diff --git a/Cargo.toml b/Cargo.toml
index 7d958ae3..bc8b21ae 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "async-graphql"
-version = "2.9.0"
+version = "2.9.1"
 authors = ["sunli <scott_s829@163.com>", "Koxiaet"]
 edition = "2018"
 description = "A GraphQL server library implemented in Rust"
@@ -22,9 +22,9 @@ dataloader = ["futures-timer", "futures-channel", "lru"]
 tracing = ["tracinglib", "tracing-futures"]
 
 [dependencies]
-async-graphql-derive = { path = "derive", version = "2.9.0" }
-async-graphql-value = { path = "value", version = "=2.6.5" }
-async-graphql-parser = { path = "parser", version = "2.9.0" }
+async-graphql-derive = { path = "derive", version = "=2.9.1" }
+async-graphql-value = { path = "value", version = "=2.9.1" }
+async-graphql-parser = { path = "parser", version = "=2.9.1" }
 
 async-stream = "0.3.0"
 async-trait = "0.1.48"
diff --git a/derive/Cargo.toml b/derive/Cargo.toml
index a8f62b5f..cbd9c4b0 100644
--- a/derive/Cargo.toml
+++ b/derive/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "async-graphql-derive"
-version = "2.9.0"
+version = "2.9.1"
 authors = ["sunli <scott_s829@163.com>", "Koxiaet"]
 edition = "2018"
 description = "Macros for async-graphql"
@@ -15,7 +15,7 @@ categories = ["network-programming", "asynchronous"]
 proc-macro = true
 
 [dependencies]
-async-graphql-parser = { path = "../parser", version = "2.9.0" }
+async-graphql-parser = { path = "../parser", version = "=2.9.1" }
 proc-macro2 = "1.0.24"
 syn = { version = "1.0.64", features = ["full", "extra-traits", "visit-mut", "visit"] }
 quote = "1.0.9"
diff --git a/integrations/actix-web/Cargo.toml b/integrations/actix-web/Cargo.toml
index 5174fd42..13a7f3a4 100644
--- a/integrations/actix-web/Cargo.toml
+++ b/integrations/actix-web/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "async-graphql-actix-web"
-version = "2.9.0"
+version = "2.9.1"
 authors = ["sunli <scott_s829@163.com>", "Koxiaet"]
 edition = "2018"
 description = "async-graphql for actix-web"
@@ -12,7 +12,7 @@ keywords = ["futures", "async", "graphql"]
 categories = ["network-programming", "asynchronous"]
 
 [dependencies]
-async-graphql = { path = "../..", version = "2.9.0" }
+async-graphql = { path = "../..", version = "=2.9.1" }
 
 actix = "0.10.0"
 actix-http = "2.2.0"
diff --git a/integrations/rocket/Cargo.toml b/integrations/rocket/Cargo.toml
index b55a1f42..ab5a9519 100644
--- a/integrations/rocket/Cargo.toml
+++ b/integrations/rocket/Cargo.toml
@@ -14,7 +14,7 @@ keywords = ["futures", "async", "graphql", "rocket"]
 categories = ["network-programming", "asynchronous"]
 
 [dependencies]
-async-graphql = { path = "../..", version = "2.9.0" }
+async-graphql = { path = "../..", version = "=2.9.1" }
 
 rocket = { git = "https://github.com/SergioBenitez/Rocket", rev = "fa3e033", default-features = false } # TODO: Change to Cargo crate when Rocket 0.5.0 is released
 serde = "1.0.126"
diff --git a/integrations/tide/Cargo.toml b/integrations/tide/Cargo.toml
index 57776288..04526909 100644
--- a/integrations/tide/Cargo.toml
+++ b/integrations/tide/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "async-graphql-tide"
-version = "2.9.0"
+version = "2.9.1"
 authors = ["vkill <vkill.net@gmail.com>"]
 edition = "2018"
 description = "async-graphql for tide"
@@ -12,7 +12,7 @@ keywords = ["futures", "async", "graphql"]
 categories = ["network-programming", "asynchronous"]
 
 [dependencies]
-async-graphql = { path = "../..", version = "2.9.0" }
+async-graphql = { path = "../..", version = "=2.9.1" }
 async-trait = "0.1.48"
 futures-util = "0.3.13"
 serde_json = "1.0.64"
diff --git a/integrations/warp/Cargo.toml b/integrations/warp/Cargo.toml
index 5a03b939..df09fd8d 100644
--- a/integrations/warp/Cargo.toml
+++ b/integrations/warp/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "async-graphql-warp"
-version = "2.9.0"
+version = "2.9.1"
 authors = ["sunli <scott_s829@163.com>", "Koxiaet"]
 edition = "2018"
 description = "async-graphql for warp"
@@ -12,7 +12,7 @@ keywords = ["futures", "async", "graphql"]
 categories = ["network-programming", "asynchronous"]
 
 [dependencies]
-async-graphql = { path = "../..", version = "2.9.0" }
+async-graphql = { path = "../..", version = "=2.9.1" }
 
 warp = { version = "0.3.0", default-features = false, features = ["websocket"] }
 futures-util = { version = "0.3.13", default-features = false, features = ["sink"] }
diff --git a/parser/Cargo.toml b/parser/Cargo.toml
index 4326448e..e935145d 100644
--- a/parser/Cargo.toml
+++ b/parser/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "async-graphql-parser"
-version = "2.9.0"
+version = "2.9.1"
 authors = ["sunli <scott_s829@163.com>", "Koxiaet"]
 edition = "2018"
 description = "GraphQL query parser for async-graphql"
@@ -12,7 +12,7 @@ keywords = ["futures", "async", "graphql"]
 categories = ["network-programming", "asynchronous"]
 
 [dependencies]
-async-graphql-value = { path = "../value", version = "=2.6.5" }
+async-graphql-value = { path = "../value", version = "=2.9.1" }
 pest = "2.1.3"
 pest_derive = "2.1.0"
 serde_json = "1.0.64"
diff --git a/value/Cargo.toml b/value/Cargo.toml
index 6e5065d0..38513355 100644
--- a/value/Cargo.toml
+++ b/value/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "async-graphql-value"
-version = "2.6.5"
+version = "2.9.1"
 authors = ["sunli <scott_s829@163.com>", "Koxiaet"]
 edition = "2018"
 description = "GraphQL value for async-graphql"