diff --git a/Cargo.lock b/Cargo.lock
index fc3c724..cd4dbb8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -45,11 +45,11 @@ checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
 [[package]]
 name = "birdcage"
-version = "0.3.1"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d92dd4267938d2d01b141f1af28e31c78c764a2550f66fb4f28611fed20c97b3"
+checksum = "ea096aa0a7403806d488d058922713c27771323d3c2a96310b90d7d3d1a6a578"
 dependencies = [
- "landlock",
+ "bitflags 2.4.0",
  "libc",
  "seccompiler",
 ]
@@ -60,6 +60,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4682ae6287fcf752ecaabbfcc7b6f9b72aa33933dc23a554d853aea8eea8635"
+
 [[package]]
 name = "blake2"
 version = "0.10.6"
@@ -91,7 +97,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ea181bf566f71cb9a5d17a59e1871af638180a18fb0035c92ae62b705207123"
 dependencies = [
  "atty",
- "bitflags",
+ "bitflags 1.3.2",
  "clap_derive",
  "clap_lex",
  "indexmap 1.9.3",
@@ -153,26 +159,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "enumflags2"
-version = "0.7.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c041f5090df68b32bcd905365fd51769c8b9d553fe87fde0b683534f10c01bd2"
-dependencies = [
- "enumflags2_derive",
-]
-
-[[package]]
-name = "enumflags2_derive"
-version = "0.7.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e9a1f9f7d83e59740248a6e14ecf93929ade55027844dfcea78beafccc15745"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.32",
-]
-
 [[package]]
 name = "equivalent"
 version = "1.0.1"
@@ -257,17 +243,6 @@ dependencies = [
  "hashbrown 0.14.0",
 ]
 
-[[package]]
-name = "landlock"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "520baa32708c4e957d2fc3a186bc5bd8d26637c33137f399ddfc202adb240068"
-dependencies = [
- "enumflags2",
- "libc",
- "thiserror",
-]
-
 [[package]]
 name = "libc"
 version = "0.2.147"
@@ -330,7 +305,7 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2835a92daeceb952dc846c442c4502583d26a773b031dd04c210cf0a3da599ef"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -454,9 +429,9 @@ dependencies = [
 
 [[package]]
 name = "seccompiler"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e01d1292a1131b22ccea49f30bd106f1238b5ddeec1a98d39268dcc31d540e68"
+checksum = "6f6575e3c2b3a0fe2ef3e53855b6a8dead7c29f783da5e123d378c8c6a89017e"
 dependencies = [
  "libc",
 ]
diff --git a/pam-direct-fallback/Cargo.toml b/pam-direct-fallback/Cargo.toml
index 9bc32a9..79e6ac0 100644
--- a/pam-direct-fallback/Cargo.toml
+++ b/pam-direct-fallback/Cargo.toml
@@ -13,7 +13,7 @@ pamsm = { version = "0.5", features = ["libpam"] }
 pam-utils = { path = "../pam-utils" }
 thiserror = "1"
 error-stack = "0.4"
-birdcage = { version = "0.3", optional = true }
+birdcage = { version = "0.4", optional = true }
 
 [features]
 default = ["sandbox"]
diff --git a/pam-pin/Cargo.toml b/pam-pin/Cargo.toml
index 535b32d..48e329f 100644
--- a/pam-pin/Cargo.toml
+++ b/pam-pin/Cargo.toml
@@ -15,7 +15,7 @@ pin-data = { path = "../pin-data" }
 thiserror = "1"
 error-stack = "0.4"
 argon2 = { version = "0.5", features = ["std"] }
-birdcage = { version = "0.3", optional = true }
+birdcage = { version = "0.4", optional = true }
 
 [features]
 default = ["sandbox"]
diff --git a/pin-gen/Cargo.toml b/pin-gen/Cargo.toml
index 6617fd6..19d8ad6 100644
--- a/pin-gen/Cargo.toml
+++ b/pin-gen/Cargo.toml
@@ -17,7 +17,7 @@ argon2 = { version = "0.5", features = ["std"] }
 rand_core = { version = "0.6", features = ["std"] }
 rpassword = "7.2"
 clap = { version = "3.2", features = ["derive"] }
-birdcage = { version = "0.3", optional = true }
+birdcage = { version = "0.4", optional = true }
 
 [features]
 default = ["sandbox"]