diff --git a/CHANGES.txt b/CHANGES.txt
index a64bf09017..0efa8b91d4 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -151,6 +151,7 @@
 
 
 3.11.2
+ * Update jackson JSON jars (CASSANDRA-13949)
  * Avoid locks when checking LCS fanout and if we should defrag (CASSANDRA-13930)
 Merged from 3.0:
  * Don't let user drop or generally break tables in system_distributed (CASSANDRA-13813)
diff --git a/lib/jackson-core-asl-1.9.13.jar b/lib/jackson-core-asl-1.9.13.jar
new file mode 100644
index 0000000000..bb4fe1da11
Binary files /dev/null and b/lib/jackson-core-asl-1.9.13.jar differ
diff --git a/lib/jackson-core-asl-1.9.2.jar b/lib/jackson-core-asl-1.9.2.jar
deleted file mode 100644
index c50656724b..0000000000
Binary files a/lib/jackson-core-asl-1.9.2.jar and /dev/null differ
diff --git a/lib/jackson-mapper-asl-1.9.2.jar b/lib/jackson-mapper-asl-1.9.13.jar
similarity index 52%
rename from lib/jackson-mapper-asl-1.9.2.jar
rename to lib/jackson-mapper-asl-1.9.13.jar
index 6407dc0591..0f2073fc7e 100644
Binary files a/lib/jackson-mapper-asl-1.9.2.jar and b/lib/jackson-mapper-asl-1.9.13.jar differ
diff --git a/lib/licenses/jackson-core-asl-1.9.2.txt b/lib/licenses/jackson-core-asl-1.9.13.txt
similarity index 100%
rename from lib/licenses/jackson-core-asl-1.9.2.txt
rename to lib/licenses/jackson-core-asl-1.9.13.txt
diff --git a/lib/licenses/jackson-mapper-asl-1.9.2.txt b/lib/licenses/jackson-mapper-asl-1.9.13.txt
similarity index 100%
rename from lib/licenses/jackson-mapper-asl-1.9.2.txt
rename to lib/licenses/jackson-mapper-asl-1.9.13.txt