diff --git a/Cargo.lock b/Cargo.lock
index 661f73a750d..d975c78c4c7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1914,7 +1914,7 @@ dependencies = [
  "humantime",
  "hyper 1.6.0",
  "hyper-util",
- "itertools 0.13.0",
+ "itertools 0.14.0",
  "lazy_static",
  "lru_time_cache",
  "maplit",
@@ -1983,7 +1983,7 @@ dependencies = [
  "graph-runtime-derive",
  "graph-runtime-wasm",
  "hex",
- "itertools 0.13.0",
+ "itertools 0.14.0",
  "jsonrpc-core",
  "prost",
  "prost-types",
@@ -2086,7 +2086,7 @@ dependencies = [
  "graph-store-postgres",
  "graphman",
  "graphman-server",
- "itertools 0.13.0",
+ "itertools 0.14.0",
  "json-structural-diff",
  "lazy_static",
  "prometheus",
@@ -2200,7 +2200,7 @@ dependencies = [
  "graphman-store",
  "graphql-parser",
  "hex",
- "itertools 0.13.0",
+ "itertools 0.14.0",
  "lazy_static",
  "lru_time_cache",
  "maybe-owned",
@@ -2258,7 +2258,7 @@ dependencies = [
  "graph",
  "graph-store-postgres",
  "graphman-store",
- "itertools 0.13.0",
+ "itertools 0.14.0",
  "thiserror 2.0.12",
  "tokio",
 ]
@@ -2979,15 +2979,6 @@ dependencies = [
  "either",
 ]
 
-[[package]]
-name = "itertools"
-version = "0.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itertools"
 version = "0.14.0"
diff --git a/Cargo.toml b/Cargo.toml
index 9953b433fe9..2731887763e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -64,7 +64,7 @@ graph-store-postgres = { path = "./store/postgres" }
 graphman-server = { path = "./server/graphman" }
 graphman = { path = "./core/graphman" }
 graphman-store = { path = "./core/graphman_store" }
-itertools = "0.13.0"
+itertools = "0.14.0"
 lazy_static = "1.5.0"
 prost = "0.13"
 prost-types = "0.13"
diff --git a/chain/ethereum/Cargo.toml b/chain/ethereum/Cargo.toml
index a4c417a6191..04cd034e184 100644
--- a/chain/ethereum/Cargo.toml
+++ b/chain/ethereum/Cargo.toml
@@ -16,7 +16,7 @@ hex = "0.4.3"
 semver = "1.0.23"
 thiserror = { workspace = true }
 
-itertools = "0.13.0"
+itertools = "0.14.0"
 
 graph-runtime-wasm = { path = "../../runtime/wasm" }
 graph-runtime-derive = { path = "../../runtime/derive" }
diff --git a/graph/Cargo.toml b/graph/Cargo.toml
index 496c36dd62e..3703f03709d 100644
--- a/graph/Cargo.toml
+++ b/graph/Cargo.toml
@@ -90,7 +90,7 @@ futures03 = { version = "0.3.31", package = "futures", features = ["compat"] }
 wasmparser = "0.118.1"
 thiserror = "2.0.12"
 parking_lot = "0.12.3"
-itertools = "0.13.0"
+itertools = "0.14.0"
 defer = "0.2"
 
 # Our fork contains patches to make some fields optional for Celo and Fantom compatibility.
diff --git a/store/postgres/Cargo.toml b/store/postgres/Cargo.toml
index 027a46414d9..977354edef0 100644
--- a/store/postgres/Cargo.toml
+++ b/store/postgres/Cargo.toml
@@ -29,7 +29,7 @@ serde_json = { workspace = true }
 stable-hash_legacy = { git = "https://github.com/graphprotocol/stable-hash", branch = "old", package = "stable-hash" }
 anyhow = "1.0.98"
 git-testament = "0.2.6"
-itertools = "0.13.0"
+itertools = "0.14.0"
 hex = "0.4.3"
 pretty_assertions = "1.4.1"