diff --git a/README.md b/README.md
index 62c4093..34d43f3 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ See https://github.com/facebook/zstd
 Fork from https://github.com/jarredholman/ruby-zstd.
 
 ## Zstd version
-v1.5.1 (https://github.com/facebook/zstd/tree/v1.5.1)
+v1.5.2 (https://github.com/facebook/zstd/tree/v1.5.2)
 
 ## Installation