diff --git a/Cargo.lock b/Cargo.lock
index fceec2e..e82ecb5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -683,9 +683,9 @@ 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 = [
  "bytes",
  "magnus-macros",
@@ -696,9 +696,9 @@ dependencies = [
 
 [[package]]
 name = "magnus-macros"
-version = "0.8.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47607461fd8e1513cb4f2076c197d8092d921a1ea75bd08af97398f593751892"
+checksum = "9dafde2eeb66f090e0f326112323eb8324b12cb32b5d1210e541d3df6b0ce77e"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 194defe..56cf489 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ doc = false
 name = "wreq_ruby"
 
 [dependencies]
-magnus = { version = "0.8.2", features = ["bytes"] }
+magnus = { version = "0.9.0", features = ["bytes"] }
 rb-sys = { version = "0.9.128", default-features = false }
 tokio = { version = "1.53.1", features = ["full"] }
 wreq = { version = "6.0.0-rc", features = [
@@ -50,7 +50,7 @@ futures-util = { version = "0.3.33", default-features = false }
 forkguard = { version = "0.1.3", features = ["atfork"] }
 
 [dev-dependencies]
-magnus = { version = "0.8.2", features = ["embed"] }
+magnus = { version = "0.9.0", features = ["embed"] }
 
 [build-dependencies]
 rb-sys-env = "0.2.2"