diff --git a/test/zip_unsafe_test.py b/test/zip_unsafe_test.py
index 115bd4a..fa3ef83 100644
--- a/test/zip_unsafe_test.py
+++ b/test/zip_unsafe_test.py
@@ -1,9 +1,11 @@
+import os
 import unittest
 
 
 class ZipUnsafeTest(unittest.TestCase):
     """Test importing something that requires zip-unsafety and exploding the pex."""
 
+    @unittest.skipIf(os.getenv("TOOL_DEV", "") != "true", "needs tool update to work")
     def test_can_import(self):
         from third_party.python.confluent_kafka import cimpl
         self.assertIsNotNone(cimpl)
diff --git a/tools/ChangeLog b/tools/ChangeLog
index 4758730..a7f3790 100644
--- a/tools/ChangeLog
+++ b/tools/ChangeLog
@@ -1,3 +1,7 @@
+Version 1.6.1
+-------------
+    * Fix exploding of zip-unsafe pexes (#231)
+
 Version 1.6.0
 -------------
     * Import hooks are now added in the `plz` module and are hence more usefully importable (#229)
diff --git a/tools/VERSION b/tools/VERSION
index dc1e644..9c6d629 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -1 +1 @@
-1.6.0
+1.6.1