diff --git a/Cargo.lock b/Cargo.lock
index 2d2a41a2b..bf28fd3c5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -615,9 +615,9 @@ checksum = "78a6932c88f1d2c29533a3b8a5f5a2f84cc19c3339b431677c3160c5c2e6ca85"
 
 [[package]]
 name = "brotli"
-version = "6.0.0"
+version = "7.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74f7971dbd9326d58187408ab83117d8ac1bb9c17b085fdacd1cf2f598719b6b"
+checksum = "cc97b8f16f944bba54f0433f07e30be199b6dc2bd25937444bbad560bcea29bd"
 dependencies = [
  "alloc-no-stdlib",
  "alloc-stdlib",
diff --git a/Cargo.toml b/Cargo.toml
index 453ccdcbe..105b3a25d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,7 +46,7 @@ async-native-tls = { version = "0.5", default-features = false, features = ["run
 async-smtp = { version = "0.9", default-features = false, features = ["runtime-tokio"] }
 async_zip = { version = "0.0.17", default-features = false, features = ["deflate", "tokio-fs"] }
 base64 = { workspace = true }
-brotli = { version = "6", default-features=false, features = ["std"] }
+brotli = { version = "7", default-features=false, features = ["std"] }
 bytes = "1"
 chrono = { workspace = true, features = ["alloc", "clock", "std"] }
 email = { git = "https://github.com/deltachat/rust-email", branch = "master" }