diff --git a/Cargo.lock b/Cargo.lock
index 79f25ca..fb99ee2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -228,7 +228,16 @@ dependencies = [
  "block-padding",
  "byte-tools",
  "byteorder",
- "generic-array",
+ "generic-array 0.12.3",
+]
+
+[[package]]
+name = "block-buffer"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
+dependencies = [
+ "generic-array 0.14.3",
 ]
 
 [[package]]
@@ -351,8 +360,8 @@ dependencies = [
  "http",
  "log 0.4.8",
  "pretty_env_logger",
- "rusoto_core",
- "rusoto_credential",
+ "rusoto_core 0.44.0",
+ "rusoto_credential 0.44.0",
  "rusoto_dynamodb",
  "serde",
  "serde_json",
@@ -383,6 +392,21 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b3a71ab494c0b5b860bdc8407ae08978052417070c2ced38573a9157ad75b8ac"
 
+[[package]]
+name = "cpuid-bool"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8aebca1129a03dc6dc2b127edd729435bbc4a37e1d5f4d7513165089ceb02634"
+
+[[package]]
+name = "crc32fast"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.7.2"
@@ -400,8 +424,18 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4434400df11d95d556bac068ddfedd482915eb18fe8bea89bc80b6e4b1c179e5"
 dependencies = [
- "generic-array",
- "subtle",
+ "generic-array 0.12.3",
+ "subtle 1.0.0",
+]
+
+[[package]]
+name = "crypto-mac"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b584a330336237c1eecd3e94266efb216c56ed91225d634cb2991c5f3fd1aeab"
+dependencies = [
+ "generic-array 0.14.3",
+ "subtle 2.2.3",
 ]
 
 [[package]]
@@ -421,7 +455,16 @@ version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
 dependencies = [
- "generic-array",
+ "generic-array 0.12.3",
+]
+
+[[package]]
+name = "digest"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
+dependencies = [
+ "generic-array 0.14.3",
 ]
 
 [[package]]
@@ -657,6 +700,16 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "60fb4bb6bba52f78a471264d9a3b7d026cc0af47b22cd2cffbc0b787ca003e63"
+dependencies = [
+ "typenum",
+ "version_check 0.9.2",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.1.14"
@@ -739,8 +792,18 @@ version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5dcb5e64cda4c23119ab41ba960d1e170a774c8e4b9d9e6a9bc18aabf5e59695"
 dependencies = [
- "crypto-mac",
- "digest",
+ "crypto-mac 0.7.0",
+ "digest 0.8.1",
+]
+
+[[package]]
+name = "hmac"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "126888268dcc288495a26bf004b38c5fdbb31682f992c84ceb046a1f0fe38840"
+dependencies = [
+ "crypto-mac 0.8.0",
+ "digest 0.9.0",
 ]
 
 [[package]]
@@ -1163,6 +1226,12 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
+[[package]]
+name = "opaque-debug"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
+
 [[package]]
 name = "openssl"
 version = "0.10.29"
@@ -1626,7 +1695,36 @@ dependencies = [
  "base64 0.12.3",
  "bytes",
  "futures",
- "hmac",
+ "hmac 0.7.1",
+ "http",
+ "hyper",
+ "hyper-tls",
+ "lazy_static",
+ "log 0.4.8",
+ "md5 0.7.0",
+ "percent-encoding",
+ "pin-project",
+ "rusoto_credential 0.44.0",
+ "rusoto_signature 0.44.0",
+ "rustc_version",
+ "serde",
+ "serde_json",
+ "sha2 0.8.2",
+ "tokio",
+ "xml-rs",
+]
+
+[[package]]
+name = "rusoto_core"
+version = "0.45.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e977941ee0658df96fca7291ecc6fc9a754600b21ad84b959eb1dbbc9d5abcc7"
+dependencies = [
+ "async-trait",
+ "base64 0.12.3",
+ "bytes",
+ "crc32fast",
+ "futures",
  "http",
  "hyper",
  "hyper-tls",
@@ -1635,12 +1733,11 @@ dependencies = [
  "md5 0.7.0",
  "percent-encoding",
  "pin-project",
- "rusoto_credential",
- "rusoto_signature",
+ "rusoto_credential 0.45.0",
+ "rusoto_signature 0.45.0",
  "rustc_version",
  "serde",
  "serde_json",
- "sha2",
  "tokio",
  "xml-rs",
 ]
@@ -1665,16 +1762,36 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "rusoto_credential"
+version = "0.45.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ac05563f83489b19b4d413607a30821ab08bbd9007d14fa05618da3ef09d8b"
+dependencies = [
+ "async-trait",
+ "chrono",
+ "dirs",
+ "futures",
+ "hyper",
+ "pin-project",
+ "regex",
+ "serde",
+ "serde_json",
+ "shlex",
+ "tokio",
+ "zeroize",
+]
+
 [[package]]
 name = "rusoto_dynamodb"
-version = "0.44.0"
+version = "0.45.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a485bf81a63fd92a4e011b76daed2731b363a6f2b6279b8b26b389699bcf1525"
+checksum = "8a1473bb1c1dd54f61c5e150aec47bcbf4a992963dcc3c60e12be5af3245cefc"
 dependencies = [
  "async-trait",
  "bytes",
  "futures",
- "rusoto_core",
+ "rusoto_core 0.45.0",
  "serde",
  "serde_json",
 ]
@@ -1689,17 +1806,42 @@ dependencies = [
  "bytes",
  "futures",
  "hex 0.4.2",
- "hmac",
+ "hmac 0.7.1",
  "http",
  "hyper",
  "log 0.4.8",
  "md5 0.7.0",
  "percent-encoding",
  "pin-project",
- "rusoto_credential",
+ "rusoto_credential 0.44.0",
  "rustc_version",
  "serde",
- "sha2",
+ "sha2 0.8.2",
+ "time 0.2.16",
+ "tokio",
+]
+
+[[package]]
+name = "rusoto_signature"
+version = "0.45.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97a740a88dde8ded81b6f2cff9cd5e054a5a2e38a38397260f7acdd2c85d17dd"
+dependencies = [
+ "base64 0.12.3",
+ "bytes",
+ "futures",
+ "hex 0.4.2",
+ "hmac 0.8.1",
+ "http",
+ "hyper",
+ "log 0.4.8",
+ "md5 0.7.0",
+ "percent-encoding",
+ "pin-project",
+ "rusoto_credential 0.45.0",
+ "rustc_version",
+ "serde",
+ "sha2 0.9.1",
  "time 0.2.16",
  "tokio",
 ]
@@ -1853,10 +1995,10 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
 dependencies = [
- "block-buffer",
- "digest",
+ "block-buffer 0.7.3",
+ "digest 0.8.1",
  "fake-simd",
- "opaque-debug",
+ "opaque-debug 0.2.3",
 ]
 
 [[package]]
@@ -1871,10 +2013,23 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a256f46ea78a0c0d9ff00077504903ac881a1dafdc20da66545699e7776b3e69"
 dependencies = [
- "block-buffer",
- "digest",
+ "block-buffer 0.7.3",
+ "digest 0.8.1",
  "fake-simd",
- "opaque-debug",
+ "opaque-debug 0.2.3",
+]
+
+[[package]]
+name = "sha2"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2933378ddfeda7ea26f48c555bdad8bb446bf8a3d17832dc83e380d444cfb8c1"
+dependencies = [
+ "block-buffer 0.9.0",
+ "cfg-if",
+ "cpuid-bool",
+ "digest 0.9.0",
+ "opaque-debug 0.3.0",
 ]
 
 [[package]]
@@ -1993,6 +2148,12 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2d67a5a62ba6e01cb2192ff309324cb4875d0c451d55fe2319433abe7a05a8ee"
 
+[[package]]
+name = "subtle"
+version = "2.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "502d53007c02d7605a05df1c1a73ee436952781653da5d0bf57ad608f66932c1"
+
 [[package]]
 name = "syn"
 version = "1.0.33"
diff --git a/Cargo.toml b/Cargo.toml
index 4b56fe4..50a189e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ log = "0.4"
 pretty_env_logger = "0.4"
 http = "0.2"
 rusoto_core = "0.44.0"
-rusoto_dynamodb = "0.44.0"
+rusoto_dynamodb = "0.45.0"
 rusoto_credential = "0.44.0"
 dotenv = "0.15.0"
 base64 = "0.12.3"