diff --git a/Cargo.lock b/Cargo.lock
index e0634f6..83d85dc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,12 +2,6 @@
 # It is not intended for manual editing.
 version = 3
 
-[[package]]
-name = "adler"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
-
 [[package]]
 name = "async-stream"
 version = "0.3.2"
@@ -53,12 +47,6 @@ version = "3.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c59e7af012c713f529e7a3ee57ce9b31ddd858d4b512923602f74608b009631"
 
-[[package]]
-name = "byteorder"
-version = "1.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
-
 [[package]]
 name = "bytes"
 version = "1.0.1"
@@ -94,101 +82,98 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea221b5284a47e40033bf9b66f35f984ec0ea2931eb03505246cd27a963f981b"
 
 [[package]]
-name = "crc32fast"
-version = "1.3.2"
+name = "fnv"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
-dependencies = [
- "cfg-if",
-]
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
 [[package]]
-name = "crossbeam-channel"
-version = "0.5.4"
+name = "futures"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aaa7bd5fb665c6864b5f963dd9097905c54125909c7aa94c9e18507cdbe6c53"
+checksum = "38390104763dc37a5145a53c29c63c1290b5d316d6086ec32c293f6736051bb0"
 dependencies = [
- "cfg-if",
- "crossbeam-utils",
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
 ]
 
 [[package]]
-name = "crossbeam-utils"
-version = "0.8.8"
+name = "futures-channel"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0bf124c720b7686e3c2663cf54062ab0f68a88af2fb6a030e87e30bf721fcb38"
+checksum = "52ba265a92256105f45b719605a571ffe2d1f0fea3807304b522c1d778f79eed"
 dependencies = [
- "cfg-if",
- "lazy_static",
+ "futures-core",
+ "futures-sink",
 ]
 
 [[package]]
-name = "flate2"
-version = "1.0.23"
+name = "futures-core"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b39522e96686d38f4bc984b9198e3a0613264abaebaff2c5c918bfa6b6da09af"
+checksum = "04909a7a7e4633ae6c4a9ab280aeb86da1236243a77b694a49eacd659a4bd3ac"
+
+[[package]]
+name = "futures-executor"
+version = "0.3.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7acc85df6714c176ab5edf386123fafe217be88c0840ec11f199441134a074e2"
 dependencies = [
- "cfg-if",
- "crc32fast",
- "libc",
- "miniz_oxide",
+ "futures-core",
+ "futures-task",
+ "futures-util",
 ]
 
 [[package]]
-name = "fnv"
-version = "1.0.7"
+name = "futures-io"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+checksum = "00f5fb52a06bdcadeb54e8d3671f8888a39697dcb0b81b23b55174030427f4eb"
 
 [[package]]
-name = "futures-channel"
-version = "0.3.16"
+name = "futures-macro"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74ed2411805f6e4e3d9bc904c95d5d423b89b3b25dc0250aa74729de20629ff9"
+checksum = "bdfb8ce053d86b91919aad980c220b1fb8401a9394410e1c289ed7e66b61835d"
 dependencies = [
- "futures-core",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
-[[package]]
-name = "futures-core"
-version = "0.3.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af51b1b4a7fdff033703db39de8802c673eb91855f2e0d47dcf3bf2c0ef01f99"
-
 [[package]]
 name = "futures-sink"
-version = "0.3.16"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0f30aaa67363d119812743aa5f33c201a7a66329f97d1a887022971feea4b53"
+checksum = "39c15cf1a4aa79df40f1bb462fb39676d0ad9e366c2a33b590d7c66f4f81fcf9"
 
 [[package]]
 name = "futures-task"
-version = "0.3.16"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbe54a98670017f3be909561f6ad13e810d9a51f3f061b902062ca3da80799f2"
+checksum = "2ffb393ac5d9a6eaa9d3fdf37ae2776656b706e200c8e16b1bdb227f5198e6ea"
 
 [[package]]
 name = "futures-util"
-version = "0.3.16"
+version = "0.3.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67eb846bfd58e44a8481a00049e82c43e0ccb5d61f8dc071057cb19249dd4d78"
+checksum = "197676987abd2f9cadff84926f410af1c183608d36641465df73ae8211dc65d6"
 dependencies = [
- "autocfg",
+ "futures-channel",
  "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
  "futures-task",
+ "memchr",
  "pin-project-lite",
  "pin-utils",
-]
-
-[[package]]
-name = "getrandom"
-version = "0.2.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9be70c98951c83b8d2f8f60d7065fa6d5146873094452a1008da8c2f1e4205ad"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi",
+ "slab",
 ]
 
 [[package]]
@@ -216,20 +201,6 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
 
-[[package]]
-name = "hdrhistogram"
-version = "7.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31672b7011be2c4f7456c4ddbcb40e7e9a4a9fad8efe49a6ebaf5f307d0109c0"
-dependencies = [
- "base64",
- "byteorder",
- "crossbeam-channel",
- "flate2",
- "nom",
- "num-traits",
-]
-
 [[package]]
 name = "hermit-abi"
 version = "0.1.19"
@@ -345,12 +316,13 @@ dependencies = [
 
 [[package]]
 name = "lambda_runtime"
-version = "0.5.1"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c73464e59463e91bf179195a308738477df90240173649d5dd2a1f3a2e4a2d2"
+checksum = "2c7d15b949b5ecc044bfe512a959df09b055a599229357519e4a01d06d94399f"
 dependencies = [
  "async-stream",
  "bytes",
+ "futures",
  "http",
  "hyper",
  "lambda_runtime_api_client",
@@ -364,9 +336,9 @@ dependencies = [
 
 [[package]]
 name = "lambda_runtime_api_client"
-version = "0.5.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e921024b5eb4e2f0800a5d6e25c7ed554562aa62f02cf5f60a48c26c8a678974"
+checksum = "7210012be904051520f0dc502140ba599bae3042b65b3737b87727f1aa88a7d6"
 dependencies = [
  "http",
  "hyper",
@@ -401,21 +373,6 @@ version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc"
 
-[[package]]
-name = "minimal-lexical"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
-
-[[package]]
-name = "miniz_oxide"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2b29bd4bc3f33391105ebee3589c19197c4271e3e5a9ec9bfe8127eeff8f082"
-dependencies = [
- "adler",
-]
-
 [[package]]
 name = "mio"
 version = "0.7.13"
@@ -438,16 +395,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "nom"
-version = "7.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8903e5a29a317527874d0402f867152a3d21c908bb0b933e416c65e301d4c36"
-dependencies = [
- "memchr",
- "minimal-lexical",
-]
-
 [[package]]
 name = "ntapi"
 version = "0.3.6"
@@ -457,15 +404,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "num-traits"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "num_cpus"
 version = "1.13.0"
@@ -520,12 +458,6 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
-[[package]]
-name = "ppv-lite86"
-version = "0.2.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.37"
@@ -544,36 +476,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rand"
-version = "0.8.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
-dependencies = [
- "libc",
- "rand_chacha",
- "rand_core",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
-dependencies = [
- "ppv-lite86",
- "rand_core",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.6.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
-dependencies = [
- "getrandom",
-]
-
 [[package]]
 name = "ring"
 version = "0.16.20"
@@ -819,14 +721,8 @@ checksum = "9a89fd63ad6adf737582df5db40d286574513c69a11dac5214dc3b5603d6713e"
 dependencies = [
  "futures-core",
  "futures-util",
- "hdrhistogram",
- "indexmap",
  "pin-project",
  "pin-project-lite",
- "rand",
- "slab",
- "tokio",
- "tokio-util",
  "tower-layer",
  "tower-service",
  "tracing",
@@ -905,12 +801,6 @@ dependencies = [
  "try-lock",
 ]
 
-[[package]]
-name = "wasi"
-version = "0.10.2+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
-
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.75"
diff --git a/sns-discord/Cargo.toml b/sns-discord/Cargo.toml
index d9ba77f..250cdd2 100644
--- a/sns-discord/Cargo.toml
+++ b/sns-discord/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-lambda_runtime = "0.5.1"
+lambda_runtime = "0.7.1"
 tokio = "1.16.1"
 hyper = { version = "0.14.20", features = ["client", "http2", "http1"] }
 hyper-rustls = "0.23.0"