diff --git a/Cargo.lock b/Cargo.lock
index b27d1f2..abac0f5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -78,23 +78,6 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cff77d8686867eceff3105329d4698d96c2391c176d5d03adc90c7389162b5b8"
 
-[[package]]
-name = "async-channel"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee81ba99bee79f3c8ae114ae4baa7eaa326f63447cf2ec65e4393618b63f8770"
-dependencies = [
- "concurrent-queue",
- "event-listener",
- "futures-core",
-]
-
-[[package]]
-name = "atomic-waker"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "065374052e7df7ee4047b1160cca5e1467a12351a40b3da123c870ba0b8eda2a"
-
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -159,7 +142,16 @@ dependencies = [
  "block-padding",
  "byte-tools",
  "byteorder",
- "generic-array",
+ "generic-array 0.12.3",
+]
+
+[[package]]
+name = "block-buffer"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
+dependencies = [
+ "generic-array 0.14.3",
 ]
 
 [[package]]
@@ -171,20 +163,6 @@ dependencies = [
  "byte-tools",
 ]
 
-[[package]]
-name = "blocking"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2468ff7bf85066b4a3678fede6fe66db31846d753ff0adfbfab2c6a6e81612b"
-dependencies = [
- "async-channel",
- "atomic-waker",
- "futures-lite",
- "once_cell",
- "parking",
- "waker-fn",
-]
-
 [[package]]
 name = "buf_redux"
 version = "0.8.4"
@@ -225,12 +203,6 @@ version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
 
-[[package]]
-name = "cache-padded"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "631ae5198c9be5e753e5cc215e1bd73c2b466a3565173db433f52bb9d3e66dba"
-
 [[package]]
 name = "cc"
 version = "1.0.58"
@@ -305,15 +277,6 @@ dependencies = [
  "unicode_categories",
 ]
 
-[[package]]
-name = "concurrent-queue"
-version = "1.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1582139bb74d97ef232c30bc236646017db06f13ee7cc01fa24c9e55640f86d4"
-dependencies = [
- "cache-padded",
-]
-
 [[package]]
 name = "core-foundation"
 version = "0.7.0"
@@ -330,6 +293,12 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b3a71ab494c0b5b860bdc8407ae08978052417070c2ced38573a9157ad75b8ac"
 
+[[package]]
+name = "cpuid-bool"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8aebca1129a03dc6dc2b127edd729435bbc4a37e1d5f4d7513165089ceb02634"
+
 [[package]]
 name = "crc32fast"
 version = "1.2.0"
@@ -341,13 +310,12 @@ dependencies = [
 
 [[package]]
 name = "dhall"
-version = "0.5.3"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9a89818e4ddd4f9f466d2aadcdfae18d6cf27387dc044c345f011cd0d6e2f23"
+checksum = "e29424c9ca9af75146949dac68301ff27ecc292a241f0af8ef4a5cc750f63512"
 dependencies = [
  "abnf_to_pest",
  "annotate-snippets",
- "blocking",
  "hex",
  "itertools",
  "lazy_static",
@@ -361,7 +329,6 @@ dependencies = [
  "serde",
  "serde_cbor",
  "sha2",
- "smallvec",
  "url",
  "walkdir",
 ]
@@ -384,7 +351,16 @@ version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
 dependencies = [
- "generic-array",
+ "generic-array 0.12.3",
+]
+
+[[package]]
+name = "digest"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
+dependencies = [
+ "generic-array 0.14.3",
 ]
 
 [[package]]
@@ -452,24 +428,12 @@ dependencies = [
  "version_check 0.9.2",
 ]
 
-[[package]]
-name = "event-listener"
-version = "2.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "829694371bd7bbc6aee17c4ff624aad8bf9f4dc06c6f9f6071eaa08c89530d10"
-
 [[package]]
 name = "fake-simd"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 
-[[package]]
-name = "fastrand"
-version = "1.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36a9cb09840f81cd211e435d00a4e487edd263dc3c8ff815c32dd76ad668ebed"
-
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -561,21 +525,6 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "de27142b013a8e869c14957e6d2edeef89e97c289e69d042ee3a49acd8b51789"
 
-[[package]]
-name = "futures-lite"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8cc8771bd1bb4c7be3c5f072a1d5e18086ef220f100a0a4efece41076e87b9f2"
-dependencies = [
- "fastrand",
- "futures-core",
- "futures-io",
- "memchr",
- "parking",
- "pin-project-lite",
- "waker-fn",
-]
-
 [[package]]
 name = "futures-macro"
 version = "0.3.5"
@@ -632,6 +581,16 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60fb4bb6bba52f78a471264d9a3b7d026cc0af47b22cd2cffbc0b787ca003e63"
+dependencies = [
+ "typenum",
+ "version_check 0.9.2",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.1.14"
@@ -1179,6 +1138,12 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
+[[package]]
+name = "opaque-debug"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
+
 [[package]]
 name = "openssl"
 version = "0.10.30"
@@ -1212,12 +1177,6 @@ dependencies = [
  "vcpkg",
 ]
 
-[[package]]
-name = "parking"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6cb300f271742d4a2a66c01b6b2fa0c83dfebd2e0bf11addb879a3547b4ed87c"
-
 [[package]]
 name = "patreon"
 version = "0.1.0"
@@ -1817,9 +1776,9 @@ dependencies = [
 
 [[package]]
 name = "serde_dhall"
-version = "0.5.3"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfec10f64aaaf9b296dbd4355ec4f2c3248621cd8b114851fbd7fda3bf4d9374"
+checksum = "c0deb73a9d07e983a229b52e9c6fa8cef6f80688462a66d31f3d9aa5d0aadf4b"
 dependencies = [
  "dhall",
  "dhall_proc_macros",
@@ -1869,22 +1828,23 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
 dependencies = [
- "block-buffer",
- "digest",
+ "block-buffer 0.7.3",
+ "digest 0.8.1",
  "fake-simd",
- "opaque-debug",
+ "opaque-debug 0.2.3",
 ]
 
 [[package]]
 name = "sha2"
-version = "0.8.2"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a256f46ea78a0c0d9ff00077504903ac881a1dafdc20da66545699e7776b3e69"
+checksum = "2933378ddfeda7ea26f48c555bdad8bb446bf8a3d17832dc83e380d444cfb8c1"
 dependencies = [
- "block-buffer",
- "digest",
- "fake-simd",
- "opaque-debug",
+ "block-buffer 0.9.0",
+ "cfg-if",
+ "cpuid-bool",
+ "digest 0.9.0",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -1911,12 +1871,6 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
-[[package]]
-name = "smallvec"
-version = "1.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3757cb9d89161a2f24e1cf78efa0c1fcff485d18e3f55e0aa3480824ddaa0f3f"
-
 [[package]]
 name = "socket2"
 version = "0.3.12"
@@ -2307,12 +2261,6 @@ version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
 
-[[package]]
-name = "waker-fn"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9571542c2ce85ce642e6b58b3364da2fb53526360dfb7c211add4f5c23105ff7"
-
 [[package]]
 name = "walkdir"
 version = "2.3.1"
diff --git a/Cargo.toml b/Cargo.toml
index 3d8e8da..3b72dfe 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ mime = "0.3.0"
 pretty_env_logger = "0"
 prometheus = { version = "0.9", default-features = false, features = ["process"] }
 rand = "0"
-serde_dhall = "0.5.3"
+serde_dhall = "0.6.0"
 serde = { version = "1", features = ["derive"] }
 serde_yaml = "0.8"
 sitemap = "0.4"