diff --git a/parso/cache.py b/parso/cache.py
index 1479275..d0465d0 100644
--- a/parso/cache.py
+++ b/parso/cache.py
@@ -4,11 +4,15 @@ import sys
 import hashlib
 import gc
 import shutil
-import pickle
 import platform
 import errno
 import logging
 
+try:
+    import cPickle as pickle
+except:
+    import pickle
+
 from parso._compatibility import FileNotFoundError
 
 LOG = logging.getLogger(__name__)
diff --git a/parso/pgen2/grammar.py b/parso/pgen2/grammar.py
index 82774e5..e5f2114 100644
--- a/parso/pgen2/grammar.py
+++ b/parso/pgen2/grammar.py
@@ -16,7 +16,10 @@ fallback token code OP, but the parser needs the actual token code.
 
 """
 
-import pickle
+try:
+    import cPickle as pickle
+except:
+    import pickle
 
 
 class Grammar(object):