diff --git a/core/lib/Cargo.toml b/core/lib/Cargo.toml
index 59cba8cd..6b9cca49 100644
--- a/core/lib/Cargo.toml
+++ b/core/lib/Cargo.toml
@@ -29,7 +29,7 @@ num_cpus = "1.0"
 state = "0.4.1"
 time = "0.1"
 memchr = "2" # TODO: Use pear instead.
-base64 = "0.9"
+base64 = "0.10"
 pear = "0.1"
 isatty = "0.1"
 
diff --git a/examples/managed_queue/Cargo.toml b/examples/managed_queue/Cargo.toml
index 41f2f421..69d0306d 100644
--- a/examples/managed_queue/Cargo.toml
+++ b/examples/managed_queue/Cargo.toml
@@ -5,5 +5,5 @@ workspace = "../.."
 publish = false
 
 [dependencies]
-crossbeam = "0.4"
+crossbeam = "0.5"
 rocket = { path = "../../core/lib" }
diff --git a/examples/pastebin/Cargo.toml b/examples/pastebin/Cargo.toml
index 7a00e39a..3809334b 100644
--- a/examples/pastebin/Cargo.toml
+++ b/examples/pastebin/Cargo.toml
@@ -6,4 +6,4 @@ publish = false
 
 [dependencies]
 rocket = { path = "../../core/lib" }
-rand = "0.5"
+rand = "0.6"
diff --git a/examples/todo/Cargo.toml b/examples/todo/Cargo.toml
index 80c08c2b..88b00c59 100644
--- a/examples/todo/Cargo.toml
+++ b/examples/todo/Cargo.toml
@@ -15,7 +15,7 @@ log = "0.4"
 
 [dev-dependencies]
 parking_lot = { version = "0.6", features = ["nightly"] }
-rand = "0.5"
+rand = "0.6"
 
 [dependencies.rocket_contrib]
 path = "../../contrib/lib"