diff --git a/Cargo.lock b/Cargo.lock
index 37e8cdd..197e00f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -248,7 +248,7 @@ version = "0.4.2"
 dependencies = [
  "codegenrs",
  "dictgen",
- "itertools 0.12.0",
+ "itertools 0.13.0",
  "snapbox",
  "typos",
  "unicase",
@@ -706,9 +706,9 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.12.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25db6b064527c5d482d0423354fcd07a89a2dfe07b67892e62411946db7f07b0"
+checksum = "413ee7dfc52ee1a4949ceeb7dbc8a33f2d6c088194d9f922fb8318faf1f01186"
 dependencies = [
  "either",
 ]
@@ -783,7 +783,7 @@ version = "0.4.0"
 dependencies = [
  "codegenrs",
  "dictgen",
- "itertools 0.12.0",
+ "itertools 0.13.0",
  "regex",
  "snapbox",
  "unicase",
@@ -1338,7 +1338,7 @@ version = "0.10.24"
 dependencies = [
  "anyhow",
  "bstr",
- "itertools 0.12.0",
+ "itertools 0.13.0",
  "once_cell",
  "serde",
  "simdutf8",
@@ -1371,7 +1371,7 @@ dependencies = [
  "globset",
  "human-panic",
  "ignore",
- "itertools 0.12.0",
+ "itertools 0.13.0",
  "kstring",
  "log",
  "maplit",
@@ -1404,7 +1404,7 @@ dependencies = [
  "dictgen",
  "edit-distance",
  "indexmap",
- "itertools 0.12.0",
+ "itertools 0.13.0",
  "snapbox",
  "unicase",
  "varcon",
@@ -1416,7 +1416,7 @@ version = "0.8.18"
 dependencies = [
  "codegenrs",
  "dictgen",
- "itertools 0.12.0",
+ "itertools 0.13.0",
  "snapbox",
  "typos",
  "unicase",
@@ -1567,7 +1567,7 @@ version = "0.4.0"
 dependencies = [
  "codegenrs",
  "dictgen",
- "itertools 0.12.0",
+ "itertools 0.13.0",
  "snapbox",
  "unicase",
 ]
diff --git a/crates/codespell-dict/Cargo.toml b/crates/codespell-dict/Cargo.toml
index 814f7bd..4feb3f0 100644
--- a/crates/codespell-dict/Cargo.toml
+++ b/crates/codespell-dict/Cargo.toml
@@ -22,7 +22,7 @@ dictgen = { version = "^0.2", path = "../dictgen" }
 
 [dev-dependencies]
 unicase = "2.7"
-itertools = "0.12"
+itertools = "0.13"
 codegenrs = "3.0"
 dictgen = { version = "^0.2", path = "../dictgen", features = ["codegen"] }
 snapbox = "0.6.5"
diff --git a/crates/misspell-dict/Cargo.toml b/crates/misspell-dict/Cargo.toml
index f7950c5..c7e39c3 100644
--- a/crates/misspell-dict/Cargo.toml
+++ b/crates/misspell-dict/Cargo.toml
@@ -20,7 +20,7 @@ dictgen = { version = "^0.2", path = "../dictgen" }
 
 [dev-dependencies]
 unicase = "2.7"
-itertools = "0.12"
+itertools = "0.13"
 codegenrs = "3.0"
 regex = "1"
 dictgen = { version = "^0.2", path = "../dictgen", features = ["codegen"] }
diff --git a/crates/typos-cli/Cargo.toml b/crates/typos-cli/Cargo.toml
index 3dd5999..53b391b 100644
--- a/crates/typos-cli/Cargo.toml
+++ b/crates/typos-cli/Cargo.toml
@@ -62,7 +62,7 @@ content_inspector = "0.2.4"
 unicode-segmentation = "1.11.0"
 derive_more = "0.99.17"
 derive_setters = "0.1"
-itertools = "0.12"
+itertools = "0.13"
 serde_json = "1.0"
 kstring = { version = "2.0.0", features = ["serde"] }
 typed-arena = "2.0.2"
diff --git a/crates/typos-dict/Cargo.toml b/crates/typos-dict/Cargo.toml
index e993885..e4c4df2 100644
--- a/crates/typos-dict/Cargo.toml
+++ b/crates/typos-dict/Cargo.toml
@@ -21,7 +21,7 @@ dictgen = { version = "^0.2", path = "../dictgen" }
 
 [dev-dependencies]
 csv = "1.3"
-itertools = "0.12"
+itertools = "0.13"
 edit-distance = "2.1"
 unicase = "2.7"
 codegenrs = "3.0"
diff --git a/crates/typos-vars/Cargo.toml b/crates/typos-vars/Cargo.toml
index 61558aa..11dd110 100644
--- a/crates/typos-vars/Cargo.toml
+++ b/crates/typos-vars/Cargo.toml
@@ -26,7 +26,7 @@ varcon-core = { version = "^4.0", path = "../varcon-core", features = ["flags"]
 typos = { version = "^0.10", path = "../typos" }
 unicase = "2.7"
 codegenrs = "3.0"
-itertools = "0.12"
+itertools = "0.13"
 dictgen = { version = "^0.2", path = "../dictgen", features = ["codegen"] }
 snapbox = "0.6.5"
 
diff --git a/crates/typos/Cargo.toml b/crates/typos/Cargo.toml
index 7040383..de1de76 100644
--- a/crates/typos/Cargo.toml
+++ b/crates/typos/Cargo.toml
@@ -23,7 +23,7 @@ unicode-xid = "0.2.4"
 once_cell = "1.19.0"
 serde = { version = "1.0", features = ["derive"] }
 simdutf8 = "0.1.4"
-itertools = "0.12"
+itertools = "0.13"
 unicode-segmentation = "1.11.0"
 bstr = "1.9"
 
diff --git a/crates/wikipedia-dict/Cargo.toml b/crates/wikipedia-dict/Cargo.toml
index 521bf5a..53da9f7 100644
--- a/crates/wikipedia-dict/Cargo.toml
+++ b/crates/wikipedia-dict/Cargo.toml
@@ -21,7 +21,7 @@ dictgen = { version = "^0.2", path = "../dictgen" }
 
 [dev-dependencies]
 unicase = "2.7"
-itertools = "0.12"
+itertools = "0.13"
 codegenrs = "3.0"
 dictgen = { version = "^0.2", path = "../dictgen", features = ["codegen"] }
 snapbox = "0.6.5"