diff --git a/requirements.txt b/requirements.txt
index 884d79829..55e3acd3e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ pathlib
 numpy>=1.7
 cymem>=1.30,<1.32
 preshed>=1.0.0,<2.0.0
-thinc>=6.10.1,<6.11.0
+thinc==6.10.2.dev1
 murmurhash>=0.28,<0.29
 plac<1.0.0,>=0.9.6
 six
diff --git a/spacy/about.py b/spacy/about.py
index 8c63531a4..1fe5ca0fb 100644
--- a/spacy/about.py
+++ b/spacy/about.py
@@ -3,13 +3,13 @@
 # https://github.com/pypa/warehouse/blob/master/warehouse/__about__.py
 
 __title__ = 'spacy'
-__version__ = '2.0.3'
+__version__ = '2.0.4.dev0'
 __summary__ = 'Industrial-strength Natural Language Processing (NLP) with Python and Cython'
 __uri__ = 'https://spacy.io'
 __author__ = 'Explosion AI'
 __email__ = 'contact@explosion.ai'
 __license__ = 'MIT'
-__release__ = True
+__release__ = False
 
 __docs_models__ = 'https://spacy.io/usage/models'
 __download_url__ = 'https://github.com/explosion/spacy-models/releases/download'
diff --git a/spacy/cli/package.py b/spacy/cli/package.py
index 8c590b49b..3dc7fa3e0 100644
--- a/spacy/cli/package.py
+++ b/spacy/cli/package.py
@@ -146,7 +146,7 @@ def list_files(data_dir):
 
 def list_requirements(meta):
     parent_package = meta.get('parent_package', 'spacy')
-    requirements = [parent_package + meta['spacy_version']]
+    requirements = [parent_package + ">=" + meta['spacy_version']]
     if 'setup_requires' in meta:
         requirements += meta['setup_requires']
     return requirements
diff --git a/spacy/vectors.pyx b/spacy/vectors.pyx
index 6c5018d13..1e4e97c38 100644
--- a/spacy/vectors.pyx
+++ b/spacy/vectors.pyx
@@ -85,7 +85,7 @@ cdef class Vectors:
         return len(self.key2row)
 
     def __reduce__(self):
-        keys_and_rows = self.key2row.items()
+        keys_and_rows = tuple(self.key2row.items())
         return (unpickle_vectors, (keys_and_rows, self.data))
 
     def __getitem__(self, key):
diff --git a/spacy/vocab.pyx b/spacy/vocab.pyx
index 37220c17b..34ad4eb67 100644
--- a/spacy/vocab.pyx
+++ b/spacy/vocab.pyx
@@ -477,26 +477,27 @@ cdef class Vocab:
 
 def pickle_vocab(vocab):
     sstore = vocab.strings
+    vectors = vocab.vectors
     morph = vocab.morphology
     length = vocab.length
     data_dir = vocab.data_dir
     lex_attr_getters = dill.dumps(vocab.lex_attr_getters)
     lexemes_data = vocab.lexemes_to_bytes()
     return (unpickle_vocab,
-            (sstore, morph, data_dir, lex_attr_getters, lexemes_data, length))
+            (sstore, vectors, morph, data_dir, lex_attr_getters, lexemes_data, length))
 
 
-def unpickle_vocab(sstore, morphology, data_dir,
+def unpickle_vocab(sstore, vectors, morphology, data_dir,
                    lex_attr_getters, bytes lexemes_data, int length):
     cdef Vocab vocab = Vocab()
     vocab.length = length
+    vocab.vectors = vectors
     vocab.strings = sstore
     vocab.morphology = morphology
     vocab.data_dir = data_dir
     vocab.lex_attr_getters = dill.loads(lex_attr_getters)
     vocab.lexemes_from_bytes(lexemes_data)
     vocab.length = length
-    link_vectors_to_models(vocab)
     return vocab
 
 
diff --git a/website/api/_annotation/_dep-labels.jade b/website/api/_annotation/_dep-labels.jade
index 1cb05027c..e704c808e 100644
--- a/website/api/_annotation/_dep-labels.jade
+++ b/website/api/_annotation/_dep-labels.jade
@@ -52,7 +52,7 @@ p
 +accordion("English", "dependency-parsing-english")
     p
         |  The English dependency labels use the
-        |  #[+a("http://www.mathcs.emory.edu/~choi/doc/clear-dependency-2012.pdf") CLEAR Style]
+        |  #[+a("http://www.mathcs.emory.edu/~choi/doc/cu-2012-choi.pdf") CLEAR Style]
         |  by #[+a("http://www.clearnlp.com") ClearNLP].
 
     +table(["Label", "Description"])