diff --git a/Cargo.lock b/Cargo.lock
index 37974966..16eba255 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -28,11 +28,11 @@ dependencies = [
 
 [[package]]
 name = "ammonia"
-version = "3.3.0"
+version = "4.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "64e6d1c7838db705c9b756557ee27c384ce695a1c51a6fe528784cb1c6840170"
+checksum = "1ab99eae5ee58501ab236beb6f20f6ca39be615267b014899c89b2f0bc18a459"
 dependencies = [
- "html5ever",
+ "html5ever 0.27.0",
  "maplit",
  "once_cell",
  "tendril",
@@ -661,12 +661,26 @@ checksum = "bea68cab48b8459f17cf1c944c67ddc572d272d9f2b274140f223ecb1da4a3b7"
 dependencies = [
  "log",
  "mac",
- "markup5ever",
+ "markup5ever 0.11.0",
  "proc-macro2",
  "quote",
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "html5ever"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c13771afe0e6e846f1e67d038d4cb29998a6779f93c809212e4e9c32efd244d4"
+dependencies = [
+ "log",
+ "mac",
+ "markup5ever 0.12.1",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.48",
+]
+
 [[package]]
 name = "http"
 version = "0.2.11"
@@ -892,8 +906,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a2629bb1404f3d34c2e921f21fd34ba00b206124c81f65c50b43b6aaefeb016"
 dependencies = [
  "log",
- "phf",
- "phf_codegen",
+ "phf 0.10.1",
+ "phf_codegen 0.10.0",
+ "string_cache",
+ "string_cache_codegen",
+ "tendril",
+]
+
+[[package]]
+name = "markup5ever"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16ce3abbeba692c8b8441d036ef91aea6df8da2c6b6e21c7e14d3c18e526be45"
+dependencies = [
+ "log",
+ "phf 0.11.2",
+ "phf_codegen 0.11.2",
  "string_cache",
  "string_cache_codegen",
  "tendril",
@@ -905,8 +933,8 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b9521dd6750f8e80ee6c53d65e2e4656d7de37064f3a7a5d2d11d05df93839c2"
 dependencies = [
- "html5ever",
- "markup5ever",
+ "html5ever 0.26.0",
+ "markup5ever 0.11.0",
  "tendril",
  "xml5ever",
 ]
@@ -1175,7 +1203,16 @@ version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fabbf1ead8a5bcbc20f5f8b939ee3f5b0f6f281b6ad3468b84656b658b455259"
 dependencies = [
- "phf_shared",
+ "phf_shared 0.10.0",
+]
+
+[[package]]
+name = "phf"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ade2d8b8f33c7333b51bcf0428d37e217e9f32192ae4772156f65063b8ce03dc"
+dependencies = [
+ "phf_shared 0.11.2",
 ]
 
 [[package]]
@@ -1184,8 +1221,18 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fb1c3a8bc4dd4e5cfce29b44ffc14bedd2ee294559a294e2a4d4c9e9a6a13cd"
 dependencies = [
- "phf_generator",
- "phf_shared",
+ "phf_generator 0.10.0",
+ "phf_shared 0.10.0",
+]
+
+[[package]]
+name = "phf_codegen"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8d39688d359e6b34654d328e262234662d16cc0f60ec8dcbe5e718709342a5a"
+dependencies = [
+ "phf_generator 0.11.2",
+ "phf_shared 0.11.2",
 ]
 
 [[package]]
@@ -1194,7 +1241,17 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5d5285893bb5eb82e6aaf5d59ee909a06a16737a8970984dd7746ba9283498d6"
 dependencies = [
- "phf_shared",
+ "phf_shared 0.10.0",
+ "rand",
+]
+
+[[package]]
+name = "phf_generator"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48e4cc64c2ad9ebe670cb8fd69dd50ae301650392e81c05f9bfcb2d5bdbc24b0"
+dependencies = [
+ "phf_shared 0.11.2",
  "rand",
 ]
 
@@ -1207,6 +1264,15 @@ dependencies = [
  "siphasher",
 ]
 
+[[package]]
+name = "phf_shared"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "90fcb95eef784c2ac79119d1dd819e162b5da872ce6f3c3abe1e8ca1c082f72b"
+dependencies = [
+ "siphasher",
+]
+
 [[package]]
 name = "pin-project"
 version = "1.1.4"
@@ -1457,7 +1523,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6f9da09dc3f4dfdb6374cbffff7a2cffcec316874d4429899eefdc97b3b94dcd"
 dependencies = [
  "bit-set",
- "html5ever",
+ "html5ever 0.26.0",
  "markup5ever_rcdom",
 ]
 
@@ -1578,7 +1644,7 @@ dependencies = [
  "new_debug_unreachable",
  "once_cell",
  "parking_lot",
- "phf_shared",
+ "phf_shared 0.10.0",
  "precomputed-hash",
  "serde",
 ]
@@ -1589,8 +1655,8 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6bb30289b722be4ff74a408c3cc27edeaad656e06cb1fe8fa9231fa59c728988"
 dependencies = [
- "phf_generator",
- "phf_shared",
+ "phf_generator 0.10.0",
+ "phf_shared 0.10.0",
  "proc-macro2",
  "quote",
 ]
@@ -2197,7 +2263,7 @@ checksum = "4034e1d05af98b51ad7214527730626f019682d797ba38b51689212118d8e650"
 dependencies = [
  "log",
  "mac",
- "markup5ever",
+ "markup5ever 0.11.0",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index db1b1825..1c4d3a69 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -50,7 +50,7 @@ warp = { version = "0.3.6", default-features = false, features = ["websocket"],
 
 # Search feature
 elasticlunr-rs = { version = "3.0.2", optional = true }
-ammonia = { version = "3.3.0", optional = true }
+ammonia = { version = "4.0.0", optional = true }
 
 [dev-dependencies]
 assert_cmd = "2.0.11"