diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ee1f5e8..9cc6055c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+# [4.0.6] 2022-07-21
+
+- Limit recursive depth to `256` by default
+
 # [4.0.5] 2022-07-18
 
 - Fix serializing of JSON default values [#969](https://github.com/async-graphql/async-graphql/issues/969)
diff --git a/Cargo.toml b/Cargo.toml
index 0e52c5a9..d4e06f2b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ license = "MIT/Apache-2.0"
 name = "async-graphql"
 readme = "README.md"
 repository = "https://github.com/async-graphql/async-graphql"
-version = "4.0.5"
+version = "4.0.6"
 
 [features]
 apollo_persisted_queries = ["lru", "sha2"]
@@ -28,9 +28,9 @@ tracing = ["tracinglib", "tracing-futures"]
 unblock = ["blocking"]
 
 [dependencies]
-async-graphql-derive = { path = "derive", version = "4.0.5" }
-async-graphql-parser = { path = "parser", version = "4.0.5" }
-async-graphql-value = { path = "value", version = "4.0.5" }
+async-graphql-derive = { path = "derive", version = "4.0.6" }
+async-graphql-parser = { path = "parser", version = "4.0.6" }
+async-graphql-value = { path = "value", version = "4.0.6" }
 
 async-stream = "0.3.0"
 async-trait = "0.1.48"
diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index 9536440c..e6da13bf 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -9,13 +9,13 @@ keywords = ["futures", "async", "graphql"]
 license = "MIT/Apache-2.0"
 name = "async-graphql-derive"
 repository = "https://github.com/async-graphql/async-graphql"
-version = "4.0.5"
+version = "4.0.6"
 
 [lib]
 proc-macro = true
 
 [dependencies]
-async-graphql-parser = { path = "../parser", version = "4.0.5" }
+async-graphql-parser = { path = "../parser", version = "4.0.6" }
 
 Inflector = "0.11.4"
 darling = "0.14.0"
diff --git a/integrations/actix-web/Cargo.toml b/integrations/actix-web/Cargo.toml
index c3ece141..165c2ba2 100644
--- a/integrations/actix-web/Cargo.toml
+++ b/integrations/actix-web/Cargo.toml
@@ -9,10 +9,10 @@ keywords = ["futures", "async", "graphql"]
 license = "MIT/Apache-2.0"
 name = "async-graphql-actix-web"
 repository = "https://github.com/async-graphql/async-graphql"
-version = "4.0.5"
+version = "4.0.6"
 
 [dependencies]
-async-graphql = { path = "../..", version = "4.0.5", default-features = false }
+async-graphql = { path = "../..", version = "4.0.6", default-features = false }
 
 actix = "0.13.0"
 actix-http = "3.1.0"
diff --git a/integrations/axum/Cargo.toml b/integrations/axum/Cargo.toml
index 1273c5f5..a76c1576 100644
--- a/integrations/axum/Cargo.toml
+++ b/integrations/axum/Cargo.toml
@@ -9,10 +9,10 @@ keywords = ["futures", "async", "graphql", "axum"]
 license = "MIT/Apache-2.0"
 name = "async-graphql-axum"
 repository = "https://github.com/async-graphql/async-graphql"
-version = "4.0.5"
+version = "4.0.6"
 
 [dependencies]
-async-graphql = { path = "../..", version = "4.0.5", default-features = false }
+async-graphql = { path = "../..", version = "4.0.6", default-features = false }
 
 async-trait = "0.1.51"
 axum = { version = "0.5.1", features = ["ws", "headers"] }
diff --git a/integrations/poem/Cargo.toml b/integrations/poem/Cargo.toml
index 0086f143..f6e62154 100644
--- a/integrations/poem/Cargo.toml
+++ b/integrations/poem/Cargo.toml
@@ -9,10 +9,10 @@ keywords = ["futures", "async", "graphql", "poem"]
 license = "MIT/Apache-2.0"
 name = "async-graphql-poem"
 repository = "https://github.com/async-graphql/async-graphql"
-version = "4.0.5"
+version = "4.0.6"
 
 [dependencies]
-async-graphql = { path = "../..", version = "4.0.5", default-features = false }
+async-graphql = { path = "../..", version = "4.0.6", default-features = false }
 
 futures-util = { version = "0.3.0", default-features = false }
 poem = { version = "1.3.0", features = ["websocket"] }
diff --git a/integrations/rocket/Cargo.toml b/integrations/rocket/Cargo.toml
index 4312d179..bda3a947 100644
--- a/integrations/rocket/Cargo.toml
+++ b/integrations/rocket/Cargo.toml
@@ -9,10 +9,10 @@ keywords = ["futures", "async", "graphql", "rocket"]
 license = "MIT/Apache-2.0"
 name = "async-graphql-rocket"
 repository = "https://github.com/async-graphql/async-graphql"
-version = "4.0.5"
+version = "4.0.6"
 
 [dependencies]
-async-graphql = { path = "../..", version = "4.0.5", default-features = false }
+async-graphql = { path = "../..", version = "4.0.6", default-features = false }
 
 rocket = { version = "0.5.0-rc.2", default-features = false }
 serde = "1.0.126"
diff --git a/integrations/tide/Cargo.toml b/integrations/tide/Cargo.toml
index 7ff75e4e..ea69052c 100644
--- a/integrations/tide/Cargo.toml
+++ b/integrations/tide/Cargo.toml
@@ -9,14 +9,14 @@ keywords = ["futures", "async", "graphql"]
 license = "MIT/Apache-2.0"
 name = "async-graphql-tide"
 repository = "https://github.com/async-graphql/async-graphql"
-version = "4.0.5"
+version = "4.0.6"
 
 [features]
 default = ["websocket"]
 websocket = ["tide-websockets"]
 
 [dependencies]
-async-graphql = { path = "../..", version = "4.0.5", default-features = false }
+async-graphql = { path = "../..", version = "4.0.6", default-features = false }
 
 async-trait = "0.1.48"
 futures-util = "0.3.0"
diff --git a/integrations/warp/Cargo.toml b/integrations/warp/Cargo.toml
index 6cd7e2ca..b1c8d3af 100644
--- a/integrations/warp/Cargo.toml
+++ b/integrations/warp/Cargo.toml
@@ -9,10 +9,10 @@ keywords = ["futures", "async", "graphql"]
 license = "MIT/Apache-2.0"
 name = "async-graphql-warp"
 repository = "https://github.com/async-graphql/async-graphql"
-version = "4.0.5"
+version = "4.0.6"
 
 [dependencies]
-async-graphql = { path = "../..", version = "4.0.5", default-features = false }
+async-graphql = { path = "../..", version = "4.0.6", default-features = false }
 
 futures-util = { version = "0.3.0", default-features = false, features = [
   "sink",
diff --git a/parser/Cargo.toml b/parser/Cargo.toml
index 424fdac7..e5502200 100644
--- a/parser/Cargo.toml
+++ b/parser/Cargo.toml
@@ -9,10 +9,10 @@ keywords = ["futures", "async", "graphql"]
 license = "MIT/Apache-2.0"
 name = "async-graphql-parser"
 repository = "https://github.com/async-graphql/async-graphql"
-version = "4.0.5"
+version = "4.0.6"
 
 [dependencies]
-async-graphql-value = { path = "../value", version = "4.0.5" }
+async-graphql-value = { path = "../value", version = "4.0.6" }
 pest = "2.1.3"
 serde = { version = "1.0.125", features = ["derive"] }
 serde_json = "1.0.64"
diff --git a/value/Cargo.toml b/value/Cargo.toml
index 983473db..0b58d75e 100644
--- a/value/Cargo.toml
+++ b/value/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "async-graphql-value"
-version = "4.0.5"
+version = "4.0.6"
 authors = ["sunli <scott_s829@163.com>", "Koxiaet"]
 edition = "2021"
 description = "GraphQL value for async-graphql"