diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index b34d5f76c2..8dff54073a 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -790,9 +790,9 @@ dependencies = [
 
 [[package]]
 name = "console_log"
-version = "0.1.2"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e7871d2947441b0fdd8e2bd1ce2a2f75304f896582c0d572162d48290683c48"
+checksum = "501a375961cef1a0d44767200e66e4a559283097e91d0730b1d75dfb2f8a1494"
 dependencies = [
  "log",
  "web-sys",
@@ -9748,7 +9748,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "04f8ab788026715fa63b31960869617cba39117e520eb415b0139543e325ab59"
 dependencies = [
  "cfg-if 0.1.10",
- "rand 0.3.23",
+ "rand 0.7.3",
  "static_assertions",
 ]
 
diff --git a/substrate/utils/browser/Cargo.toml b/substrate/utils/browser/Cargo.toml
index e56fea11a3..31fc1e37f3 100644
--- a/substrate/utils/browser/Cargo.toml
+++ b/substrate/utils/browser/Cargo.toml
@@ -18,7 +18,7 @@ futures01 = { package = "futures", version = "0.1.29" }
 log = "0.4.8"
 libp2p-wasm-ext = { version = "0.25", features = ["websocket"] }
 console_error_panic_hook = "0.1.6"
-console_log = "0.1.2"
+console_log = "0.2.0"
 js-sys = "0.3.34"
 wasm-bindgen = "0.2.57"
 wasm-bindgen-futures = "0.4.18"