diff --git a/Cargo.toml b/Cargo.toml
index 897d6e3..bc855aa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ exclude = ["/.github", "ci"]
 keywords = ["linux"]
 
 [dependencies]
-c-gull = { version = "0.15.39", default-features = false, features = ["eyra"] }
+c-gull = { version = "0.15.41", default-features = false, features = ["eyra"] }
 
 [dev-dependencies]
 assert_cmd = "2.0.12"
@@ -27,7 +27,7 @@ rand_xorshift = "0.3.0"
 ctor = "0.2.0"
 
 # Check if rustup is installed for tests
-which = "5.0.0"
+which = "6.0.0"
 
 # Test that the core_simd crate works under mustang.
 core_simd = { git = "https://github.com/rust-lang/portable-simd" }
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 0d984b8..c9a29fc 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2024-02-14"
+channel = "nightly-2024-02-26"
 components = ["rustc", "cargo", "rust-std", "rust-src", "rustfmt"]