diff --git a/Cargo.lock b/Cargo.lock
index 1e0ed4f7..fd00230e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -198,9 +198,9 @@ checksum = "597bb81c80a54b6a4381b23faba8d7774b144c94cbd1d6fe3f1329bd776554ab"
 
 [[package]]
 name = "bitflags"
-version = "2.9.0"
+version = "2.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c8214115b7bf84099f1309324e63141d4c5d7cc26862f97a0a857dbefe165bd"
+checksum = "1b8e56985ec62d17e9c1001dc89c88ecd7dc08e47eba5ec7c29c7b5eeecde967"
 
 [[package]]
 name = "bitvec"
diff --git a/fxprof-processed-profile/Cargo.toml b/fxprof-processed-profile/Cargo.toml
index 91c38f9d..d036a576 100644
--- a/fxprof-processed-profile/Cargo.toml
+++ b/fxprof-processed-profile/Cargo.toml
@@ -10,7 +10,7 @@ repository = "https://github.com/mstange/samply/"
 readme = "README.md"
 
 [dependencies]
-bitflags = "2.5"
+bitflags = "2.9"
 serde_json = "1.0"
 serde = "1.0.204"
 serde_derive = "1.0.188"
diff --git a/samply/Cargo.toml b/samply/Cargo.toml
index ee371657..975a04ed 100644
--- a/samply/Cargo.toml
+++ b/samply/Cargo.toml
@@ -77,7 +77,7 @@ os-release = "0.1.0"
 [target.'cfg(windows)'.dependencies]
 
 rangemap = "1.3.0"
-bitflags = "2.4.2"
+bitflags = "2.9.1"
 memoffset = "0.9"
 num-traits = "0.2"
 num-derive = "0.4"