diff --git a/hypothesis-python-3.66.1.tar.gz b/hypothesis-python-3.66.1.tar.gz
deleted file mode 100644
index 9a6787d..0000000
--- a/hypothesis-python-3.66.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4609b142680f11c556043569fec2de8e990cd8a9f34000a8f3610a9c7d78c8cb
-size 519129
diff --git a/hypothesis-python-3.66.4.tar.gz b/hypothesis-python-3.66.4.tar.gz
new file mode 100644
index 0000000..950d6b9
--- /dev/null
+++ b/hypothesis-python-3.66.4.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ca2665b5d9a02572ebbd9be9883bd5982aefd89f19b232590a75c99d12881d47
+size 523732
diff --git a/python-hypothesis.changes b/python-hypothesis.changes
index 79f264a..3fc7f9b 100644
--- a/python-hypothesis.changes
+++ b/python-hypothesis.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Jul 20 15:28:09 UTC 2018 - arun@gmx.de
+
+- update to version 3.66.4:
+  * This release improves the shrinker’s ability to reorder examples.
+
 -------------------------------------------------------------------
 Thu Jul 12 15:59:06 UTC 2018 - arun@gmx.de
 
diff --git a/python-hypothesis.spec b/python-hypothesis.spec
index 3a34968..a417093 100644
--- a/python-hypothesis.spec
+++ b/python-hypothesis.spec
@@ -28,7 +28,7 @@
 %endif
 %bcond_without python2
 Name:           python-hypothesis
-Version:        3.66.1
+Version:        3.66.4
 Release:        0
 Summary:        A library for property based testing
 License:        MPL-2.0