diff --git a/Cargo.lock b/Cargo.lock
index 5fda3142d..4400063bc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1526,9 +1526,9 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.9.1"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
+checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
 
 [[package]]
 name = "hdrhistogram"
@@ -1734,9 +1734,9 @@ checksum = "e0bd112d44d9d870a6819eb505d04dd92b5e4d94bb8c304924a0872ae7016fb5"
 
 [[package]]
 name = "indexmap"
-version = "1.6.2"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "824845a0bf897a9042383849b02c1bc219c2383772efcd5c6f9766fa4b81aef3"
+checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
 dependencies = [
  "autocfg",
  "hashbrown",
diff --git a/zebra-network/Cargo.toml b/zebra-network/Cargo.toml
index 1c6ae4068..c7e0a0365 100644
--- a/zebra-network/Cargo.toml
+++ b/zebra-network/Cargo.toml
@@ -15,7 +15,7 @@ chrono = "0.4"
 hex = "0.4"
 # indexmap has rayon support for parallel iteration,
 # which we don't use, so disable it to drop the dependencies.
-indexmap = { version = "1.6", default-features = false }
+indexmap = { version = "1.7", default-features = false }
 lazy_static = "1.4.0"
 pin-project = "1.0.7"
 rand = "0.8"