diff --git a/CHANGELOG.md b/CHANGELOG.md
index 56c0f21..2558017 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,11 @@ FIXME: Released on
 
 - Enhancements:
   - Replaced sha256 sum with last modification time check, to verify if a file has been changed in the text editor
+- dependencies:
+  - updated `rand` to `0.8.0`
+  - updated `textwrap` to `0.13.1`
+  - updated `toml` to `0.5.8`
+  - updated `whoami` to `1.0.1`
 
 ## 0.2.0
 
diff --git a/Cargo.lock b/Cargo.lock
index f0da32c..87dfa7d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -412,6 +412,17 @@ dependencies = [
  "wasi 0.9.0+wasi-snapshot-preview1",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee8025cf36f917e6a52cce185b7c7177689b838b7ec138364e50cc2277a56cf4"
+dependencies = [
+ "cfg-if 0.1.10",
+ "libc",
+ "wasi 0.9.0+wasi-snapshot-preview1",
+]
+
 [[package]]
 name = "hostname"
 version = "0.3.1"
@@ -740,11 +751,23 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.15",
  "libc",
- "rand_chacha",
- "rand_core",
- "rand_hc",
+ "rand_chacha 0.2.2",
+ "rand_core 0.5.1",
+ "rand_hc 0.2.0",
+]
+
+[[package]]
+name = "rand"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a76330fb486679b4ace3670f117bbc9e16204005c4bde9c4bd372f45bed34f12"
+dependencies = [
+ "libc",
+ "rand_chacha 0.3.0",
+ "rand_core 0.6.0",
+ "rand_hc 0.3.0",
 ]
 
 [[package]]
@@ -754,7 +777,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.5.1",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.6.0",
 ]
 
 [[package]]
@@ -763,7 +796,16 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.15",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8b34ba8cfb21243bd8df91854c830ff0d785fff2e82ebd4434c2644cb9ada18"
+dependencies = [
+ "getrandom 0.2.0",
 ]
 
 [[package]]
@@ -772,7 +814,16 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
 dependencies = [
- "rand_core",
+ "rand_core 0.5.1",
+]
+
+[[package]]
+name = "rand_hc"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
+dependencies = [
+ "rand_core 0.6.0",
 ]
 
 [[package]]
@@ -787,7 +838,7 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "de0737333e7a9502c789a36d7c7fa6092a49895d4faa31ca5df163857ded2e9d"
 dependencies = [
- "getrandom",
+ "getrandom 0.1.15",
  "redox_syscall",
  "rust-argon2",
 ]
@@ -988,7 +1039,7 @@ checksum = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
 dependencies = [
  "cfg-if 0.1.10",
  "libc",
- "rand",
+ "rand 0.7.3",
  "redox_syscall",
  "remove_dir_all",
  "winapi",
@@ -1009,7 +1060,7 @@ dependencies = [
  "hostname",
  "lazy_static",
  "magic-crypt",
- "rand",
+ "rand 0.8.0",
  "regex",
  "rpassword",
  "serde",
@@ -1025,9 +1076,9 @@ dependencies = [
 
 [[package]]
 name = "textwrap"
-version = "0.13.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1bca196a5c5a7bc57a5c92809cf5670e16bcbca3bf0d09ef47150bf97221f6f"
+checksum = "7aca9e798437265144ddacce09343df0b3413a0aef54b1e212e640e472118b80"
 dependencies = [
  "smawk",
  "unicode-width",
@@ -1066,9 +1117,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.5.7"
+version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75cf45bb0bef80604d001caaec0d09da99611b3c0fd39d3080468875cdb65645"
+checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
 dependencies = [
  "serde",
 ]
@@ -1219,9 +1270,9 @@ dependencies = [
 
 [[package]]
 name = "whoami"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0b81b8c1996f45197d8aad89b388f0a419afb4c5c876a23006d2d1435cb82d8"
+checksum = "e35495e7faf4c657051a8e9725d9c37ac57879e915be3ed55bb401af84382035"
 dependencies = [
  "wasm-bindgen",
  "web-sys",
diff --git a/Cargo.toml b/Cargo.toml
index ab67057..783df5f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,17 +26,17 @@ getopts = "0.2.21"
 hostname = "0.3.1"
 lazy_static = "1.4.0"
 magic-crypt = "3.1.6"
-rand = "0.7.3"
+rand = "0.8.0"
 regex = "1.4.2"
 rpassword = "5.0.0"
 serde = { version = "1.0.118", features = ["derive"] }
 ssh2 = "0.9.0"
 tempfile = "3.1.0"
-textwrap = "0.13.0"
-toml = "0.5.7"
+textwrap = "0.13.1"
+toml = "0.5.8"
 tui = { version = "0.13.0", features = ["crossterm"], default-features = false }
 unicode-width = "0.1.7"
-whoami = "1.0.0"
+whoami = "1.0.1"
 
 [target.'cfg(any(target_os = "unix", target_os = "macos", target_os = "linux"))'.dependencies]
 users = "0.11.0"
diff --git a/src/system/bookmarks_client.rs b/src/system/bookmarks_client.rs
index 4119ac4..0f6a297 100644
--- a/src/system/bookmarks_client.rs
+++ b/src/system/bookmarks_client.rs
@@ -33,7 +33,7 @@ use crate::filetransfer::FileTransferProtocol;
 use crate::utils::crypto;
 use crate::utils::fmt::fmt_time;
 // Ext
-use rand::{distributions::Alphanumeric, Rng};
+use rand::{distributions::Alphanumeric, thread_rng, Rng};
 use std::fs::{OpenOptions, Permissions};
 use std::io::{Read, Write};
 use std::path::{Path, PathBuf};
@@ -284,10 +284,12 @@ impl BookmarksClient {
     /// Generate a new AES key and write it to key file
     fn generate_key(key_file: &Path) -> Result<String, SerializerError> {
         // Generate 256 bytes (2048 bits) key
-        let key: String = rand::thread_rng()
-            .sample_iter(Alphanumeric)
+        let mut rng = thread_rng();
+        let key: String = std::iter::repeat(())
+            .map(|()| rng.sample(Alphanumeric))
+            .map(char::from)
             .take(256)
-            .collect::<String>();
+            .collect();
         // Write file
         match OpenOptions::new()
             .create(true)
@@ -406,7 +408,7 @@ mod tests {
         // Verify client
         assert_eq!(client.hosts.bookmarks.len(), 0);
         assert_eq!(client.hosts.recents.len(), 0);
-        assert!(client.key.len() > 0);
+        assert_eq!(client.key.len(), 256);
         assert_eq!(client.bookmarks_file, cfg_path);
         assert_eq!(client.recents_size, 16);
     }