diff --git a/Cargo.lock b/Cargo.lock
index 7496ffaa..1ff17233 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "addr2line"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
+dependencies = [
+ "gimli 0.28.1",
+]
+
 [[package]]
 name = "adler"
 version = "1.0.2"
@@ -114,12 +123,33 @@ dependencies = [
  "rand",
 ]
 
+[[package]]
+name = "backtrace"
+version = "0.3.69"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if",
+ "libc",
+ "miniz_oxide 0.7.2",
+ "object 0.32.2",
+ "rustc-demangle",
+]
+
 [[package]]
 name = "base64"
 version = "0.21.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
 
+[[package]]
+name = "base64"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9475866fec1451be56a3c2400fd081ff546538961565ccb5b7142cbd22bc7a51"
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -189,7 +219,7 @@ dependencies = [
  "clap 2.34.0",
  "coveralls-api",
  "fallible-iterator",
- "gimli",
+ "gimli 0.26.2",
  "git2",
  "humantime-serde",
  "indexmap 1.7.0",
@@ -197,7 +227,7 @@ dependencies = [
  "libc",
  "memmap",
  "nix",
- "object",
+ "object 0.24.0",
  "proc-macro2",
  "procfs",
  "quick-xml",
@@ -490,7 +520,7 @@ dependencies = [
  "openssl-probe",
  "openssl-sys",
  "schannel",
- "socket2",
+ "socket2 0.4.10",
  "winapi",
 ]
 
@@ -609,7 +639,7 @@ checksum = "4bcfec3a70f97c962c307b2d2c56e358cf1d00b558d74262b5f929ee8cc7e73a"
 dependencies = [
  "errno-dragonfly",
  "libc",
- "windows-sys 0.48.0",
+ "windows-sys",
 ]
 
 [[package]]
@@ -644,7 +674,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a8a2db397cb1c8772f31494cb8917e48cd1e64f0fa7efac59fbd741a0a8ce841"
 dependencies = [
  "crc32fast",
- "miniz_oxide",
+ "miniz_oxide 0.6.2",
 ]
 
 [[package]]
@@ -785,6 +815,12 @@ dependencies = [
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "gimli"
+version = "0.28.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
+
 [[package]]
 name = "git2"
 version = "0.13.25"
@@ -934,7 +970,7 @@ dependencies = [
  "httpdate",
  "itoa",
  "pin-project-lite",
- "socket2",
+ "socket2 0.4.10",
  "tokio",
  "tower-service",
  "tracing",
@@ -1026,7 +1062,7 @@ checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
 dependencies = [
  "hermit-abi 0.3.1",
  "libc",
- "windows-sys 0.48.0",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1043,7 +1079,7 @@ checksum = "24fddda5af7e54bf7da53067d6e802dbcc381d0a8eef629df528e3ebf68755cb"
 dependencies = [
  "hermit-abi 0.3.1",
  "rustix 0.38.1",
- "windows-sys 0.48.0",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1213,16 +1249,24 @@ dependencies = [
  "adler",
 ]
 
+[[package]]
+name = "miniz_oxide"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d811f3e15f28568be3407c8e7fdb6514c1cda3cb30683f15b6a1a1dc4ea14a7"
+dependencies = [
+ "adler",
+]
+
 [[package]]
 name = "mio"
-version = "0.8.4"
+version = "0.8.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57ee1c23c7c63b0c9250c339ffdc69255f110b298b901b9f6c82547b7b87caaf"
+checksum = "a4a650543ca06a924e8b371db273b2756685faae30f8487da1b56505a8f78b0c"
 dependencies = [
  "libc",
- "log",
  "wasi 0.11.0+wasi-snapshot-preview1",
- "windows-sys 0.36.1",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1294,6 +1338,15 @@ dependencies = [
  "flate2",
 ]
 
+[[package]]
+name = "object"
+version = "0.32.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6a622008b6e321afc04970976f62ee297fdbaa6f95318ca343e3eebb9648441"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.18.0"
@@ -1546,7 +1599,7 @@ version = "0.11.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "046cd98826c46c2ac8ddecae268eb5c2e58628688a5fc7a2643704a73faba95b"
 dependencies = [
- "base64",
+ "base64 0.21.5",
  "bytes",
  "encoding_rs",
  "futures-core",
@@ -1587,7 +1640,7 @@ dependencies = [
  "adler32",
  "async-stream",
  "async-trait",
- "base64",
+ "base64 0.21.5",
  "bytes",
  "criterion",
  "futures-util",
@@ -1611,7 +1664,7 @@ dependencies = [
  "adler32",
  "async-stream",
  "backoff",
- "base64",
+ "base64 0.22.0",
  "bytes",
  "cargo-tarpaulin",
  "futures-util",
@@ -1652,7 +1705,7 @@ dependencies = [
  "io-lifetimes",
  "libc",
  "linux-raw-sys 0.3.8",
- "windows-sys 0.48.0",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1665,7 +1718,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys 0.4.3",
- "windows-sys 0.48.0",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1822,6 +1875,16 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b5fac59a5cb5dd637972e5fca70daf0523c9067fcdc4842f053dae04a18f8e9"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
 [[package]]
 name = "stable_deref_trait"
 version = "1.2.0"
@@ -1888,7 +1951,7 @@ dependencies = [
  "fastrand",
  "redox_syscall",
  "rustix 0.37.25",
- "windows-sys 0.48.0",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1975,31 +2038,30 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.19.2"
+version = "1.36.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c51a52ed6686dd62c320f9b89299e9dfb46f730c7a48e635c19f21d116cb1439"
+checksum = "61285f6515fa018fb2d1e46eb21223fff441ee8db5d0f1435e8ab4f5cdb80931"
 dependencies = [
+ "backtrace",
  "bytes",
  "libc",
- "memchr",
  "mio",
  "num_cpus",
- "once_cell",
  "pin-project-lite",
- "socket2",
+ "socket2 0.5.5",
  "tokio-macros",
- "winapi",
+ "windows-sys",
 ]
 
 [[package]]
 name = "tokio-macros"
-version = "1.7.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b557f72f448c511a979e2564e55d74e6c4432fc96ff4f6241bc6bded342643b7"
+checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 1.0.107",
+ "syn 2.0.48",
 ]
 
 [[package]]
@@ -2358,19 +2420,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
-[[package]]
-name = "windows-sys"
-version = "0.36.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
-dependencies = [
- "windows_aarch64_msvc 0.36.1",
- "windows_i686_gnu 0.36.1",
- "windows_i686_msvc 0.36.1",
- "windows_x86_64_gnu 0.36.1",
- "windows_x86_64_msvc 0.36.1",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
@@ -2387,12 +2436,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7b1eb6f0cd7c80c79759c929114ef071b87354ce476d9d94271031c0497adfd5"
 dependencies = [
  "windows_aarch64_gnullvm",
- "windows_aarch64_msvc 0.48.0",
- "windows_i686_gnu 0.48.0",
- "windows_i686_msvc 0.48.0",
- "windows_x86_64_gnu 0.48.0",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
  "windows_x86_64_gnullvm",
- "windows_x86_64_msvc 0.48.0",
+ "windows_x86_64_msvc",
 ]
 
 [[package]]
@@ -2401,48 +2450,24 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "91ae572e1b79dba883e0d315474df7305d12f569b400fcf90581b06062f7e1bc"
 
-[[package]]
-name = "windows_aarch64_msvc"
-version = "0.36.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
-
 [[package]]
 name = "windows_aarch64_msvc"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b2ef27e0d7bdfcfc7b868b317c1d32c641a6fe4629c171b8928c7b08d98d7cf3"
 
-[[package]]
-name = "windows_i686_gnu"
-version = "0.36.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
-
 [[package]]
 name = "windows_i686_gnu"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "622a1962a7db830d6fd0a69683c80a18fda201879f0f447f065a3b7467daa241"
 
-[[package]]
-name = "windows_i686_msvc"
-version = "0.36.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
-
 [[package]]
 name = "windows_i686_msvc"
 version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4542c6e364ce21bf45d69fdd2a8e455fa38d316158cfd43b3ac1c5b1b19f8e00"
 
-[[package]]
-name = "windows_x86_64_gnu"
-version = "0.36.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
-
 [[package]]
 name = "windows_x86_64_gnu"
 version = "0.48.0"
@@ -2455,12 +2480,6 @@ version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7896dbc1f41e08872e9d5e8f8baa8fdd2677f29468c4e156210174edc7f7b953"
 
-[[package]]
-name = "windows_x86_64_msvc"
-version = "0.36.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
-
 [[package]]
 name = "windows_x86_64_msvc"
 version = "0.48.0"
@@ -2474,5 +2493,5 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "524e57b2c537c0f9b1e69f1965311ec12182b4122e45035b1508cd24d2adadb1"
 dependencies = [
  "cfg-if",
- "windows-sys 0.48.0",
+ "windows-sys",
 ]
diff --git a/socketio/Cargo.toml b/socketio/Cargo.toml
index 6948520d..3b367a8a 100644
--- a/socketio/Cargo.toml
+++ b/socketio/Cargo.toml
@@ -12,7 +12,7 @@ license = "MIT"
 
 [dependencies]
 rust_engineio = { version = "0.4.3", path = "../engineio" }
-base64 = "0.21.5"
+base64 = "0.22.0"
 bytes = "1"
 backoff = "0.4"
 rand = "0.8.5"
@@ -21,7 +21,7 @@ serde_json = "1.0"
 thiserror = "1.0"
 native-tls = "0.2.11"
 url = "2.4.1"
-tokio = { version = "1.16.1", optional = true }
+tokio = { version = "1.36.0", optional = true }
 futures-util = { version = "0.3", default-features = false, features = ["sink"], optional = true }
 async-stream = { version = "0.3.5", optional = true }
 log = "0.4.20"
@@ -31,9 +31,9 @@ serde = "1.0.193"
 cargo-tarpaulin = "0.18.5"
 
 [dev-dependencies.tokio]
-version = "1.16.1"
+version = "1.36.0"
 # we need the `#[tokio::test]` macro
-features = ["macros"]
+features = ["macros", "rt-multi-thread"]  # for
 
 [features]
 default = []
diff --git a/socketio/src/asynchronous/mod.rs b/socketio/src/asynchronous/mod.rs
index f97e80ea..8db8870c 100644
--- a/socketio/src/asynchronous/mod.rs
+++ b/socketio/src/asynchronous/mod.rs
@@ -6,7 +6,6 @@ mod socket;
 pub use client::builder::ClientBuilder;
 pub use client::client::Client;
 
-
 #[doc = r#"
 A macro to wrap an async callback function to be used in the client.