diff --git a/CHANGELOG.md b/CHANGELOG.md
index 82ce08594b310..0e23f6a9efab5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -93,6 +93,9 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed parsing of multiple training dataloaders ([#7433](https://github.com/PyTorchLightning/pytorch-lightning/pull/7433))
 
 
+- Fixed `ProgressBar` pickling after calling `trainer.predict` ([#7608](https://github.com/PyTorchLightning/pytorch-lightning/pull/7608))
+
+
 - Fixed recursive passing of `wrong_type` keyword argument in `pytorch_lightning.utilities.apply_to_collection` ([#7433](https://github.com/PyTorchLightning/pytorch-lightning/pull/7433))
 
 
diff --git a/pytorch_lightning/callbacks/progress.py b/pytorch_lightning/callbacks/progress.py
index 45e9e55e69bf0..e6132e6f96c8c 100644
--- a/pytorch_lightning/callbacks/progress.py
+++ b/pytorch_lightning/callbacks/progress.py
@@ -283,6 +283,7 @@ def __init__(self, refresh_rate: int = 1, process_position: int = 0):
         self.main_progress_bar = None
         self.val_progress_bar = None
         self.test_progress_bar = None
+        self.predict_progress_bar = None
 
     def __getstate__(self):
         # can't pickle the tqdm objects
@@ -290,6 +291,7 @@ def __getstate__(self):
         state['main_progress_bar'] = None
         state['val_progress_bar'] = None
         state['test_progress_bar'] = None
+        state['predict_progress_bar'] = None
         return state
 
     @property
diff --git a/tests/callbacks/test_progress_bar.py b/tests/callbacks/test_progress_bar.py
index 2a33fbf0c1455..6ab7b9f7415ba 100644
--- a/tests/callbacks/test_progress_bar.py
+++ b/tests/callbacks/test_progress_bar.py
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import os
+import pickle
 import sys
 from typing import Optional, Union
 from unittest import mock
@@ -482,3 +483,17 @@ def test_progress_bar_print_disabled(tqdm_write, mock_print, tmpdir):
         call("test_step"),
     ])
     tqdm_write.assert_not_called()
+
+
+def test_progress_bar_can_be_pickled():
+    bar = ProgressBar()
+    trainer = Trainer(fast_dev_run=True, callbacks=[bar], max_steps=1)
+    model = BoringModel()
+
+    pickle.dumps(bar)
+    trainer.fit(model)
+    pickle.dumps(bar)
+    trainer.test(model)
+    pickle.dumps(bar)
+    trainer.predict(model)
+    pickle.dumps(bar)