diff --git a/go.mod b/go.mod
index 58108cf1f..064e95c1e 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/klauspost/compress v1.9.4
 	github.com/valyala/fastjson v1.4.1
 	github.com/valyala/fastrand v1.0.0
-	github.com/valyala/gozstd v1.6.3
+	github.com/valyala/gozstd v1.6.4
 	github.com/valyala/histogram v1.0.1
 	github.com/valyala/quicktemplate v1.4.1
 	go.opencensus.io v0.22.2 // indirect
diff --git a/go.sum b/go.sum
index df3b0349a..5443e02ca 100644
--- a/go.sum
+++ b/go.sum
@@ -101,8 +101,8 @@ 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 v1.6.3 h1:kr3oF/F1RvxYr8wgPjrH04gvHuMEL99pPC9e+5pPQdU=
-github.com/valyala/gozstd v1.6.3/go.mod h1:y5Ew47GLlP37EkTB+B4s7r6A5rdaeB7ftbl9zoYiIPQ=
+github.com/valyala/gozstd v1.6.4 h1:nFLddjEf90SFl5cVWyElSHozQDsbvLljPK703/skBS0=
+github.com/valyala/gozstd v1.6.4/go.mod h1:y5Ew47GLlP37EkTB+B4s7r6A5rdaeB7ftbl9zoYiIPQ=
 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 v1.4.1 h1:tEtkSN6mTCJlYVT7As5x4wjtkk2hj2thsb0M+AcAVeM=
diff --git a/vendor/github.com/valyala/gozstd/gozstd.go b/vendor/github.com/valyala/gozstd/gozstd.go
index c0e0f966c..477508d40 100644
--- a/vendor/github.com/valyala/gozstd/gozstd.go
+++ b/vendor/github.com/valyala/gozstd/gozstd.go
@@ -122,9 +122,7 @@ func compress(cctx, cctxDict *cctxWrapper, dst, src []byte, cd *CDict, compressi
 	dstLen := len(dst)
 	if cap(dst) > dstLen {
 		// Fast path - try compressing without dst resize.
-		dst = dst[:cap(dst)]
-
-		result := compressInternal(cctx, cctxDict, dst[dstLen:], src, cd, compressionLevel, false)
+		result := compressInternal(cctx, cctxDict, dst[dstLen:cap(dst)], src, cd, compressionLevel, false)
 		compressedSize := int(result)
 		if compressedSize >= 0 {
 			// All OK.
@@ -143,9 +141,8 @@ func compress(cctx, cctxDict *cctxWrapper, dst, src []byte, cd *CDict, compressi
 		// This should be optimized since go 1.11 - see https://golang.org/doc/go1.11#performance-compiler.
 		dst = append(dst[:cap(dst)], make([]byte, n)...)
 	}
-	dst = dst[:dstLen+compressBound]
 
-	result := compressInternal(cctx, cctxDict, dst[dstLen:], src, cd, compressionLevel, true)
+	result := compressInternal(cctx, cctxDict, dst[dstLen:dstLen+compressBound], src, cd, compressionLevel, true)
 	compressedSize := int(result)
 	return dst[:dstLen+compressedSize]
 }
@@ -247,9 +244,7 @@ func decompress(dctx, dctxDict *dctxWrapper, dst, src []byte, dd *DDict) ([]byte
 	dstLen := len(dst)
 	if cap(dst) > dstLen {
 		// Fast path - try decompressing without dst resize.
-		dst = dst[:cap(dst)]
-
-		result := decompressInternal(dctx, dctxDict, dst[dstLen:], src, dd)
+		result := decompressInternal(dctx, dctxDict, dst[dstLen:cap(dst)], src, dd)
 		decompressedSize := int(result)
 		if decompressedSize >= 0 {
 			// All OK.
@@ -279,9 +274,8 @@ func decompress(dctx, dctxDict *dctxWrapper, dst, src []byte, dd *DDict) ([]byte
 		// This should be optimized since go 1.11 - see https://golang.org/doc/go1.11#performance-compiler.
 		dst = append(dst[:cap(dst)], make([]byte, n)...)
 	}
-	dst = dst[:dstLen+decompressBound]
 
-	result := decompressInternal(dctx, dctxDict, dst[dstLen:], src, dd)
+	result := decompressInternal(dctx, dctxDict, dst[dstLen:dstLen+decompressBound], src, dd)
 	decompressedSize := int(result)
 	if decompressedSize >= 0 {
 		// All OK.
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 56ab9e24a..4ac7933dd 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -95,7 +95,7 @@ github.com/valyala/fastjson
 github.com/valyala/fastjson/fastfloat
 # github.com/valyala/fastrand v1.0.0
 github.com/valyala/fastrand
-# github.com/valyala/gozstd v1.6.3
+# github.com/valyala/gozstd v1.6.4
 github.com/valyala/gozstd
 # github.com/valyala/histogram v1.0.1
 github.com/valyala/histogram