diff --git a/oak_loader/Cargo.lock b/oak_loader/Cargo.lock
index 11012b02151..c570e7b1bef 100644
--- a/oak_loader/Cargo.lock
+++ b/oak_loader/Cargo.lock
@@ -274,12 +274,6 @@ version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
 
-[[package]]
-name = "bytes"
-version = "0.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0dcbc35f504eb6fc275a6d20e4ebcda18cf50d40ba6fabff8c711fa16cb3b16"
-
 [[package]]
 name = "bytes"
 version = "1.0.1"
@@ -503,15 +497,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "ct-logs"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c8e13110a84b6315df212c045be706af261fd364791cad863285439ebba672e"
-dependencies = [
- "sct",
-]
-
 [[package]]
 name = "ct-logs"
 version = "0.8.0"
@@ -1083,7 +1068,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "37743cc83e8ee85eacfce90f2f4102030d9ff0a95244098d781e9bee4a90abb6"
 dependencies = [
  "bytes 0.5.6",
- "ct-logs 0.7.0",
  "futures-util",
  "hyper 0.13.9",
  "log",
@@ -1091,7 +1075,6 @@ dependencies = [
  "tokio 0.2.23",
  "tokio-rustls 0.14.1",
  "webpki",
- "webpki-roots",
 ]
 
 [[package]]
@@ -1100,7 +1083,7 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5f9f7a97316d44c0af9b0301e65010573a853a9fc97046d7331d7f6bc0fd5a64"
 dependencies = [
- "ct-logs 0.8.0",
+ "ct-logs",
  "futures-util",
  "hyper 0.14.4",
  "log",
@@ -1109,6 +1092,7 @@ dependencies = [
  "tokio 1.2.0",
  "tokio-rustls 0.22.0",
  "webpki",
+ "webpki-roots 0.21.0",
 ]
 
 [[package]]
@@ -1512,7 +1496,7 @@ dependencies = [
  "oak_sign",
  "openssl",
  "prost",
- "rustls 0.18.1",
+ "rustls 0.19.0",
  "serde",
  "signal-hook",
  "structopt",
@@ -1547,14 +1531,14 @@ dependencies = [
  "anyhow",
  "base64 0.13.0",
  "byteorder",
- "bytes 0.6.0",
+ "bytes 1.0.1",
  "chrono",
  "futures-core",
  "futures-util",
  "hex",
  "http",
- "hyper 0.13.9",
- "hyper-rustls 0.21.0",
+ "hyper 0.14.4",
+ "hyper-rustls 0.22.1",
  "itertools",
  "jsonwebtoken",
  "lazy_static",
@@ -1573,7 +1557,7 @@ dependencies = [
  "regex",
  "reqwest",
  "roughenough",
- "rustls 0.18.1",
+ "rustls 0.19.0",
  "serde",
  "serde_json",
  "sha2",
@@ -1587,7 +1571,7 @@ dependencies = [
  "tink-proto",
  "tink-signature",
  "tokio 0.2.23",
- "tokio-rustls 0.14.1",
+ "tokio-rustls 0.22.0",
  "tonic",
  "wasmi",
 ]
@@ -2124,7 +2108,7 @@ dependencies = [
  "wasm-bindgen-futures",
  "wasm-bindgen-test",
  "web-sys",
- "webpki-roots",
+ "webpki-roots 0.20.0",
  "winreg",
 ]
 
@@ -2628,9 +2612,9 @@ checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
 
 [[package]]
 name = "syn"
-version = "1.0.51"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b4f34193997d92804d359ed09953e25d5138df6bcc055a71bf68ee89fdf9223"
+checksum = "3fd9d1e9976102a03c542daa2eff1b43f9d72306342f3f8b3ed5fb8908195d6f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3582,6 +3566,15 @@ dependencies = [
  "webpki",
 ]
 
+[[package]]
+name = "webpki-roots"
+version = "0.21.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82015b7e0b8bad8185994674a13a93306bea76cf5a16c5a181382fd3a5ec2376"
+dependencies = [
+ "webpki",
+]
+
 [[package]]
 name = "which"
 version = "3.1.1"