diff --git a/BUILD.bazel b/BUILD.bazel
index 3ad79c9..2e9f505 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -46,6 +46,7 @@ go_test(
     deps = [
         "@com_github_google_go_cmp//cmp",
         "@com_github_klauspost_compress//zstd",
+        "@com_github_klauspost_pgzip//:pgzip",
         "@com_github_ulikunitz_xz//:xz",
         "@com_github_ulikunitz_xz//lzma",
     ],
diff --git a/go.mod b/go.mod
index 4b6fd4e..6b21627 100644
--- a/go.mod
+++ b/go.mod
@@ -5,8 +5,8 @@ go 1.12
 require (
 	github.com/cavaliergopher/cpio v1.0.1
 	github.com/google/go-cmp v0.3.1
-	github.com/klauspost/compress v1.15.1
-	github.com/klauspost/pgzip v1.2.5
+	github.com/klauspost/compress v1.16.6
+	github.com/klauspost/pgzip v1.2.6
 	github.com/pkg/errors v0.9.1
-	github.com/ulikunitz/xz v0.5.10
+	github.com/ulikunitz/xz v0.5.11
 )
diff --git a/go.sum b/go.sum
index 96cf7b2..16115b5 100644
--- a/go.sum
+++ b/go.sum
@@ -2,11 +2,11 @@ github.com/cavaliergopher/cpio v1.0.1 h1:KQFSeKmZhv0cr+kawA3a0xTQCU4QxXF1vhU7P7a
 github.com/cavaliergopher/cpio v1.0.1/go.mod h1:pBdaqQjnvXxdS/6CvNDwIANIFSP0xRKI16PX4xejRQc=
 github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/klauspost/compress v1.15.1 h1:y9FcTHGyrebwfP0ZZqFiaxTaiDnUrGkJkI+f583BL1A=
-github.com/klauspost/compress v1.15.1/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
-github.com/klauspost/pgzip v1.2.5 h1:qnWYvvKqedOF2ulHpMG72XQol4ILEJ8k2wwRl/Km8oE=
-github.com/klauspost/pgzip v1.2.5/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQKQE9RUs=
+github.com/klauspost/compress v1.16.6 h1:91SKEy4K37vkp255cJ8QesJhjyRO0hn9i9G0GoUwLsk=
+github.com/klauspost/compress v1.16.6/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
+github.com/klauspost/pgzip v1.2.6 h1:8RXeL5crjEUFnR2/Sn6GJNWtSQ3Dk8pq4CL3jvdDyjU=
+github.com/klauspost/pgzip v1.2.6/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQKQE9RUs=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/ulikunitz/xz v0.5.10 h1:t92gobL9l3HE202wg3rlk19F6X+JOxl9BBrCCMYEYd8=
-github.com/ulikunitz/xz v0.5.10/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
+github.com/ulikunitz/xz v0.5.11 h1:kpFauv27b6ynzBNT/Xy+1k+fK4WswhN/6PN5WhFAGw8=
+github.com/ulikunitz/xz v0.5.11/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=