diff --git a/Cargo.lock b/Cargo.lock
index 2fd7957c1..cd76a015f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -158,7 +158,7 @@ dependencies = [
  "num-integer",
  "num-traits",
  "serde",
- "time",
+ "time 0.1.43",
  "winapi",
 ]
 
@@ -900,6 +900,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "num_threads"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aba1801fb138d8e85e11d0fc70baf4fe1cdfffda7c6cd34a854905df588e5ed0"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "object"
 version = "0.27.1"
@@ -1514,13 +1523,13 @@ dependencies = [
 
 [[package]]
 name = "simplelog"
-version = "0.11.2"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1348164456f72ca0116e4538bdaabb0ddb622c7d9f16387c725af3e96d6001c"
+checksum = "48dfff04aade74dd495b007c831cd6f4e0cee19c344dd9dc0884c0289b70a786"
 dependencies = [
- "chrono",
  "log",
  "termcolor",
+ "time 0.3.9",
 ]
 
 [[package]]
@@ -1663,6 +1672,24 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2702e08a7a860f005826c6815dcac101b19b5eb330c27fe4a5928fec1d20ddd"
+dependencies = [
+ "itoa 1.0.1",
+ "libc",
+ "num_threads",
+ "time-macros",
+]
+
+[[package]]
+name = "time-macros"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42657b1a6f4d817cda8e7a0ace261fe0cc946cf3a80314390b22cc61ae080792"
+
 [[package]]
 name = "tinyvec"
 version = "1.5.1"
diff --git a/tuftool/Cargo.toml b/tuftool/Cargo.toml
index aef672bed..25aa81d4c 100644
--- a/tuftool/Cargo.toml
+++ b/tuftool/Cargo.toml
@@ -31,7 +31,7 @@ rusoto_ssm = { version = "0.47", optional = true, default-features = false }
 rusoto_kms = { version = "0.47", optional = true, default-features = false }
 serde = "1.0.125"
 serde_json = "1.0.63"
-simplelog = "0.11"
+simplelog = "0.12"
 snafu = { version = "0.7", features = ["backtraces-impl-backtrace-crate"] }
 structopt = "0.3"
 tempfile = "3.3.0"