diff --git a/Cargo.lock b/Cargo.lock
index 35604f2..60618b7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -246,7 +246,7 @@ dependencies = [
  "mio",
  "parking_lot",
  "rustix",
- "signal-hook",
+ "signal-hook 0.3.18",
  "signal-hook-mio",
  "winapi",
 ]
@@ -796,7 +796,7 @@ dependencies = [
  "ratatui",
  "serde",
  "serde_json",
- "signal-hook",
+ "signal-hook 0.4.4",
  "termlens",
 ]
 
@@ -1401,6 +1401,16 @@ dependencies = [
  "signal-hook-registry",
 ]
 
+[[package]]
+name = "signal-hook"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2a0c28ca5908dbdbcd52e6fdaa00358ab88637f8ab33e1f188dd510eb44b53d"
+dependencies = [
+ "libc",
+ "signal-hook-registry",
+]
+
 [[package]]
 name = "signal-hook-mio"
 version = "0.2.5"
@@ -1409,7 +1419,7 @@ checksum = "b75a19a7a740b25bc7944bdee6172368f988763b744e3d4dfe753f6b4ece40cc"
 dependencies = [
  "libc",
  "mio",
- "signal-hook",
+ "signal-hook 0.3.18",
 ]
 
 [[package]]
@@ -1534,7 +1544,7 @@ dependencies = [
  "bitflags 2.13.1",
  "parking_lot",
  "rustix",
- "signal-hook",
+ "signal-hook 0.3.18",
  "windows-sys",
 ]
 
@@ -1600,7 +1610,7 @@ dependencies = [
  "pest_derive",
  "phf",
  "sha2",
- "signal-hook",
+ "signal-hook 0.3.18",
  "siphasher",
  "terminfo",
  "termios",
diff --git a/Cargo.toml b/Cargo.toml
index 2d6b1c5..e455e3c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,7 +42,7 @@ libc = "0.2"
 # `sigaction`. Unix-only by nature — Windows has no POSIX signals — and
 # already in the tree at this version, since crossterm pulls it through
 # ratatui for its event stream.
-signal-hook = { version = "0.3", default-features = false, features = ["iterator"] }
+signal-hook = { version = "0.4", default-features = false, features = ["iterator"] }
 
 [dev-dependencies]
 # The end-to-end suite: the real binary, in a real PTY, asserted on the rendered