diff --git a/recipe_modules/adhoc_validation/api.py b/recipe_modules/adhoc_validation/api.py
index e15c6ba..046c6cc 100644
--- a/recipe_modules/adhoc_validation/api.py
+++ b/recipe_modules/adhoc_validation/api.py
@@ -56,10 +56,18 @@
               env, env_prefixes, checkout_path.join('dev', 'ci', 'mac')
           )
           with self.m.context(env=env, env_prefixes=env_prefixes):
-            self.m.test_utils.run_test(validation, [resource_name])
+            self.m.test_utils.run_test(
+              validation,
+              [resource_name],
+              timeout_secs=4500 # 75 minutes
+            )
       else:
         with self.m.context(env=env, env_prefixes=env_prefixes):
-          self.m.test_utils.run_test(validation, [resource_name])
+          self.m.test_utils.run_test(
+            validation,
+            [resource_name],
+            timeout_secs=4500 # 75 minutes
+          )
           if ((validation == 'docs' or validation == 'docs_deploy') and
               self.m.properties.get('firebase_project')):
             docs_path = checkout_path.join('dev', 'docs')
diff --git a/recipe_modules/adhoc_validation/examples/full.expected/linux.json b/recipe_modules/adhoc_validation/examples/full.expected/linux.json
index b579076..3f6e925 100644
--- a/recipe_modules/adhoc_validation/examples/full.expected/linux.json
+++ b/recipe_modules/adhoc_validation/examples/full.expected/linux.json
@@ -64,7 +64,7 @@
       ]
     },
     "name": "Docs.docs",
-    "timeout": 3600,
+    "timeout": 4500,
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@test_stdout@@@@",
diff --git a/recipe_modules/adhoc_validation/examples/full.expected/mac.json b/recipe_modules/adhoc_validation/examples/full.expected/mac.json
index 320afb3..c32eb18 100644
--- a/recipe_modules/adhoc_validation/examples/full.expected/mac.json
+++ b/recipe_modules/adhoc_validation/examples/full.expected/mac.json
@@ -236,7 +236,7 @@
       ]
     },
     "name": "Docs.docs",
-    "timeout": 3600,
+    "timeout": 4500,
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@test_stdout@@@@",
diff --git a/recipe_modules/adhoc_validation/examples/full.expected/mac_nodeps.json b/recipe_modules/adhoc_validation/examples/full.expected/mac_nodeps.json
index b70638a..ec151f4 100644
--- a/recipe_modules/adhoc_validation/examples/full.expected/mac_nodeps.json
+++ b/recipe_modules/adhoc_validation/examples/full.expected/mac_nodeps.json
@@ -64,7 +64,7 @@
       ]
     },
     "name": "Docs.docs",
-    "timeout": 3600,
+    "timeout": 4500,
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@test_stdout@@@@",
diff --git a/recipe_modules/adhoc_validation/examples/full.expected/win.json b/recipe_modules/adhoc_validation/examples/full.expected/win.json
index ce40448..68a4888 100644
--- a/recipe_modules/adhoc_validation/examples/full.expected/win.json
+++ b/recipe_modules/adhoc_validation/examples/full.expected/win.json
@@ -35,7 +35,7 @@
       ]
     },
     "name": "Docs.docs",
-    "timeout": 3600,
+    "timeout": 4500,
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@test_stdout@@@@",
diff --git a/recipes/flutter/flutter.expected/validators.json b/recipes/flutter/flutter.expected/validators.json
index 9f3f0de..1e78451 100644
--- a/recipes/flutter/flutter.expected/validators.json
+++ b/recipes/flutter/flutter.expected/validators.json
@@ -259,7 +259,7 @@
       ]
     },
     "name": "dart analyze.analyze",
-    "timeout": 3600,
+    "timeout": 4500,
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@",
       "@@@STEP_LOG_LINE@test_stdout@@@@",