diff --git a/spacy/vocab.pyx b/spacy/vocab.pyx
index 00467ecf1..42fd2f46e 100644
--- a/spacy/vocab.pyx
+++ b/spacy/vocab.pyx
@@ -3,7 +3,7 @@
 from __future__ import unicode_literals
 
 import numpy
-import dill
+import srsly
 
 from collections import OrderedDict
 from thinc.neural.util import get_array_module
@@ -513,7 +513,7 @@ def pickle_vocab(vocab):
     morph = vocab.morphology
     length = vocab.length
     data_dir = vocab.data_dir
-    lex_attr_getters = dill.dumps(vocab.lex_attr_getters)
+    lex_attr_getters = srsly.pickle_dumps(vocab.lex_attr_getters)
     lexemes_data = vocab.lexemes_to_bytes()
     return (unpickle_vocab,
             (sstore, vectors, morph, data_dir, lex_attr_getters, lexemes_data, length))
@@ -527,7 +527,7 @@ def unpickle_vocab(sstore, vectors, morphology, data_dir,
     vocab.strings = sstore
     vocab.morphology = morphology
     vocab.data_dir = data_dir
-    vocab.lex_attr_getters = dill.loads(lex_attr_getters)
+    vocab.lex_attr_getters = srsly.pickle_loads(lex_attr_getters)
     vocab.lexemes_from_bytes(lexemes_data)
     vocab.length = length
     return vocab