diff --git a/Cargo.lock b/Cargo.lock
index ea09f106..e6bfa9cc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -47,9 +47,9 @@ checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
 [[package]]
 name = "attohttpc"
-version = "0.16.1"
+version = "0.16.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba5b30bf3a0aead269fd5dd69b385a3e90c2b55f4f215d1bdf52c3883f5fa7fa"
+checksum = "fdb8867f378f33f78a811a8eb9bf108ad99430d7aad43315dd9319c827ef6247"
 dependencies = [
  "http",
  "log",
diff --git a/Cargo.toml b/Cargo.toml
index 3fa661a7..8ae7205f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -70,7 +70,7 @@ shadow-rs = "0.5.24"
 process_control = { version = "3.0.1", features = ["crossbeam-channel"] }
 
 # Optional/http:
-attohttpc = { version = "0.16.1", optional = true, default-features = false, features = ["tls", "form"] }
+attohttpc = { version = "0.16.3", optional = true, default-features = false, features = ["tls", "form"] }
 native-tls = { version = "0.2.7", optional = true }
 shell-words = "1.0.0"