diff --git a/Cargo.lock b/Cargo.lock
index 462422fb..74993189 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -18,17 +18,17 @@ dependencies = [
 
 [[package]]
 name = "activitystreams"
-version = "0.7.0-alpha.14"
+version = "0.7.0-alpha.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6bcc3fbb392890a1942b1e5cca76cba93c8ed24b5ff50004cc3289afaab3f92c"
+checksum = "c82b411e57dda7d1536b5ba4c019419055d5760d65d688f76b7de2bddfcafa2d"
 dependencies = [
  "activitystreams-kinds",
- "chrono",
+ "iri-string",
  "mime 0.3.16",
  "serde 1.0.133",
  "serde_json",
  "thiserror",
- "url 2.2.2",
+ "time 0.3.5",
 ]
 
 [[package]]
@@ -44,12 +44,12 @@ dependencies = [
 
 [[package]]
 name = "activitystreams-kinds"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0784e99afd032199d3ed70cefb8eb3a8d1aef15f7f2c4e68d033c4e12bb6079e"
+checksum = "4b30fcdc389e79f9a0e7175c5ce4d48eb84039228e11a41b081a21bca0d566f2"
 dependencies = [
+ "iri-string",
  "serde 1.0.133",
- "url 2.2.2",
 ]
 
 [[package]]
@@ -597,9 +597,9 @@ dependencies = [
 
 [[package]]
 name = "combine"
-version = "4.6.2"
+version = "4.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2b2f5d0ee456f3928812dfc8c6d9a1d592b98678f6d56db9b0cd2b7bc6c8db5"
+checksum = "50b727aacc797f9fc28e355d21f34709ac4fc9adecfe470ad07b8f4464f53062"
 dependencies = [
  "memchr",
 ]
@@ -766,11 +766,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ae5588f6b3c3cb05239e90bd110f257254aecd01e4635400391aeae07497845"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-channel 0.5.1",
+ "crossbeam-channel 0.5.2",
  "crossbeam-deque 0.8.1",
- "crossbeam-epoch 0.9.5",
- "crossbeam-queue 0.3.2",
- "crossbeam-utils 0.8.5",
+ "crossbeam-epoch 0.9.6",
+ "crossbeam-queue 0.3.3",
+ "crossbeam-utils 0.8.6",
 ]
 
 [[package]]
@@ -785,12 +785,12 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06ed27e177f16d65f0f0c22a213e17c696ace5dd64b14258b52f9417ccb52db4"
+checksum = "e54ea8bc3fb1ee042f5aace6e3c6e025d3874866da222930f70ce62aceba0bfa"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-utils 0.8.5",
+ "crossbeam-utils 0.8.6",
 ]
 
 [[package]]
@@ -811,8 +811,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6455c0ca19f0d2fbf751b908d5c55c1f5cbc65e03c4225427254b46890bdde1e"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-epoch 0.9.5",
- "crossbeam-utils 0.8.5",
+ "crossbeam-epoch 0.9.6",
+ "crossbeam-utils 0.8.6",
 ]
 
 [[package]]
@@ -832,12 +832,12 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.5"
+version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ec02e091aa634e2c3ada4a392989e7c3116673ef0ac5b72232439094d73b7fd"
+checksum = "97242a70df9b89a65d0b6df3c4bf5b9ce03c5b7309019777fbde37e7537f8762"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-utils 0.8.5",
+ "crossbeam-utils 0.8.6",
  "lazy_static",
  "memoffset 0.6.5",
  "scopeguard",
@@ -856,12 +856,12 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-queue"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9b10ddc024425c88c2ad148c1b0fd53f4c6d38db9697c9f1588381212fa657c9"
+checksum = "b979d76c9fcb84dffc80a73f7290da0f83e4c95773494674cb44b76d13a7a110"
 dependencies = [
  "cfg-if 1.0.0",
- "crossbeam-utils 0.8.5",
+ "crossbeam-utils 0.8.6",
 ]
 
 [[package]]
@@ -877,9 +877,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.5"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d82cfc11ce7f2c3faef78d8a684447b40d503d9681acebed6cb728d45940c4db"
+checksum = "cfcae03edb34f947e64acdb1c33ec169824e20657e9ecb61cef6c8c74dcb8120"
 dependencies = [
  "cfg-if 1.0.0",
  "lazy_static",
@@ -1917,9 +1917,9 @@ checksum = "cb56e1aa765b4b4f3aadfab769793b7087bb03a4ea4920644a6d238e2df5b9ed"
 
 [[package]]
 name = "indexmap"
-version = "1.7.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
+checksum = "282a6247722caba404c065016bbfa522806e51714c34f5dfc3e4a3a46fcb4223"
 dependencies = [
  "autocfg 1.0.1",
  "hashbrown 0.11.2",
@@ -1969,6 +1969,16 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68f2d64f2edebec4ce84ad108148e67e1064789bee435edc5b60ad398714a3a9"
 
+[[package]]
+name = "iri-string"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f0f7638c1e223529f1bfdc48c8b133b9e0b434094d1d28473161ee48b235f78"
+dependencies = [
+ "nom 7.1.0",
+ "serde 1.0.133",
+]
+
 [[package]]
 name = "itertools"
 version = "0.8.2"
@@ -2825,9 +2835,9 @@ dependencies = [
 
 [[package]]
 name = "openssl-probe"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28988d872ab76095a6e6ac88d99b54fd267702734fd7ffe610ca27f533ddb95a"
+checksum = "ff011a302c396a5197692431fc1948019154afc178baf7d8e37367442a4601cf"
 
 [[package]]
 name = "openssl-sys"
@@ -3634,9 +3644,9 @@ version = "1.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d78120e2c850279833f1dd3582f730c4ab53ed95aeaaaa862a2a5c71b1656d8e"
 dependencies = [
- "crossbeam-channel 0.5.1",
+ "crossbeam-channel 0.5.2",
  "crossbeam-deque 0.8.1",
- "crossbeam-utils 0.8.5",
+ "crossbeam-utils 0.8.6",
  "lazy_static",
  "num_cpus",
 ]
@@ -4582,13 +4592,13 @@ dependencies = [
 
 [[package]]
 name = "tempfile"
-version = "3.2.0"
+version = "3.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
+checksum = "5cdb1ef4eaeeaddc8fbd371e5017057064af0911902ef36b39801f67cc6d79e4"
 dependencies = [
  "cfg-if 1.0.0",
+ "fastrand",
  "libc",
- "rand 0.8.4",
  "redox_syscall 0.2.10",
  "remove_dir_all",
  "winapi 0.3.9",
@@ -5228,7 +5238,6 @@ dependencies = [
  "idna 0.2.3",
  "matches",
  "percent-encoding 2.1.0",
- "serde 1.0.133",
 ]
 
 [[package]]