diff --git a/Cargo.lock b/Cargo.lock
index a8509cc54..c73a49887 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1859,9 +1859,9 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "0.14.17"
+version = "0.14.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "043f0e083e9901b6cc658a77d1eb86f4fc650bbb977a4337dd63192826aa85dd"
+checksum = "b26ae0a80afebe130861d90abf98e3814a4f28a4c6ffeb5ab8ebb2be311e0ef2"
 dependencies = [
  "bytes",
  "futures-channel",
diff --git a/zebra-rpc/Cargo.toml b/zebra-rpc/Cargo.toml
index 586ab0045..22fbf11d6 100644
--- a/zebra-rpc/Cargo.toml
+++ b/zebra-rpc/Cargo.toml
@@ -17,7 +17,7 @@ chrono = "0.4.19"
 futures = "0.3.21"
 
 # lightwalletd sends JSON-RPC requests over HTTP 1.1
-hyper = { version = "0.14.17", features = ["http1", "server"] }
+hyper = { version = "0.14.18", features = ["http1", "server"] }
 
 jsonrpc-core = "18.0.0"
 jsonrpc-derive = "18.0.0"
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index 8d83cba2d..1fb091ea8 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -25,7 +25,7 @@ lazy_static = "1.4.0"
 serde = { version = "1.0.136", features = ["serde_derive"] }
 toml = "0.5.8"
 
-hyper = { version = "0.14.17", features = ["full"] }
+hyper = { version = "0.14.18", features = ["full"] }
 futures = "0.3.21"
 tokio = { version = "1.17.0", features = ["time", "rt-multi-thread", "macros", "tracing", "signal"] }
 tower = { version = "0.4.12", features = ["hedge", "limit"] }