diff --git a/curve25519-parser/Cargo.toml b/curve25519-parser/Cargo.toml
index 9e4fc33..a7d9aa2 100644
--- a/curve25519-parser/Cargo.toml
+++ b/curve25519-parser/Cargo.toml
@@ -25,4 +25,4 @@ version = "0.5"
 default-features = false
 
 [dev-dependencies]
-rand = "0.7"
+rand = "0.8"
diff --git a/mla/Cargo.toml b/mla/Cargo.toml
index f620652..ab082f3 100644
--- a/mla/Cargo.toml
+++ b/mla/Cargo.toml
@@ -12,7 +12,7 @@ readme = "../README.md"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-rand = "0.7"
+rand = "0.8"
 rand_chacha = "0.2"
 brotli = "3.3"
 aes-ctr = "0.5"
diff --git a/mlar/Cargo.toml b/mlar/Cargo.toml
index 5adc674..cdf22cd 100644
--- a/mlar/Cargo.toml
+++ b/mlar/Cargo.toml
@@ -17,7 +17,7 @@ clap = "2"
 glob = "0.3"
 mla = { path = "../mla", version = "1" }
 curve25519-parser = { path = "../curve25519-parser", version = "0.2" }
-rand = "0.7"
+rand = "0.8"
 x25519-dalek = "1"
 humansize = "1"
 hex = "0.4"