diff --git a/Cargo.lock b/Cargo.lock
index e731eeafb..2a11634ea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -249,7 +249,7 @@ dependencies = [
  "libc",
  "mio",
  "parking_lot",
- "rustix",
+ "rustix 0.38.44",
  "signal-hook",
  "signal-hook-mio",
  "winapi",
@@ -852,7 +852,7 @@ dependencies = [
  "itoa",
  "libc",
  "memmap2",
- "rustix",
+ "rustix 0.38.44",
  "smallvec",
  "thiserror 2.0.12",
 ]
@@ -1449,7 +1449,7 @@ dependencies = [
  "regex-automata",
  "regex-cursor",
  "ropey",
- "rustix",
+ "rustix 0.38.44",
  "tempfile",
  "unicode-segmentation",
  "which",
@@ -1556,7 +1556,7 @@ dependencies = [
  "log",
  "once_cell",
  "parking_lot",
- "rustix",
+ "rustix 0.38.44",
  "serde",
  "serde_json",
  "slotmap",
@@ -1772,9 +1772,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.7.1"
+version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c9c992b02b5b4c94ea26e32fe5bccb7aa7d9f390ab5c1221ff895bc7ea8b652"
+checksum = "3954d50fe15b02142bf25d3b8bdadb634ec3948f103d04ffe3031bc8fe9d7058"
 dependencies = [
  "equivalent",
  "hashbrown 0.15.2",
@@ -1887,6 +1887,12 @@ version = "0.4.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78b3ae25bc7c8c38cec158d1f2757ee79e9b3740fbc7ccf0e59e4b08d793fa89"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db9c683daf087dc577b7506e9695b3d556a9f3849903fa28186283afd6809e9"
+
 [[package]]
 name = "litemap"
 version = "0.7.3"
@@ -2017,9 +2023,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.20.3"
+version = "1.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "945462a4b81e43c4e3ba96bd7b49d834c6f61198356aa858733bc4acf3cbe62e"
+checksum = "cde51589ab56b20a6f686b2c68f7a0bd6add753d697abf720d63f8db3ab7b1ad"
 
 [[package]]
 name = "open"
@@ -2247,7 +2253,20 @@ dependencies = [
  "bitflags",
  "errno",
  "libc",
- "linux-raw-sys",
+ "linux-raw-sys 0.4.14",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "rustix"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7178faa4b75a30e269c71e61c353ce2748cf3d76f0c44c393f4e60abf49b825"
+dependencies = [
+ "bitflags",
+ "errno",
+ "libc",
+ "linux-raw-sys 0.9.2",
  "windows-sys 0.59.0",
 ]
 
@@ -2274,18 +2293,18 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "serde"
-version = "1.0.218"
+version = "1.0.219"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8dfc9d19bdbf6d17e22319da49161d5d0108e4188e8b680aef6299eed22df60"
+checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.218"
+version = "1.0.219"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f09503e191f4e797cb8aac08e9a4a4695c5edf6a2e70e376d961ddd5c969f82b"
+checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2466,15 +2485,15 @@ dependencies = [
 
 [[package]]
 name = "tempfile"
-version = "3.17.1"
+version = "3.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22e5a0acb1f3f55f65cc4a866c361b2fb2a0ff6366785ae6fbb5f85df07ba230"
+checksum = "2c317e0a526ee6120d8dabad239c8dadca62b24b6f168914bbbc8e2fb1f0e567"
 dependencies = [
  "cfg-if",
  "fastrand",
  "getrandom 0.3.1",
  "once_cell",
- "rustix",
+ "rustix 1.0.2",
  "windows-sys 0.59.0",
 ]
 
@@ -2574,9 +2593,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.43.0"
+version = "1.44.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d61fa4ffa3de412bfea335c6ecff681de2b609ba3c77ef3e00e521813a9ed9e"
+checksum = "9975ea0f48b5aa3972bf2d888c238182458437cc2a19374b81b25cdf1023fb3a"
 dependencies = [
  "backtrace",
  "bytes",
@@ -2834,7 +2853,7 @@ checksum = "2774c861e1f072b3aadc02f8ba886c26ad6321567ecc294c935434cad06f1283"
 dependencies = [
  "either",
  "env_home",
- "rustix",
+ "rustix 0.38.44",
  "winsafe",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 2e90a1ccd..58e22e532 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ tree-sitter = { version = "0.22" }
 nucleo = "0.5.0"
 slotmap = "1.0.7"
 thiserror = "2.0"
-tempfile = "3.17.1"
+tempfile = "3.18.0"
 bitflags = "2.9"
 unicode-segmentation = "1.2"
 ropey = { version = "1.6.1", default-features = false, features = ["simd"] }
diff --git a/helix-core/Cargo.toml b/helix-core/Cargo.toml
index da17c4dbb..c5f983236 100644
--- a/helix-core/Cargo.toml
+++ b/helix-core/Cargo.toml
@@ -33,7 +33,7 @@ unicode-width = "=0.1.12"
 unicode-general-category = "1.0"
 slotmap.workspace = true
 tree-sitter.workspace = true
-once_cell = "1.20"
+once_cell = "1.21"
 arc-swap = "1"
 regex = "1"
 bitflags.workspace = true
diff --git a/helix-event/Cargo.toml b/helix-event/Cargo.toml
index c6ab11c6b..5d3eeabc9 100644
--- a/helix-event/Cargo.toml
+++ b/helix-event/Cargo.toml
@@ -19,7 +19,7 @@ tokio = { version = "1", features = ["rt", "rt-multi-thread", "time", "sync", "p
 # setup new events on initialization, hardware-lock-elision hugely benefits this case
 # as it essentially makes the lock entirely free as long as there is no writes 
 parking_lot = { version = "0.12", features = ["hardware-lock-elision"] }
-once_cell = "1.20"
+once_cell = "1.21"
 
 anyhow = "1"
 log = "0.4"
diff --git a/helix-loader/Cargo.toml b/helix-loader/Cargo.toml
index 81a4e220f..493d8b30e 100644
--- a/helix-loader/Cargo.toml
+++ b/helix-loader/Cargo.toml
@@ -22,7 +22,7 @@ serde = { version = "1.0", features = ["derive"] }
 toml = "0.8"
 etcetera = "0.10"
 tree-sitter.workspace = true
-once_cell = "1.20"
+once_cell = "1.21"
 log = "0.4"
 
 # TODO: these two should be on !wasm32 only
diff --git a/helix-lsp-types/Cargo.toml b/helix-lsp-types/Cargo.toml
index 89ff85053..b7033d154 100644
--- a/helix-lsp-types/Cargo.toml
+++ b/helix-lsp-types/Cargo.toml
@@ -22,7 +22,7 @@ license = "MIT"
 
 [dependencies]
 bitflags.workspace = true
-serde = { version = "1.0.218", features = ["derive"] }
+serde = { version = "1.0.219", features = ["derive"] }
 serde_json = "1.0.140"
 url = {version = "2.5.4", features = ["serde"]}
 
diff --git a/helix-lsp/Cargo.toml b/helix-lsp/Cargo.toml
index 54b0e64fa..61bf2a2f7 100644
--- a/helix-lsp/Cargo.toml
+++ b/helix-lsp/Cargo.toml
@@ -25,7 +25,7 @@ globset = "0.4.16"
 log = "0.4"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
-tokio = { version = "1.43", features = ["rt", "rt-multi-thread", "io-util", "io-std", "time", "process", "macros", "fs", "parking_lot", "sync"] }
+tokio = { version = "1.44", features = ["rt", "rt-multi-thread", "io-util", "io-std", "time", "process", "macros", "fs", "parking_lot", "sync"] }
 tokio-stream = "0.1.17"
 parking_lot = "0.12.3"
 arc-swap = "1"
diff --git a/helix-stdx/Cargo.toml b/helix-stdx/Cargo.toml
index 32bdcd4c8..0ce6d2493 100644
--- a/helix-stdx/Cargo.toml
+++ b/helix-stdx/Cargo.toml
@@ -18,7 +18,7 @@ ropey.workspace = true
 which = "7.0"
 regex-cursor = "0.1.5"
 bitflags.workspace = true
-once_cell = "1.20"
+once_cell = "1.21"
 regex-automata = "0.4.9"
 unicode-segmentation.workspace = true
 
diff --git a/helix-term/Cargo.toml b/helix-term/Cargo.toml
index 37cb35fab..7f7ffb6a1 100644
--- a/helix-term/Cargo.toml
+++ b/helix-term/Cargo.toml
@@ -51,7 +51,7 @@ helix-vcs = { path = "../helix-vcs" }
 helix-loader = { path = "../helix-loader" }
 
 anyhow = "1"
-once_cell = "1.20"
+once_cell = "1.21"
 
 tokio = { version = "1", features = ["rt", "rt-multi-thread", "io-util", "io-std", "time", "process", "macros", "fs", "parking_lot"] }
 tui = { path = "../helix-tui", package = "helix-tui", default-features = false, features = ["crossterm"] }
@@ -61,7 +61,7 @@ tokio-stream = "0.1"
 futures-util = { version = "0.3", features = ["std", "async-await"], default-features = false }
 arc-swap = { version = "1.7.1" }
 termini = "1"
-indexmap = "2.7"
+indexmap = "2.8"
 
 # Logging
 fern = "0.7"
diff --git a/helix-tui/Cargo.toml b/helix-tui/Cargo.toml
index 92d852518..2b5767a58 100644
--- a/helix-tui/Cargo.toml
+++ b/helix-tui/Cargo.toml
@@ -23,5 +23,5 @@ cassowary = "0.3"
 unicode-segmentation.workspace = true
 crossterm = { version = "0.28", optional = true }
 termini = "1.0"
-once_cell = "1.20"
+once_cell = "1.21"
 log = "~0.4"
diff --git a/helix-view/Cargo.toml b/helix-view/Cargo.toml
index da9f52a21..34ceeb91c 100644
--- a/helix-view/Cargo.toml
+++ b/helix-view/Cargo.toml
@@ -31,7 +31,7 @@ crossterm = { version = "0.28", optional = true }
 tempfile.workspace = true
 
 # Conversion traits
-once_cell = "1.20"
+once_cell = "1.21"
 url = "2.5.4"
 
 arc-swap = { version = "1.7.1" }