diff --git a/memory-db/Cargo.toml b/memory-db/Cargo.toml
index 99b44901..30d27298 100644
--- a/memory-db/Cargo.toml
+++ b/memory-db/Cargo.toml
@@ -10,7 +10,7 @@ edition = "2018"
 [dependencies]
 parity-util-mem = { version = "0.9.0", default-features = false, features = ["hashbrown"] }
 hash-db = { path = "../hash-db", default-features = false, version = "0.15.2"}
-hashbrown = { version = "0.9.1", default-features = false, features = [ "ahash" ] }
+hashbrown = { version = "0.11.0", default-features = false, features = [ "ahash" ] }
 
 [dev-dependencies]
 keccak-hasher = { path = "../test-support/keccak-hasher", version = "0.15.2"}
diff --git a/trie-db/Cargo.toml b/trie-db/Cargo.toml
index 64d8803e..6bb3f9f7 100644
--- a/trie-db/Cargo.toml
+++ b/trie-db/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2018"
 log = "0.4"
 smallvec = "1.0.0"
 hash-db = { path = "../hash-db", default-features = false, version = "0.15.2"}
-hashbrown = { version = "0.9.1", default-features = false, features = ["ahash"] }
+hashbrown = { version = "0.11.0", default-features = false, features = ["ahash"] }
 rustc-hex = { version = "2.1.0", default-features = false, optional = true }
 
 [features]