diff --git a/Cargo.lock b/Cargo.lock
index b1e569e0a..6fc72e732 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -865,7 +865,7 @@ dependencies = [
  "clap",
  "criterion-plot",
  "csv",
- "itertools 0.10.0",
+ "itertools 0.10.1",
  "lazy_static",
  "num-traits",
  "oorandom",
@@ -1136,7 +1136,7 @@ dependencies = [
  "hex",
  "image",
  "indexmap",
- "itertools 0.10.0",
+ "itertools 0.10.1",
  "kamadak-exif",
  "lettre_email",
  "libc",
@@ -2028,9 +2028,9 @@ dependencies = [
 
 [[package]]
 name = "itertools"
-version = "0.10.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37d572918e350e82412fe766d24b15e6682fb2ed2bbe018280caa810397cb319"
+checksum = "69ddb889f9d0d08a67338271fa9b62996bc788c7796a5c18cf057420aaed5eaf"
 dependencies = [
  "either",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index dae10fdbe..3a7cfd998 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -37,7 +37,7 @@ futures = "0.3.15"
 hex = "0.4.0"
 image = { version = "0.23.5", default-features=false, features = ["gif", "jpeg", "ico", "png", "pnm", "webp", "bmp"] }
 indexmap = "1.3.0"
-itertools = "0.10.0"
+itertools = "0.10.1"
 kamadak-exif = "0.5"
 lettre_email = { git = "https://github.com/deltachat/lettre", branch = "master" }
 libc = "0.2.95"