diff --git a/go.mod b/go.mod
index da574c7a5..c29f8b2e3 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/golang/snappy v0.0.1
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
 	github.com/valyala/fastjson v1.4.1
-	github.com/valyala/gozstd v1.5.0
+	github.com/valyala/gozstd v1.5.1
 	github.com/valyala/histogram v1.0.1
 	github.com/valyala/quicktemplate v1.1.1
 	golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f
diff --git a/go.sum b/go.sum
index 37e5926e9..45cf5dd78 100644
--- a/go.sum
+++ b/go.sum
@@ -36,8 +36,8 @@ github.com/valyala/fastjson v1.4.1 h1:hrltpHpIpkaxll8QltMU8c3QZ5+qIiCL8yKqPFJI/y
 github.com/valyala/fastjson v1.4.1/go.mod h1:nV6MsjxL2IMJQUoHDIrjEI7oLyeqK6aBD7EFWPsvP8o=
 github.com/valyala/fastrand v1.0.0 h1:LUKT9aKer2dVQNUi3waewTbKV+7H17kvWFNKs2ObdkI=
 github.com/valyala/fastrand v1.0.0/go.mod h1:HWqCzkrkg6QXT8V2EXWvXCoow7vLwOFN002oeRzjapQ=
-github.com/valyala/gozstd v1.5.0 h1:OI7Z2e+GkvmmdRFiJeyuByhT/WMTLuRLa43Z2Tjzenw=
-github.com/valyala/gozstd v1.5.0/go.mod h1:oYOS+oJovjw9ewtrwEYb9+ybolEXd6pHyLMuAWN5zts=
+github.com/valyala/gozstd v1.5.1 h1:ZLepItgu2g+B2CfVQy6KCV/as8lnJ7ef1KU6DPxQSS0=
+github.com/valyala/gozstd v1.5.1/go.mod h1:oYOS+oJovjw9ewtrwEYb9+ybolEXd6pHyLMuAWN5zts=
 github.com/valyala/histogram v1.0.1 h1:FzA7n2Tz/wKRMejgu3PV1vw3htAklTjjuoI6z3d4KDg=
 github.com/valyala/histogram v1.0.1/go.mod h1:lQy0xA4wUz2+IUnf97SivorsJIp8FxsnRd6x25q7Mto=
 github.com/valyala/quicktemplate v1.1.1 h1:C58y/wN0FMTi2PR0n3onltemfFabany53j7M6SDDB8k=
diff --git a/vendor/github.com/valyala/gozstd/README.md b/vendor/github.com/valyala/gozstd/README.md
index 4aecf93de..ab474844b 100644
--- a/vendor/github.com/valyala/gozstd/README.md
+++ b/vendor/github.com/valyala/gozstd/README.md
@@ -56,14 +56,18 @@ There is also [StreamDecompress](https://godoc.org/github.com/valyala/gozstd#Str
 and [Reader](https://godoc.org/github.com/valyala/gozstd#Reader) for stream decompression.
 
 
+### Who uses gozstd?
+
+* [VictoriaMetrics](https://github.com/VictoriaMetrics/VictoriaMetrics)
+
+
 ## FAQ
 
   * Q: _Which go version is supported?_  
-    A: `go1.10` and newer. Pull requests for older go versions support
-       are accepted.
+    A: `go1.10` and newer. Pull requests for older go versions are accepted.
 
   * Q: _Which platforms/architectures are supported?_  
-    A: `linux/amd64`, `linux/arm`, `linux/arm64`, `darwin/amd64`, `windows/amd64`. Pull requests for other platforms/architectures support
+    A: `linux/amd64`, `linux/arm`, `linux/arm64`, `darwin/amd64`, `windows/amd64`. Pull requests for other platforms/architectures
        are accepted.
        
   * Q: _I don't trust `libzstd*.a` binary files from the repo or these files dont't work on my OS/ARCH. How to rebuild them?_
diff --git a/vendor/github.com/valyala/gozstd/doc.go b/vendor/github.com/valyala/gozstd/doc.go
new file mode 100644
index 000000000..322f4f131
--- /dev/null
+++ b/vendor/github.com/valyala/gozstd/doc.go
@@ -0,0 +1,4 @@
+// Package gozstd is Go wrapper for zstd.
+//
+// Gozstd is used in https://github.com/VictoriaMetrics/VictoriaMetrics .
+package gozstd
diff --git a/vendor/github.com/valyala/gozstd/libzstd_windows_amd64.a b/vendor/github.com/valyala/gozstd/libzstd_windows_amd64.a
index cf9b0da39..5d1adceaf 100644
Binary files a/vendor/github.com/valyala/gozstd/libzstd_windows_amd64.a and b/vendor/github.com/valyala/gozstd/libzstd_windows_amd64.a differ
diff --git a/vendor/modules.txt b/vendor/modules.txt
index e65a36444..7dd6a4b4a 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -12,7 +12,7 @@ github.com/valyala/bytebufferpool
 github.com/valyala/fastjson/fastfloat
 # github.com/valyala/fastrand v1.0.0
 github.com/valyala/fastrand
-# github.com/valyala/gozstd v1.5.0
+# github.com/valyala/gozstd v1.5.1
 github.com/valyala/gozstd
 # github.com/valyala/histogram v1.0.1
 github.com/valyala/histogram