diff --git a/Cargo.lock b/Cargo.lock
index 95f5afd..9b8b55c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -24,11 +24,11 @@ dependencies = [
 
 [[package]]
 name = "bindgen"
-version = "0.62.0"
+version = "0.66.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6720a8b7b2d39dd533285ed438d458f65b31b5c257e6ac7bb3d7e82844dd722"
+checksum = "f2b84e06fc203107bfbad243f4aba2af864eb7db3b1cf46ea0a023b0b433d2a7"
 dependencies = [
- "bitflags 1.3.2",
+ "bitflags 2.3.1",
  "cexpr",
  "clang-sys",
  "lazy_static",
@@ -39,7 +39,7 @@ dependencies = [
  "regex",
  "rustc-hash",
  "shlex",
- "syn 1.0.109",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -288,24 +288,25 @@ dependencies = [
 
 [[package]]
 name = "magnus"
-version = "0.5.4"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b560c3c0284c9ec7c30b7ba823896387423225add3f107213a794b73853c7505"
+checksum = "4778544796676e8428e9c622460ebf284bea52d8b10db3aeb449d8b5e61b3a13"
 dependencies = [
  "magnus-macros",
  "rb-sys",
  "rb-sys-env",
+ "seq-macro",
 ]
 
 [[package]]
 name = "magnus-macros"
-version = "0.4.1"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6cc17af1d45442c011aa579d727ec6cff8a69aea8a6bbad26736e7112d749bfb"
+checksum = "5968c820e2960565f647819f5928a42d6e874551cab9d88d75e3e0660d7f71e3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -503,18 +504,18 @@ dependencies = [
 
 [[package]]
 name = "rb-sys"
-version = "0.9.78"
+version = "0.9.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91447d8cbb45afb5c915bad4dd44bd4b4e9be37648122409ceca75302cb81683"
+checksum = "a3e6bf79bf4c711917cacfaf46dfab4314dbfdd89a8ee3ec4b98336cd23f1ebf"
 dependencies = [
  "rb-sys-build",
 ]
 
 [[package]]
 name = "rb-sys-build"
-version = "0.9.78"
+version = "0.9.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20673c1cfbd57b2db6c066b796352f07d241c45b210fd15b269dec54fa240380"
+checksum = "5482a1ed4cde58dddaf162b6aebcb5c25645822547832b8be101f2acd40bcdd6"
 dependencies = [
  "bindgen",
  "lazy_static",
@@ -522,7 +523,7 @@ dependencies = [
  "quote",
  "regex",
  "shell-words",
- "syn 1.0.109",
+ "syn 2.0.18",
 ]
 
 [[package]]
@@ -605,6 +606,12 @@ version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
 
+[[package]]
+name = "seq-macro"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3f0bf26fd526d2a95683cd0f87bf103b8539e2ca1ef48ce002d67aad59aa0b4"
+
 [[package]]
 name = "servo_arc"
 version = "0.1.1"
diff --git a/ext/selma/Cargo.toml b/ext/selma/Cargo.toml
index 0a7dc68..cd4104c 100644
--- a/ext/selma/Cargo.toml
+++ b/ext/selma/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 [dependencies]
 enum-iterator = "1.4"
 escapist = "0.0.2"
-magnus = "0.5"
+magnus = "0.6"
 lol_html = "1.2"
 
 [lib]