diff --git a/api/unpack/index.go b/api/unpack/index.go
index 8beec6c..a22fc7e 100644
--- a/api/unpack/index.go
+++ b/api/unpack/index.go
@@ -16,6 +16,7 @@ import (
 	"github.com/numtide/nar-serve/pkg/narinfo"
 
 	"github.com/ulikunitz/xz"
+	"github.com/klauspost/compress/zstd"
 )
 
 // MountPath is where this handler is supposed to be mounted
@@ -81,6 +82,12 @@ func Handler(w http.ResponseWriter, req *http.Request) {
 		}
 	case "bzip2":
 		r = bzip2.NewReader(r)
+	case "zstd":
+		r, err = zstd.NewReader(r)
+		if err != nil {
+			http.Error(w, err.Error(), 500)
+			return
+		}
 	default:
 		http.Error(w, fmt.Sprintf("compression %s not handled", narinfo.Compression), 500)
 		return
diff --git a/default.nix b/default.nix
index 85e7613..eb17099 100644
--- a/default.nix
+++ b/default.nix
@@ -7,7 +7,7 @@ rec {
     pname = "nar-serve";
     version = "latest";
     src = nixpkgs.lib.cleanSource ./.;
-    vendorHash = "sha256-KZ7dOwx52+2ljfedAMUR1FRv3kAO7Kl4y6wvjJeWdKc=";
+    vendorHash = "sha256-IfXhuVwZf43FcQQ+i77aJHWG0auHBaHnKgTQJKa0L/M=";
     doCheck = false;
   };
 
diff --git a/go.mod b/go.mod
index e486040..543635a 100644
--- a/go.mod
+++ b/go.mod
@@ -29,6 +29,7 @@ require (
 	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
 	github.com/googleapis/gax-go/v2 v2.13.0 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	go.opencensus.io v0.24.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.53.0 // indirect
diff --git a/go.sum b/go.sum
index 860af39..fcaf208 100644
--- a/go.sum
+++ b/go.sum
@@ -72,6 +72,8 @@ github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9Y
 github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
 github.com/jmespath/go-jmespath/internal/testify v1.5.1 h1:shLQSRRSCCPj3f2gpwzGwWFoC7ycTf1rcQZHOlsJ6N8=
 github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
+github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
+github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=