diff --git a/Cargo.lock b/Cargo.lock
index d6e0403fa..97b467eed 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2075,13 +2075,12 @@ checksum = "ae524f056d7d770e174287294f562e95044c68e88dec909a00d2094805db9d75"
 
 [[package]]
 name = "socket2"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c29947abdee2a218277abeca306f25789c938e500ea5a9d4b12a5a504466902"
+checksum = "97e0e9fd577458a4f61fb91fcb559ea2afecc54c934119421f9f5d3d5b1a1057"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "redox_syscall",
  "winapi 0.3.9",
 ]
 
@@ -2105,9 +2104,9 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "subtle"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "343f3f510c2915908f155e94f17220b19ccfacf2a64a2a5d8004f2c3e311e7fd"
+checksum = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2"
 
 [[package]]
 name = "syn"
diff --git a/cargo/crates.bzl b/cargo/crates.bzl
index 403e1fa39..c320585d8 100644
--- a/cargo/crates.bzl
+++ b/cargo/crates.bzl
@@ -2103,12 +2103,12 @@ def raze_fetch_remote_crates():
 
     maybe(
         http_archive,
-        name = "raze__socket2__0_3_17",
-        url = "https://crates.io/api/v1/crates/socket2/0.3.17/download",
+        name = "raze__socket2__0_3_18",
+        url = "https://crates.io/api/v1/crates/socket2/0.3.18/download",
         type = "tar.gz",
-        sha256 = "2c29947abdee2a218277abeca306f25789c938e500ea5a9d4b12a5a504466902",
-        strip_prefix = "socket2-0.3.17",
-        build_file = Label("//cargo/remote:BUILD.socket2-0.3.17.bazel"),
+        sha256 = "97e0e9fd577458a4f61fb91fcb559ea2afecc54c934119421f9f5d3d5b1a1057",
+        strip_prefix = "socket2-0.3.18",
+        build_file = Label("//cargo/remote:BUILD.socket2-0.3.18.bazel"),
     )
 
     maybe(
@@ -2143,12 +2143,12 @@ def raze_fetch_remote_crates():
 
     maybe(
         http_archive,
-        name = "raze__subtle__2_3_0",
-        url = "https://crates.io/api/v1/crates/subtle/2.3.0/download",
+        name = "raze__subtle__2_4_0",
+        url = "https://crates.io/api/v1/crates/subtle/2.4.0/download",
         type = "tar.gz",
-        sha256 = "343f3f510c2915908f155e94f17220b19ccfacf2a64a2a5d8004f2c3e311e7fd",
-        strip_prefix = "subtle-2.3.0",
-        build_file = Label("//cargo/remote:BUILD.subtle-2.3.0.bazel"),
+        sha256 = "1e81da0851ada1f3e9d4312c704aa4f8806f0f9d69faaf8df2f3464b4a9437c2",
+        strip_prefix = "subtle-2.4.0",
+        build_file = Label("//cargo/remote:BUILD.subtle-2.4.0.bazel"),
     )
 
     maybe(
diff --git a/cargo/licenses.json b/cargo/licenses.json
index 17219cd5e..f41752321 100644
--- a/cargo/licenses.json
+++ b/cargo/licenses.json
@@ -1909,7 +1909,7 @@
   },
   {
     "name": "socket2",
-    "version": "0.3.17",
+    "version": "0.3.18",
     "authors": "Alex Crichton <alex@alexcrichton.com>",
     "repository": "https://github.com/alexcrichton/socket2-rs",
     "license": "Apache-2.0 OR MIT",
@@ -1945,7 +1945,7 @@
   },
   {
     "name": "subtle",
-    "version": "2.3.0",
+    "version": "2.4.0",
     "authors": "Isis Lovecruft <isis@patternsinthevoid.net>|Henry de Valence <hdevalence@hdevalence.ca>",
     "repository": "https://github.com/dalek-cryptography/subtle",
     "license": "BSD-3-Clause",
diff --git a/cargo/remote/BUILD.crypto-mac-0.8.0.bazel b/cargo/remote/BUILD.crypto-mac-0.8.0.bazel
index d0cdd2a6c..fec6da6d0 100644
--- a/cargo/remote/BUILD.crypto-mac-0.8.0.bazel
+++ b/cargo/remote/BUILD.crypto-mac-0.8.0.bazel
@@ -50,6 +50,6 @@ rust_library(
     # buildifier: leave-alone
     deps = [
         "@raze__generic_array__0_14_4//:generic_array",
-        "@raze__subtle__2_3_0//:subtle",
+        "@raze__subtle__2_4_0//:subtle",
     ],
 )
diff --git a/cargo/remote/BUILD.hyper-0.13.9.bazel b/cargo/remote/BUILD.hyper-0.13.9.bazel
index a2434d837..97e8ccacb 100644
--- a/cargo/remote/BUILD.hyper-0.13.9.bazel
+++ b/cargo/remote/BUILD.hyper-0.13.9.bazel
@@ -106,7 +106,7 @@ rust_library(
         "@raze__httpdate__0_3_2//:httpdate",
         "@raze__itoa__0_4_6//:itoa",
         "@raze__pin_project__1_0_2//:pin_project",
-        "@raze__socket2__0_3_17//:socket2",
+        "@raze__socket2__0_3_18//:socket2",
         "@raze__tokio__0_2_24//:tokio",
         "@raze__tower_service__0_3_0//:tower_service",
         "@raze__tracing__0_1_22//:tracing",
diff --git a/cargo/remote/BUILD.socket2-0.3.17.bazel b/cargo/remote/BUILD.socket2-0.3.18.bazel
similarity index 96%
rename from cargo/remote/BUILD.socket2-0.3.17.bazel
rename to cargo/remote/BUILD.socket2-0.3.18.bazel
index 9b447ab0e..a260a6c5f 100644
--- a/cargo/remote/BUILD.socket2-0.3.17.bazel
+++ b/cargo/remote/BUILD.socket2-0.3.18.bazel
@@ -48,11 +48,11 @@ rust_library(
         "cargo-raze",
         "manual",
     ],
-    version = "0.3.17",
+    version = "0.3.18",
     # buildifier: leave-alone
     deps = [
     ] + selects.with_or({
-        # cfg(any(unix, target_os = "redox"))
+        # cfg(unix)
         (
             "@io_bazel_rules_rust//rust/platform:aarch64-apple-ios",
             "@io_bazel_rules_rust//rust/platform:x86_64-apple-darwin",
diff --git a/cargo/remote/BUILD.subtle-2.3.0.bazel b/cargo/remote/BUILD.subtle-2.4.0.bazel
similarity index 97%
rename from cargo/remote/BUILD.subtle-2.3.0.bazel
rename to cargo/remote/BUILD.subtle-2.4.0.bazel
index bf6868097..ce2592959 100644
--- a/cargo/remote/BUILD.subtle-2.3.0.bazel
+++ b/cargo/remote/BUILD.subtle-2.4.0.bazel
@@ -46,7 +46,7 @@ rust_library(
         "cargo-raze",
         "manual",
     ],
-    version = "2.3.0",
+    version = "2.4.0",
     # buildifier: leave-alone
     deps = [
     ],