diff --git a/nltk-3.4.4.zip b/nltk-3.4.4.zip
deleted file mode 100644
index bb6fcd8..0000000
--- a/nltk-3.4.4.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:764c20a5f8532a681c261af3c7d1a54768a35df6f3603df75e615cbd34e47cb5
-size 1450871
diff --git a/nltk-3.4.5.zip b/nltk-3.4.5.zip
new file mode 100644
index 0000000..5ae8c52
--- /dev/null
+++ b/nltk-3.4.5.zip
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bed45551259aa2101381bbdd5df37d44ca2669c5c3dad72439fa459b29137d94
+size 1450555
diff --git a/python-nltk.changes b/python-nltk.changes
index 9d8f18e..a96f93e 100644
--- a/python-nltk.changes
+++ b/python-nltk.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Wed Sep 11 11:05:01 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
+
+- Update to 3.4.5:
+  * Fixed security bug in downloader: Zip slip vulnerability - for the
+    unlikely situation where a user configures their downloader to use
+    a compromised server CVE-2019-14751
+
 -------------------------------------------------------------------
 Tue Jul 23 13:52:24 UTC 2019 - Tomáš Chvátal <tchvatal@suse.com>
 
diff --git a/python-nltk.spec b/python-nltk.spec
index 002d934..5f11836 100644
--- a/python-nltk.spec
+++ b/python-nltk.spec
@@ -20,7 +20,7 @@
 %define interps python python3
 %define pyname nltk
 Name:           python-nltk
-Version:        3.4.4
+Version:        3.4.5
 Release:        0
 Summary:        Natural Language Toolkit
 License:        Apache-2.0