diff --git a/ext/parsekit/Cargo.lock b/ext/parsekit/Cargo.lock
index dd0a00d..551e16a 100644
--- a/ext/parsekit/Cargo.lock
+++ b/ext/parsekit/Cargo.lock
@@ -1317,9 +1317,9 @@ dependencies = [
 
 [[package]]
 name = "magnus"
-version = "0.8.2"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b36a5b126bbe97eb0d02d07acfeb327036c6319fd816139a49824a83b7f9012"
+checksum = "379d50b6eea4ca84074ccd3e551eb9b07f7865194d5b3198325317e9ef78e5e9"
 dependencies = [
  "magnus-macros",
  "rb-sys",
@@ -1329,9 +1329,9 @@ dependencies = [
 
 [[package]]
 name = "magnus-macros"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47607461fd8e1513cb4f2076c197d8092d921a1ea75bd08af97398f593751892"
+checksum = "4ca70566af98184bb92d4d9853daaf533c1a3418b9570d0547ea44970035f3fe"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/ext/parsekit/Cargo.toml b/ext/parsekit/Cargo.toml
index 60faca8..9871981 100644
--- a/ext/parsekit/Cargo.toml
+++ b/ext/parsekit/Cargo.toml
@@ -11,7 +11,7 @@ crate-type = ["cdylib"]
 name = "parsekit"
 
 [dependencies]
-magnus = { version = "0.8", features = ["rb-sys"] }
+magnus = { version = "0.9", features = ["rb-sys"] }
 # Document parsing - testing embedded C libraries
 # MuPDF builds from source and statically links
 mupdf = { version = "0.8", default-features = false, features = [] }