diff --git a/Cargo.lock b/Cargo.lock
index 11e4de35e45e..baaa561bb805 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1361,8 +1361,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "93f2635620bf0b9d4576eb7bb9a38a55df78bd1205d26fa994b25911a69f212f"
 dependencies = [
  "bitcoin_hashes",
- "rand 0.7.3",
- "rand_core 0.5.1",
+ "rand 0.8.5",
+ "rand_core 0.6.4",
  "serde",
  "unicode-normalization",
 ]
@@ -8797,9 +8797,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.16"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f30b0abd723be7e2ffca1272140fac1a2f084c77ec3e123c192b66af1ee9e6c2"
+checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
  "libm",
@@ -19951,7 +19951,7 @@ checksum = "97fee6b57c6a41524a810daee9286c02d7752c4253064d0b05472833a438f675"
 dependencies = [
  "cfg-if",
  "digest 0.10.7",
- "rand 0.7.3",
+ "rand 0.8.5",
  "static_assertions",
 ]
 
diff --git a/substrate/client/consensus/babe/Cargo.toml b/substrate/client/consensus/babe/Cargo.toml
index c8cff0981b36..6008a5a99f8b 100644
--- a/substrate/client/consensus/babe/Cargo.toml
+++ b/substrate/client/consensus/babe/Cargo.toml
@@ -20,7 +20,7 @@ futures = "0.3.21"
 log = "0.4.17"
 num-bigint = "0.4.3"
 num-rational = "0.4.1"
-num-traits = "0.2.8"
+num-traits = "0.2.17"
 parking_lot = "0.12.1"
 thiserror = "1.0"
 fork-tree = { path = "../../../utils/fork-tree" }
diff --git a/substrate/primitives/arithmetic/Cargo.toml b/substrate/primitives/arithmetic/Cargo.toml
index 8634dabe854f..ecd3d9585bc4 100644
--- a/substrate/primitives/arithmetic/Cargo.toml
+++ b/substrate/primitives/arithmetic/Cargo.toml
@@ -19,7 +19,7 @@ codec = { package = "parity-scale-codec", version = "3.6.1", default-features =
 	"max-encoded-len",
 ] }
 integer-sqrt = "0.1.2"
-num-traits = { version = "0.2.8", default-features = false }
+num-traits = { version = "0.2.17", default-features = false }
 scale-info = { version = "2.10.0", default-features = false, features = ["derive"] }
 serde = { version = "1.0.193", default-features = false, features = ["alloc", "derive"], optional = true }
 static_assertions = "1.1.0"