diff --git a/Cargo.lock b/Cargo.lock
index 6b95ddd9f26..5788314eaac 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1807,9 +1807,9 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "0.14.21"
+version = "0.14.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41a2df176f359a22aee9c8657e674f7aa54e9ba48b512a798e5ca36a1f51065c"
+checksum = "abfba89e19b959ca163c7752ba59d737c1ceea53a5d31a149c805446fc958064"
 dependencies = [
  "bytes",
  "futures-channel",
diff --git a/zebra-rpc/Cargo.toml b/zebra-rpc/Cargo.toml
index 7211dde7982..c5048c1ea6e 100644
--- a/zebra-rpc/Cargo.toml
+++ b/zebra-rpc/Cargo.toml
@@ -17,7 +17,7 @@ chrono = { version = "0.4.22", default-features = false, features = ["clock", "s
 futures = "0.3.25"
 
 # lightwalletd sends JSON-RPC requests over HTTP 1.1
-hyper = { version = "0.14.21", features = ["http1", "server"] }
+hyper = { version = "0.14.22", features = ["http1", "server"] }
 
 jsonrpc-core = "18.0.0"
 jsonrpc-derive = "18.0.0"
diff --git a/zebrad/Cargo.toml b/zebrad/Cargo.toml
index c0337636ab5..3782eb1009b 100644
--- a/zebrad/Cargo.toml
+++ b/zebrad/Cargo.toml
@@ -125,7 +125,7 @@ inferno = { version = "0.11.12", default-features = false, optional = true }
 tracing-journald = { version = "0.3.0", optional = true }
 
 # prod feature filter-reload
-hyper = { version = "0.14.21", features = ["http1", "http2", "server"], optional = true }
+hyper = { version = "0.14.22", features = ["http1", "http2", "server"], optional = true }
 
 # prod feature prometheus
 metrics-exporter-prometheus = { version = "0.11.0", default-features = false, features = ["http-listener"], optional = true }
@@ -160,7 +160,7 @@ semver = "1.0.14"
 serde_json = { version = "1.0.87", features = ["preserve_order"] }
 tempfile = "3.3.0"
 
-hyper = { version = "0.14.21", features = ["http1", "http2", "server"]}
+hyper = { version = "0.14.22", features = ["http1", "http2", "server"]}
 reqwest = "0.11.12"
 
 tokio = { version = "1.21.2", features = ["full", "tracing", "test-util"] }