diff --git a/substrate/bin/node/rpc-client/Cargo.toml b/substrate/bin/node/rpc-client/Cargo.toml
index 26d9de133c..e88a180326 100644
--- a/substrate/bin/node/rpc-client/Cargo.toml
+++ b/substrate/bin/node/rpc-client/Cargo.toml
@@ -12,7 +12,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 futures = "0.1.29"
-hyper = "0.12.35"
+hyper = "~0.12.35"
 jsonrpc-core-client = { version = "15.1.0", default-features = false, features = ["http"] }
 log = "0.4.8"
 node-primitives = { version = "2.0.0", path = "../primitives" }
diff --git a/substrate/client/offchain/Cargo.toml b/substrate/client/offchain/Cargo.toml
index 5686d33da9..1a31d278eb 100644
--- a/substrate/client/offchain/Cargo.toml
+++ b/substrate/client/offchain/Cargo.toml
@@ -33,7 +33,7 @@ sc-network = { version = "0.8.0", path = "../network" }
 sc-keystore = { version = "2.0.0", path = "../keystore" }
 
 [target.'cfg(not(target_os = "unknown"))'.dependencies]
-hyper = "0.13.2"
+hyper = "0.13.9"
 hyper-rustls = "0.21.0"
 
 [dev-dependencies]
diff --git a/substrate/utils/prometheus/Cargo.toml b/substrate/utils/prometheus/Cargo.toml
index 9eed7a2fdc..335f84bf0f 100644
--- a/substrate/utils/prometheus/Cargo.toml
+++ b/substrate/utils/prometheus/Cargo.toml
@@ -20,5 +20,5 @@ derive_more = "0.99"
 
 [target.'cfg(not(target_os = "unknown"))'.dependencies]
 async-std = { version = "1.6.5", features = ["unstable"] }
-hyper = { version = "0.13.1", default-features = false, features = ["stream"] }
+hyper = { version = "0.13.9", default-features = false, features = ["stream"] }
 tokio = "0.2"