diff --git a/Cargo.lock b/Cargo.lock
index 5e68a12b..50b7abd9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -733,7 +733,7 @@ dependencies = [
  "cfg-if",
  "libc",
  "redox_syscall",
- "windows-sys",
+ "windows-sys 0.36.1",
 ]
 
 [[package]]
@@ -1346,7 +1346,7 @@ dependencies = [
  "libc",
  "log",
  "wasi 0.11.0+wasi-snapshot-preview1",
- "windows-sys",
+ "windows-sys 0.36.1",
 ]
 
 [[package]]
@@ -1515,7 +1515,7 @@ dependencies = [
  "libc",
  "redox_syscall",
  "smallvec",
- "windows-sys",
+ "windows-sys 0.36.1",
 ]
 
 [[package]]
@@ -2042,7 +2042,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "88d6731146462ea25d9244b2ed5fd1d716d25c52e4d54aa4fb0f3c4e9854dbe2"
 dependencies = [
  "lazy_static",
- "windows-sys",
+ "windows-sys 0.36.1",
 ]
 
 [[package]]
@@ -2410,9 +2410,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.21.0"
+version = "1.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89797afd69d206ccd11fb0ea560a44bbb87731d020670e79416d442919257d42"
+checksum = "eab6d665857cc6ca78d6e80303a02cea7a7851e85dfbd77cbdc09bd129f1ef46"
 dependencies = [
  "autocfg",
  "bytes",
@@ -2420,13 +2420,12 @@ dependencies = [
  "memchr",
  "mio",
  "num_cpus",
- "once_cell",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",
  "tokio-macros",
- "winapi",
+ "windows-sys 0.42.0",
 ]
 
 [[package]]
@@ -2857,43 +2856,100 @@ version = "0.36.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
 dependencies = [
- "windows_aarch64_msvc",
- "windows_i686_gnu",
- "windows_i686_msvc",
- "windows_x86_64_gnu",
- "windows_x86_64_msvc",
+ "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 = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc 0.42.0",
+ "windows_i686_gnu 0.42.0",
+ "windows_i686_msvc 0.42.0",
+ "windows_x86_64_gnu 0.42.0",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc 0.42.0",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e"
+
 [[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 = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4"
+
 [[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 = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7"
+
 [[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 = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246"
+
 [[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 = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf7b1b21b5362cbc318f686150e5bcea75ecedc74dd157d874d754a2ca44b0ed"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"
+
 [[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 = "0.42.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
+
 [[package]]
 name = "winreg"
 version = "0.10.1"
diff --git a/README.md b/README.md
index 2719e0de..afaea2ea 100644
--- a/README.md
+++ b/README.md
@@ -80,6 +80,7 @@ CREDENTIAL_PROVIDER=profile esthri s3 sync s3://esthri-test/myfiles/ mynewdirect
 `ESTHRI_CREDENTIAL_PROVIDER=profile` ---> fetched from default credential file
 `ESTHRI_CREDENTIAL_PROVIDER=container` ---> fetched from task's IAM role in ECS
 `ESTHRI_CREDENTIAL_PROVIDER=instance_metadata` ---> fetched from instance metadata service
+`ESTHRI_CREDENTIAL_PROVIDER=k8s` ---> fetched from kubernetes auth service
 `ESTHRI_CREDENTIAL_PROVIDER=` ---> explicitly using default credential provider if empty
 
 If not set the program will fall back to default credential provider in which the
diff --git a/crates/esthri-cli/Cargo.toml b/crates/esthri-cli/Cargo.toml
index 61249675..ef979500 100644
--- a/crates/esthri-cli/Cargo.toml
+++ b/crates/esthri-cli/Cargo.toml
@@ -46,7 +46,7 @@ once_cell = "1.7"
 sanitize-filename = "0.4"
 serde = "1"
 clap = { version = "3.2.22", features = ["derive", "env"] }
-tokio = { version = "1.6", features = ["rt-multi-thread", "signal", "sync"] }
+tokio = { version = "1.23.0", features = ["rt-multi-thread", "signal", "sync"] }
 tokio-util = { version = "0.7.4", features = ["compat", "codec"] }
 warp = "0.3"
 
diff --git a/crates/esthri/Cargo.toml b/crates/esthri/Cargo.toml
index e78af443..fa063901 100644
--- a/crates/esthri/Cargo.toml
+++ b/crates/esthri/Cargo.toml
@@ -37,10 +37,10 @@ regex = "1"
 serde = { version = "1", features = ["derive"] }
 tempfile = "3"
 thiserror = "1"
-tokio = { version = "1", features = ["fs", "io-util", "sync", "parking_lot"] }
+tokio = { version = "1.23.0", features = ["fs", "io-util", "sync", "parking_lot"] }
 tokio-retry = "0.3"
-tokio-stream = "0.1"
-tokio-util = { version = "0.7", features = ["io"] }
+tokio-stream = "0.1.11"
+tokio-util = { version = "0.7.4", features = ["io"] }
 walkdir = "2"
 strum = "0.24.1"
 strum_macros = "0.24.3"