diff --git a/spec/fixtures/task-handler-with-deprecations.coffee b/spec/fixtures/task-handler-with-deprecations.coffee
new file mode 100644
index 000000000..6ba8e86e8
--- /dev/null
+++ b/spec/fixtures/task-handler-with-deprecations.coffee
@@ -0,0 +1,3 @@
+{Git} = require 'atom'
+
+module.exports = ->
diff --git a/spec/task-spec.coffee b/spec/task-spec.coffee
index 403e4650d..93a5f3ab1 100644
--- a/spec/task-spec.coffee
+++ b/spec/task-spec.coffee
@@ -1,4 +1,5 @@
 Task = require '../src/task'
+Grim = require 'grim'
 
 describe "Task", ->
   describe "@once(taskPath, args..., callback)", ->
@@ -43,3 +44,14 @@ describe "Task", ->
 
     runs ->
       expect(eventSpy).not.toHaveBeenCalled()
+
+  it "reports deprecations in tasks", ->
+    jasmine.snapshotDeprecations()
+    task = new Task(require.resolve('./fixtures/task-handler-with-deprecations'))
+
+    waitsFor (done) -> task.start(done)
+
+    runs ->
+      deprecations = Grim.getDeprecations()
+      expect(deprecations.length).toBe 1
+      jasmine.restoreDeprecationsSnapshot()
diff --git a/src/task-bootstrap.coffee b/src/task-bootstrap.coffee
index 4ed618d1a..c8d7f74d2 100644
--- a/src/task-bootstrap.coffee
+++ b/src/task-bootstrap.coffee
@@ -41,6 +41,14 @@ handleEvents = ->
     result = handler.bind({async})(args...)
     emit('task:completed', result) unless isAsync
 
+setupDeprecations = ->
+  Grim = require 'grim'
+  Grim.on 'updated', ->
+    deprecations = Grim.getDeprecations().map (deprecation) -> deprecation.serialize()
+    emit('task:deprecations', deprecations)
+    Grim.clearDeprecations()
+
 setupGlobals()
 handleEvents()
+setupDeprecations()
 handler = require(taskPath)
diff --git a/src/task.coffee b/src/task.coffee
index 6fe055ca6..9572494b8 100644
--- a/src/task.coffee
+++ b/src/task.coffee
@@ -1,6 +1,7 @@
 _ = require 'underscore-plus'
 {fork} = require 'child_process'
 {Emitter} = require 'emissary'
+Grim = require 'grim'
 
 # Extended: Run a node script in a separate process.
 #
@@ -87,6 +88,9 @@ class Task
     @on "task:log", -> console.log(arguments...)
     @on "task:warn", -> console.warn(arguments...)
     @on "task:error", -> console.error(arguments...)
+    @on "task:deprecations", (deprecations) ->
+      Grim.addSerializedDeprecation(deprecation) for deprecation in deprecations
+      return
     @on "task:completed", (args...) => @callback?(args...)
 
     @handleEvents()