diff --git a/Cargo.lock b/Cargo.lock
index 4cee19db..a1a8befa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -150,9 +150,9 @@ dependencies = [
 
 [[package]]
 name = "bitflags"
-version = "2.8.0"
+version = "2.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f68f53c83ab957f72c32642f3868eec03eb974d1fb82e453128456482613d36"
+checksum = "5c8214115b7bf84099f1309324e63141d4c5d7cc26862f97a0a857dbefe165bd"
 
 [[package]]
 name = "bumpalo"
diff --git a/alioth/Cargo.toml b/alioth/Cargo.toml
index 7a1e5187..ea496f06 100644
--- a/alioth/Cargo.toml
+++ b/alioth/Cargo.toml
@@ -12,7 +12,7 @@ test-hv = []
 
 [dependencies]
 zerocopy = { version = "0.8.23", features = ["derive", "alloc"] }
-bitflags = "2.8.0"
+bitflags = "2.9.0"
 bitfield = "0.19.0"
 log = "0.4"
 mio = { version = "1", features = ["os-poll", "os-ext", "net"] }