diff --git a/README.md b/README.md
index e435928a2..66c74a69d 100644
--- a/README.md
+++ b/README.md
@@ -53,6 +53,7 @@ contributing back.
 
 - **zlib** or **lz4** or **snappy** database compressions.
 - **GraphicsMagick** for media thumbnails.
+- **jemalloc** for dynamic memory.
 
 ##### Build tools