@@ -57,6 +57,10 @@ class BotUpdateApi(recipe_api.RecipeApi):
     assert isinstance(cmd, (list, tuple))
     bot_update_path = self.resource('bot_update.py')
     kwargs.setdefault('infra_step', True)
+    kwargs.setdefault('env', {})
+    kwargs['env'].setdefault('PATH', '%(PATH)s')
+    kwargs['env']['PATH'] = self.m.path.pathsep.join([
+        kwargs['env']['PATH'], str(self._module.PACKAGE_DIRECTORY)])
     return self.m.python(name, bot_update_path, cmd, **kwargs)
 
   @property
diff --git a/recipe_modules/bot_update/example.expected/basic.json b/recipe_modules/bot_update/example.expected/basic.json
index a21bd91ddd..0cff6c0fe8 100644
--- a/recipe_modules/bot_update/example.expected/basic.json
+++ b/recipe_modules/bot_update/example.expected/basic.json
@@ -24,6 +24,9 @@
       "src@abc"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update (without patch)",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
diff --git a/recipe_modules/bot_update/example.expected/basic_output_manifest.json b/recipe_modules/bot_update/example.expected/basic_output_manifest.json
index 8521bf0e65..170b4ab6d0 100644
--- a/recipe_modules/bot_update/example.expected/basic_output_manifest.json
+++ b/recipe_modules/bot_update/example.expected/basic_output_manifest.json
@@ -25,6 +25,9 @@
       "--output_manifest"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
diff --git a/recipe_modules/bot_update/example.expected/basic_with_branch_heads.json b/recipe_modules/bot_update/example.expected/basic_with_branch_heads.json
index 0275a7c6a2..214604319b 100644
--- a/recipe_modules/bot_update/example.expected/basic_with_branch_heads.json
+++ b/recipe_modules/bot_update/example.expected/basic_with_branch_heads.json
@@ -25,6 +25,9 @@
       "--with_branch_heads"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update - with branch heads",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
diff --git a/recipe_modules/bot_update/example.expected/clobber.json b/recipe_modules/bot_update/example.expected/clobber.json
index 3650c6e668..ee6f935c90 100644
--- a/recipe_modules/bot_update/example.expected/clobber.json
+++ b/recipe_modules/bot_update/example.expected/clobber.json
@@ -25,6 +25,9 @@
       "--clobber"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
diff --git a/recipe_modules/bot_update/example.expected/forced.json b/recipe_modules/bot_update/example.expected/forced.json
index ca3ef96b09..07b1af6824 100644
--- a/recipe_modules/bot_update/example.expected/forced.json
+++ b/recipe_modules/bot_update/example.expected/forced.json
@@ -25,6 +25,9 @@
       "--force"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
diff --git a/recipe_modules/bot_update/example.expected/no_shallow.json b/recipe_modules/bot_update/example.expected/no_shallow.json
index 3cb8fdf3f3..2008a4fa30 100644
--- a/recipe_modules/bot_update/example.expected/no_shallow.json
+++ b/recipe_modules/bot_update/example.expected/no_shallow.json
@@ -25,6 +25,9 @@
       "--no_shallow"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
diff --git a/recipe_modules/bot_update/example.expected/off.json b/recipe_modules/bot_update/example.expected/off.json
index bc645fa1d0..48109b0ba0 100644
--- a/recipe_modules/bot_update/example.expected/off.json
+++ b/recipe_modules/bot_update/example.expected/off.json
@@ -24,6 +24,9 @@
       "src@HEAD"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
diff --git a/recipe_modules/bot_update/example.expected/reset_root_solution_revision.json b/recipe_modules/bot_update/example.expected/reset_root_solution_revision.json
index 5d2d3d95da..e50485c41e 100644
--- a/recipe_modules/bot_update/example.expected/reset_root_solution_revision.json
+++ b/recipe_modules/bot_update/example.expected/reset_root_solution_revision.json
@@ -24,6 +24,9 @@
       "src@revision"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
diff --git a/recipe_modules/bot_update/example.expected/svn_mode.json b/recipe_modules/bot_update/example.expected/svn_mode.json
index 2f61227ea5..b12f9e40c7 100644
--- a/recipe_modules/bot_update/example.expected/svn_mode.json
+++ b/recipe_modules/bot_update/example.expected/svn_mode.json
@@ -25,6 +25,9 @@
       "--force"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
diff --git a/recipe_modules/bot_update/example.expected/trychange.json b/recipe_modules/bot_update/example.expected/trychange.json
index 26cdf64454..a7aa473288 100644
--- a/recipe_modules/bot_update/example.expected/trychange.json
+++ b/recipe_modules/bot_update/example.expected/trychange.json
@@ -26,6 +26,9 @@
       "+refs/change/1/2/333"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
diff --git a/recipe_modules/bot_update/example.expected/trychange_oauth2.json b/recipe_modules/bot_update/example.expected/trychange_oauth2.json
index a9788dc60b..c81ede5ffa 100644
--- a/recipe_modules/bot_update/example.expected/trychange_oauth2.json
+++ b/recipe_modules/bot_update/example.expected/trychange_oauth2.json
@@ -28,6 +28,9 @@
       "src@HEAD"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
diff --git a/recipe_modules/bot_update/example.expected/tryjob.json b/recipe_modules/bot_update/example.expected/tryjob.json
index 9725c2cd16..f34e0fe7e3 100644
--- a/recipe_modules/bot_update/example.expected/tryjob.json
+++ b/recipe_modules/bot_update/example.expected/tryjob.json
@@ -26,6 +26,9 @@
       "src@HEAD"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
diff --git a/recipe_modules/bot_update/example.expected/tryjob_fail.json b/recipe_modules/bot_update/example.expected/tryjob_fail.json
index 252ef7c596..66b377c294 100644
--- a/recipe_modules/bot_update/example.expected/tryjob_fail.json
+++ b/recipe_modules/bot_update/example.expected/tryjob_fail.json
@@ -26,6 +26,9 @@
       "src@HEAD"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "step returned non-zero exit code: 1",
diff --git a/recipe_modules/bot_update/example.expected/tryjob_fail_patch.json b/recipe_modules/bot_update/example.expected/tryjob_fail_patch.json
index 0b968135ac..9e2cd6f8de 100644
--- a/recipe_modules/bot_update/example.expected/tryjob_fail_patch.json
+++ b/recipe_modules/bot_update/example.expected/tryjob_fail_patch.json
@@ -26,6 +26,9 @@
       "src@HEAD"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
diff --git a/recipe_modules/bot_update/example.expected/tryjob_fail_patch_download.json b/recipe_modules/bot_update/example.expected/tryjob_fail_patch_download.json
index 88da29c2fa..e7a93bdf1a 100644
--- a/recipe_modules/bot_update/example.expected/tryjob_fail_patch_download.json
+++ b/recipe_modules/bot_update/example.expected/tryjob_fail_patch_download.json
@@ -26,6 +26,9 @@
       "src@HEAD"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",
diff --git a/recipe_modules/bot_update/example.expected/tryjob_v8.json b/recipe_modules/bot_update/example.expected/tryjob_v8.json
index 8017c26ddb..f426d8b953 100644
--- a/recipe_modules/bot_update/example.expected/tryjob_v8.json
+++ b/recipe_modules/bot_update/example.expected/tryjob_v8.json
@@ -28,6 +28,9 @@
       "src/v8@abc"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "PATH": "%(PATH)s:RECIPE_PACKAGE[depot_tools]"
+    },
     "name": "bot_update",
     "~followup_annotations": [
       "@@@STEP_TEXT@Some step text@@@",