diff --git a/Cargo.lock b/Cargo.lock
index a8ae57e..c1914c7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -261,13 +261,13 @@ dependencies = [
  "ndarray 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ndarray-rand 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_xorshift 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
  "stdinout 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "toml 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "zipf 5.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "zipf 6.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1119,10 +1119,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "zipf"
-version = "5.0.1"
+version = "6.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [metadata]
@@ -1257,4 +1257,4 @@ dependencies = [
 "checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-"checksum zipf 5.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2057772d87bedea0efd93842ee0e0f52fc0c313c556d5fa8ee787771c051a61f"
+"checksum zipf 6.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9e12b8667a4fff63d236f8363be54392f93dbb13616be64a83e761a9319ab589"
diff --git a/Cargo.toml b/Cargo.toml
index 9361043..46ebd0b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,18 +22,17 @@ memmap = "0.7"
 ndarray = "0.13"
 ndarray-rand = "0.11"
 num_cpus = "1"
-rand = "0.6"
-rand_core = "0.4"
-rand_xorshift = "0.1"
+rand = "0.7"
+rand_core = "0.5"
+rand_xorshift = "0.2"
 serde = { version = "1", features = ["derive"] }
 stdinout = "0.4"
 toml = "0.5"
-zipf = "5"
+zipf = "6"
 
 [build-dependencies]
 git2 = "0.10"
 
 [dev-dependencies]
 lazy_static = "1"
-maplit = "1"
-rand_xorshift = "0.1"
+maplit = "1"
\ No newline at end of file
diff --git a/src/subcommands/deps.rs b/src/subcommands/deps.rs
index bdcab2a..3405b91 100644
--- a/src/subcommands/deps.rs
+++ b/src/subcommands/deps.rs
@@ -15,7 +15,7 @@ use finalfrontier::{
     SimpleVocabConfig, SubwordVocab, Vocab, VocabBuilder, WriteModelBinary, SGD,
 };
 use finalfusion::prelude::VocabWrap;
-use rand::{FromEntropy, Rng};
+use rand::{Rng, SeedableRng};
 use rand_xorshift::XorShiftRng;
 use serde::Serialize;
 use stdinout::OrExit;
diff --git a/src/subcommands/skipgram.rs b/src/subcommands/skipgram.rs
index 4cda0eb..6368d61 100644
--- a/src/subcommands/skipgram.rs
+++ b/src/subcommands/skipgram.rs
@@ -12,7 +12,7 @@ use finalfrontier::{
     SubwordVocab, Vocab, VocabBuilder, WriteModelBinary, SGD,
 };
 use finalfusion::prelude::VocabWrap;
-use rand::{FromEntropy, Rng};
+use rand::{Rng, SeedableRng};
 use rand_xorshift::XorShiftRng;
 use serde::Serialize;
 use stdinout::OrExit;
diff --git a/src/train_model.rs b/src/train_model.rs
index 62dcc94..c78c669 100644
--- a/src/train_model.rs
+++ b/src/train_model.rs
@@ -276,7 +276,7 @@ pub trait NegativeSamples {
 mod tests {
     use finalfusion::subword::FinalfusionHashIndexer;
     use ndarray::Array2;
-    use rand::FromEntropy;
+    use rand::SeedableRng;
     use rand_xorshift::XorShiftRng;
 
     use super::TrainModel;
diff --git a/src/util.rs b/src/util.rs
index 2eefa89..b832131 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -1,4 +1,4 @@
-use rand::{FromEntropy, SeedableRng};
+use rand::SeedableRng;
 use rand_core::{self, RngCore};
 use serde::Serialize;
 
@@ -55,7 +55,7 @@ where
 
 impl<R> Clone for ReseedOnCloneRng<R>
 where
-    R: RngCore + FromEntropy + SeedableRng,
+    R: RngCore + SeedableRng,
 {
     fn clone(&self) -> Self {
         ReseedOnCloneRng(R::from_entropy())
@@ -83,7 +83,7 @@ pub use self::test::*;
 #[cfg(test)]
 mod test {
     use ndarray::{ArrayView, Dimension};
-    use rand::{FromEntropy, SeedableRng};
+    use rand::SeedableRng;
     use rand_core::{self, impls, le, RngCore};
 
     use super::ReseedOnCloneRng;