diff --git a/Cargo.lock b/Cargo.lock
index 9490d6e3..bd110a07 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -128,12 +128,6 @@ dependencies = [
  "libloading",
 ]
 
-[[package]]
-name = "autocfg"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
-
 [[package]]
 name = "autocfg"
 version = "1.0.1"
@@ -354,15 +348,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "cloudabi"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "cmake"
 version = "0.1.45"
@@ -1224,12 +1209,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "fuchsia-cprng"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
-
 [[package]]
 name = "fuchsia-zircon"
 version = "0.3.3"
@@ -1300,7 +1279,7 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "18e4a4b95cea4b4ccbcf1c5675ca7c4ee4e9e75eb79944d07defde18068f79bb"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "proc-macro-hack",
  "proc-macro2",
  "quote",
@@ -1325,7 +1304,7 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "36568465210a3a6ee45e1f165136d68671471a501e632e9a98d96872222b5481"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "futures-channel",
  "futures-core",
  "futures-io",
@@ -1725,7 +1704,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "111c1983f3c5bb72732df25cddacee9b546d08325fb584b5ebd38148be7b0246"
 dependencies = [
  "bitmaps",
- "rand_core 0.5.1",
+ "rand_core",
  "rand_xoshiro",
  "serde 1.0.130",
  "sized-chunks",
@@ -1763,7 +1742,7 @@ version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "hashbrown 0.11.2",
  "serde 1.0.130",
 ]
@@ -2142,7 +2121,6 @@ dependencies = [
  "unicode-segmentation",
  "unicode-width",
  "usvg",
- "uuid",
  "xi-rope",
  "xi-unicode",
 ]
@@ -2432,7 +2410,7 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "59accc507f1338036a0477ef61afdae33cde60840f4dfe481319ce3ad116ddf9"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
 ]
 
 [[package]]
@@ -2468,7 +2446,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a92518e98c078586bc6c934028adcca4c92a53d6a958196de835170a01d84e4b"
 dependencies = [
  "adler",
- "autocfg 1.0.1",
+ "autocfg",
 ]
 
 [[package]]
@@ -2787,7 +2765,7 @@ version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "num-traits 0.2.14",
 ]
 
@@ -2806,7 +2784,7 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
 ]
 
 [[package]]
@@ -2947,7 +2925,7 @@ version = "0.9.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7e46109c383602735fa0a2e48dd2b7c892b048e1bf69e5c3b1d804b7d9c203cb"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "cc",
  "libc",
  "openssl-src",
@@ -3207,125 +3185,19 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rand"
-version = "0.6.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
-dependencies = [
- "autocfg 0.1.7",
- "libc",
- "rand_chacha",
- "rand_core 0.4.2",
- "rand_hc",
- "rand_isaac",
- "rand_jitter",
- "rand_os",
- "rand_pcg",
- "rand_xorshift",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
-dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
-dependencies = [
- "rand_core 0.4.2",
-]
-
-[[package]]
-name = "rand_core"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
-
 [[package]]
 name = "rand_core"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 
-[[package]]
-name = "rand_hc"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
-dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rand_isaac"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
-dependencies = [
- "rand_core 0.3.1",
-]
-
-[[package]]
-name = "rand_jitter"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
-dependencies = [
- "libc",
- "rand_core 0.4.2",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "rand_os"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
-dependencies = [
- "cloudabi",
- "fuchsia-cprng",
- "libc",
- "rand_core 0.4.2",
- "rdrand",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "rand_pcg"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
-dependencies = [
- "autocfg 0.1.7",
- "rand_core 0.4.2",
-]
-
-[[package]]
-name = "rand_xorshift"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
-dependencies = [
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "rand_xoshiro"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a9fcdd2e881d02f1d9390ae47ad8e5696a9e4be7b547a1da2afbc61973217004"
 dependencies = [
- "rand_core 0.5.1",
+ "rand_core",
 ]
 
 [[package]]
@@ -3349,7 +3221,7 @@ version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c06aca804d41dbc8ba42dfd964f0d01334eceb64314b9ecf7c5fad5188a06d90"
 dependencies = [
- "autocfg 1.0.1",
+ "autocfg",
  "crossbeam-deque",
  "either",
  "rayon-core",
@@ -3374,15 +3246,6 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "be9e29cb19c8fe84169fcb07f8f11e66bc9e6e0280efd4715c54818296f8a4a8"
 
-[[package]]
-name = "rdrand"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
-dependencies = [
- "rand_core 0.3.1",
-]
-
 [[package]]
 name = "redox_syscall"
 version = "0.2.10"
@@ -4712,11 +4575,11 @@ checksum = "936e4b492acfd135421d8dca4b1aa80a7bfc26e702ef3af710e0752684df5372"
 
 [[package]]
 name = "uuid"
-version = "0.7.4"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90dbc611eb48397705a6b0f6e917da23ae517e4d127123d2cf7674206627d32a"
+checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
 dependencies = [
- "rand",
+ "getrandom",
 ]
 
 [[package]]
diff --git a/lapce-data/Cargo.toml b/lapce-data/Cargo.toml
index dad19517..17462def 100644
--- a/lapce-data/Cargo.toml
+++ b/lapce-data/Cargo.toml
@@ -46,7 +46,7 @@ notify = "5.0.0-pre.13"
 xi-rope = { git = "https://github.com/lapce/xi-editor", features = ["serde"] }
 xi-unicode = "0.3.0"
 fuzzy-matcher = "0.3.7"
-uuid = { version = "0.7.4", features = ["v4"] }
+uuid = { version = "0.8.2", features = ["v4"] }
 lsp-types = { version = "0.89.2", features = ["proposed"] }
 druid = { git = "https://github.com/lapce/druid", features = [ "svg", "im", "serde", ] }
 #druid = { path = "../../druid/druid", features = ["svg", "im" , "serde"] }
diff --git a/lapce-ui/Cargo.toml b/lapce-ui/Cargo.toml
index d3189041..f460f9bd 100644
--- a/lapce-ui/Cargo.toml
+++ b/lapce-ui/Cargo.toml
@@ -44,7 +44,6 @@ notify = "5.0.0-pre.13"
 xi-rope = { git = "https://github.com/lapce/xi-editor", features = ["serde"] }
 xi-unicode = "0.3.0"
 fuzzy-matcher = "0.3.7"
-uuid = { version = "0.7.4", features = ["v4"] }
 lsp-types = { version = "0.89.2", features = ["proposed"] }
 druid = { git = "https://github.com/lapce/druid", features = [ "svg", "im", "serde", ] }
 #druid = { path = "../../druid/druid", features = ["svg", "im" , "serde"] }