diff --git a/docs/security.md b/docs/security.md
index 42a09a9148d402b4109a9a4e244e13843cfd6ece..a4796767832b9946a4439f47c332b0e868e24db0 100644
--- a/docs/security.md
+++ b/docs/security.md
@@ -28,11 +28,7 @@ If your applications are using event logging, the directory where the event logs
 ## Encryption
 
 Spark supports SSL for HTTP protocols. SASL encryption is supported for the block transfer service
-and the RPC endpoints.
-
-Encryption is not yet supported for data stored by Spark in temporary local storage, such as shuffle
-files, cached data, and other application files. If encrypting this data is desired, a workaround is
-to configure your cluster manager to store application data on encrypted disks.
+and the RPC endpoints. Shuffle files can also be encrypted if desired.
 
 ### SSL Configuration