diff --git a/Cargo.lock b/Cargo.lock
index 46e692b30b3..02417f128f6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2608,9 +2608,9 @@ dependencies = [
 
 [[package]]
 name = "headers"
-version = "0.3.7"
+version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4cff78e5788be1e0ab65b04d306b2ed5092c815ec97ec70f4ebd5aee158aa55d"
+checksum = "f3e372db8e5c0d213e0cd0b9be18be2aca3d44cf2fe30a9d46a65581cd454584"
 dependencies = [
  "base64 0.13.0",
  "bitflags",
@@ -2619,7 +2619,7 @@ dependencies = [
  "http",
  "httpdate",
  "mime",
- "sha-1 0.10.1",
+ "sha1",
 ]
 
 [[package]]
@@ -5673,17 +5673,6 @@ dependencies = [
  "opaque-debug",
 ]
 
-[[package]]
-name = "sha-1"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f5058ada175748e33390e40e872bd0fe59a19f265d0158daa551c5a88a76009c"
-dependencies = [
- "cfg-if 1.0.0",
- "cpufeatures",
- "digest 0.10.6",
-]
-
 [[package]]
 name = "sha1"
 version = "0.10.5"
@@ -7376,7 +7365,7 @@ dependencies = [
  "mio 0.6.22",
  "mio-extras",
  "rand 0.7.3",
- "sha-1 0.8.2",
+ "sha-1",
  "slab",
  "url",
 ]
diff --git a/servo-tidy.toml b/servo-tidy.toml
index ae743148d5d..da2ca334ac9 100644
--- a/servo-tidy.toml
+++ b/servo-tidy.toml
@@ -71,7 +71,6 @@ packages = [
   "block-buffer",
   "digest",
   "generic-array",
-  "sha-1",
 
   # Duplicated by winit/surfman update.
   "raw-window-handle",