diff --git a/go.mod b/go.mod
index 0d5d0c5..4a48bc6 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/honeycombio/libhoney-go
 go 1.14
 
 require (
-	github.com/DataDog/zstd v1.5.2
+	github.com/DataDog/zstd v1.5.5
 	github.com/facebookgo/clock v0.0.0-20150410010913-600d898af40a // indirect
 	github.com/facebookgo/ensure v0.0.0-20200202191622-63f1cf65ac4c // indirect
 	github.com/facebookgo/limitgroup v0.0.0-20150612190941-6abd8d71ec01 // indirect
diff --git a/go.sum b/go.sum
index 528296e..122cf3c 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/DataDog/zstd v1.5.2 h1:vUG4lAyuPCXO0TLbXvPv7EB7cNK1QV/luu55UHLrrn8=
-github.com/DataDog/zstd v1.5.2/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
+github.com/DataDog/zstd v1.5.5 h1:oWf5W7GtOLgp6bciQYDmhHHjdhYkALu6S/5Ni9ZgSvQ=
+github.com/DataDog/zstd v1.5.5/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=