diff --git a/isort-4.3.10.tar.gz b/isort-4.3.10.tar.gz
deleted file mode 100644
index 6e443f0..0000000
--- a/isort-4.3.10.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:144c4295314c0ed34fb034f838b2b7e242c52dd3eafdd6f5d49078692f582c0c
-size 66339
diff --git a/isort-4.3.15.tar.gz b/isort-4.3.15.tar.gz
new file mode 100644
index 0000000..b7d8279
--- /dev/null
+++ b/isort-4.3.15.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:96151fca2c6e736503981896495d344781b60d18bfda78dc11b290c6125ebdb6
+size 67949
diff --git a/python-isort.changes b/python-isort.changes
index 7e38be8..fc0e942 100644
--- a/python-isort.changes
+++ b/python-isort.changes
@@ -1,3 +1,23 @@
+-------------------------------------------------------------------
+Wed Mar 13 14:19:07 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
+
+- Update to 4.3.15:
+  * Fixed a regression with handling streaming input from pipes (Issue #895)
+  * Fixed handling of \x0c whitespace character (Issue #811)
+  * Improved CLI documentation
+  * Fixed a regression with /directory/.py style patterns
+  * Fixed the inability to accurately determine import section when a mix of conda and virtual environments are used.
+  * Fixed some output being printed even when --quiet mode is enabled.
+  * Fixed issue #890 interoperability with PyCharm by allowing case sensitive non type grouped sorting.
+  * Fixed issue #889 under some circumstances isort will incorrectly add a new line at the beginning of a file.
+  * Fixed issue #885 many files not being skipped according to set skip settings.
+  * Fixed issue #842 streaming encoding improvements.
+  * Fix error caused when a virtual environment not detected
+  * Fixed issue #876: confused by symlinks pointing to virtualenv gives FIRSTPARTY not THIRDPARTY
+  * Fixed issue #873: current version skips every file on travis
+  * Additional caching to reduce performance regression introduced in 4.3.5
+  * Improved handling of pex files and other binary Python files
+
 -------------------------------------------------------------------
 Mon Mar  4 13:25:15 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
 
diff --git a/python-isort.spec b/python-isort.spec
index 3b7fcb0..6f97ff0 100644
--- a/python-isort.spec
+++ b/python-isort.spec
@@ -26,7 +26,7 @@
 %bcond_with test
 %endif
 Name:           python-isort%{psuffix}
-Version:        4.3.10
+Version:        4.3.15
 Release:        0
 Summary:        A Python utility / library to sort Python imports
 License:        MIT