diff --git a/CHANGELOG.md b/CHANGELOG.md
index d72b66c41..71d375a7f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 0.15.3 (unreleased)
+## 0.15.3 (2022-01-23)
 
 - Fix shortcodes not being rendered in code blocks
 - Fix colocated assets with no extensions being ignored
diff --git a/Cargo.lock b/Cargo.lock
index 6429f5da0..f595977ae 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -25,9 +25,9 @@ dependencies = [
 
 [[package]]
 name = "ammonia"
-version = "3.1.2"
+version = "3.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e445c26125ff80316eaea16e812d717b147b82a68682bd4730f74d4845c8b35"
+checksum = "b74b175af97d1aecc1add0878b1cbfcbf3bd4c22d7713eeb6d597da23e29bc0d"
 dependencies = [
  "html5ever",
  "lazy_static",
@@ -55,9 +55,9 @@ checksum = "70033777eb8b5124a81a1889416543dddef2de240019b674c81285a2635a7e1e"
 
 [[package]]
 name = "anyhow"
-version = "1.0.52"
+version = "1.0.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84450d0b4a8bd1ba4144ce8ce718fbc5d071358b1e5384bace6536b3d1f2d5b3"
+checksum = "94a45b455c14666b85fc40a019e8ab9eb75e3a124e05494f5397122bc9eb06e0"
 
 [[package]]
 name = "arrayvec"
@@ -357,9 +357,9 @@ dependencies = [
 
 [[package]]
 name = "crc32fast"
-version = "1.3.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "738c290dfaea84fc1ca15ad9c168d083b05a714e1efddd8edaab678dc28d2836"
+checksum = "a2209c310e29876f7f0b2721e7e26b84aff178aa3da5d091f9bfbf47669e60e3"
 dependencies = [
  "cfg-if 1.0.0",
 ]
@@ -602,9 +602,9 @@ checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 
 [[package]]
 name = "fastrand"
-version = "1.6.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "779d043b6a0b90cc4c0ed7ee380a6504394cee7efd7db050e3774eee387324b2"
+checksum = "c3fcf0cee53519c866c09b5de1f6c56ff9d647101f81c1964fa632e148896cdf"
 dependencies = [
  "instant",
 ]
@@ -1189,9 +1189,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.55"
+version = "0.3.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7cc9ffccd38c451a86bf13657df244e9c3f37493cce8e5e21e940963777acc84"
+checksum = "a38fc24e30fd564ce974c02bf1d337caddff65be6cc4735a1f7eab22a7440f04"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -1242,9 +1242,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.112"
+version = "0.2.113"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
+checksum = "eef78b64d87775463c549fbd80e19249ef436ea3bf1de2a1eb7e717ec7fab1e9"
 
 [[package]]
 name = "library"
@@ -1800,6 +1800,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "num_threads"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71a1eb3a36534514077c1e079ada2fb170ef30c47d203aa6916138cf882ecd52"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.9.0"
@@ -2083,7 +2092,7 @@ dependencies = [
  "indexmap",
  "line-wrap",
  "serde",
- "time 0.3.5",
+ "time 0.3.6",
  "xml-rs",
 ]
 
@@ -2139,9 +2148,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quote"
-version = "1.0.14"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47aa80447ce4daf1717500037052af176af5d38cc3e571d9ec1c7353fc10c87d"
+checksum = "864d3e96a899863136fc6e99f3d7cae289dafe43bf2c5ac19b70df7210c0a145"
 dependencies = [
  "proc-macro2",
 ]
@@ -2516,9 +2525,9 @@ dependencies = [
 
 [[package]]
 name = "security-framework"
-version = "2.4.2"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "525bc1abfda2e1998d152c45cf13e696f76d0a4972310b22fac1658b05df7c87"
+checksum = "d09d3c15d814eda1d6a836f2f2b56a6abc1446c8a34351cb3180d3db92ffe4ce"
 dependencies = [
  "bitflags",
  "core-foundation",
@@ -2529,9 +2538,9 @@ dependencies = [
 
 [[package]]
 name = "security-framework-sys"
-version = "2.4.2"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9dd14d83160b528b7bfd66439110573efcfbe281b17fc2ca9f39f550d619c7e"
+checksum = "e90dd10c41c6bfc633da6e0c659bd25d31e0791e5974ac42970267d59eba87f7"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -2539,18 +2548,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.133"
+version = "1.0.135"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97565067517b60e2d1ea8b268e59ce036de907ac523ad83a0475da04e818989a"
+checksum = "2cf9235533494ea2ddcdb794665461814781c53f19d87b76e571a1c35acbad2b"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.133"
+version = "1.0.135"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed201699328568d8d08208fdd080e3ff594e6c422e438b6705905da01005d537"
+checksum = "8dcde03d87d4c973c04be249e7d8f0b35db1c848c487bd43032808e59dd8328d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2559,9 +2568,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.74"
+version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee2bb9cd061c5865d345bb02ca49fcef1391741b672b54a0bf7b679badec3142"
+checksum = "d23c1ba4cf0efd44be32017709280b32d1cea5c3f1275c3b6d9e8bc54f758085"
 dependencies = [
  "indexmap",
  "itoa 1.0.1",
@@ -2571,12 +2580,12 @@ dependencies = [
 
 [[package]]
 name = "serde_urlencoded"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edfa57a7f8d9c1d260a549e7224100f6c43d43f9103e06dd8b4095a9b2b43ce9"
+checksum = "d3491c14715ca2294c4d6a88f15e84739788c1d030eed8c110436aafdaa2f3fd"
 dependencies = [
  "form_urlencoded",
- "itoa 0.4.8",
+ "itoa 1.0.1",
  "ryu",
  "serde",
 ]
@@ -2629,9 +2638,9 @@ dependencies = [
 
 [[package]]
 name = "siphasher"
-version = "0.3.7"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "533494a8f9b724d33625ab53c6c4800f7cc445895924a8ef649222dcb76e938b"
+checksum = "a86232ab60fa71287d7f2ddae4a7073f6b7aac33631c3015abb556f08c6d0a3e"
 
 [[package]]
 name = "site"
@@ -2687,15 +2696,15 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.7.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ecab6c735a6bb4139c0caafd0cc3635748bbb3acf4550e8138122099251f309"
+checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
 
 [[package]]
 name = "socket2"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dc90fe6c7be1a323296982db1836d1ea9e47b6839496dde9a541bc496df3516"
+checksum = "0f82496b90c36d70af5fcd482edaa2e0bd16fade569de1330405fecbbdac736b"
 dependencies = [
  "libc",
  "winapi 0.3.9",
@@ -2777,9 +2786,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.85"
+version = "1.0.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a684ac3dcd8913827e18cd09a68384ee66c1de24157e3c556c9ab16d85695fb7"
+checksum = "8a65b3f4ffa0092e9887669db0eae07941f023991ab58ea44da8fe8e2d511c6b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2976,12 +2985,13 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41effe7cfa8af36f439fac33861b66b049edc6f9a32331e2312660529c1c24ad"
+checksum = "c8d54b9298e05179c335de2b9645d061255bcd5155f843b3e328d2cfe0a5b413"
 dependencies = [
- "itoa 0.4.8",
+ "itoa 1.0.1",
  "libc",
+ "num_threads",
 ]
 
 [[package]]
@@ -3337,9 +3347,9 @@ checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.78"
+version = "0.2.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "632f73e236b219150ea279196e54e610f5dbafa5d61786303d4da54f84e47fce"
+checksum = "25f1af7423d8588a3d840681122e72e6a24ddbcb3f0ec385cac0d12d24256c06"
 dependencies = [
  "cfg-if 1.0.0",
  "wasm-bindgen-macro",
@@ -3347,9 +3357,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.78"
+version = "0.2.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a317bf8f9fba2476b4b2c85ef4c4af8ff39c3c7f0cdfeed4f82c34a880aa837b"
+checksum = "8b21c0df030f5a177f3cba22e9bc4322695ec43e7257d865302900290bcdedca"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -3362,9 +3372,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.28"
+version = "0.4.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e8d7523cb1f2a4c96c1317ca690031b714a51cc14e05f712446691f413f5d39"
+checksum = "2eb6ec270a31b1d3c7e266b999739109abce8b6c87e4b31fcfcd788b65267395"
 dependencies = [
  "cfg-if 1.0.0",
  "js-sys",
@@ -3374,9 +3384,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.78"
+version = "0.2.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d56146e7c495528bf6587663bea13a8eb588d39b36b679d83972e1a2dbbdacf9"
+checksum = "2f4203d69e40a52ee523b2529a773d5ffc1dc0071801c87b3d270b471b80ed01"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -3384,9 +3394,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.78"
+version = "0.2.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7803e0eea25835f8abdc585cd3021b3deb11543c6fe226dcd30b228857c5c5ab"
+checksum = "bfa8a30d46208db204854cadbb5d4baf5fcf8071ba5bf48190c3e59937962ebc"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3397,15 +3407,15 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.78"
+version = "0.2.79"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0237232789cf037d5480773fe568aac745bfe2afbc11a863e97901780a6b47cc"
+checksum = "3d958d035c4438e28c70e4321a2911302f10135ce78a9c7834c0cab4123d06a2"
 
 [[package]]
 name = "web-sys"
-version = "0.3.55"
+version = "0.3.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38eb105f1c59d9eaa6b5cdc92b859d85b926e82cb2e0945cd0c9259faa6fe9fb"
+checksum = "c060b319f29dd25724f09a2ba1418f142f539b2be99fbf4d2d5a8f7330afb8eb"
 dependencies = [
  "js-sys",
  "wasm-bindgen",