diff --git a/INSTALL.md b/INSTALL.md
index 96ece3d2d..0afba94d3 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -47,6 +47,8 @@ to build a portable binary, add `PORTABLE=1` before your make commands, like thi
 
 * If you wish to build the RocksJava static target, then cmake is required for building Snappy.
 
+* If you wish to run microbench (e.g, `make microbench`, `make ribbon_bench` or `cmake -DWITH_BENCHMARK=1`), Google benchmark < 1.6.0 is needed.
+
 ## Supported platforms
 
 * **Linux - Ubuntu**