diff --git a/Cargo.lock b/Cargo.lock
index 5813d3e..34740cf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -64,9 +64,9 @@ checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "base64"
-version = "0.20.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ea22880d78093b0cbe17c89f64a7d457941e65759157ec6cb31a31d652b05e5"
+checksum = "a4a4ddaa51a5bc52a6948f74c06d20aaaddb71924eab79b8c97a8c556e942d6a"
 
 [[package]]
 name = "bitflags"
@@ -928,7 +928,7 @@ dependencies = [
 name = "rustbot"
 version = "0.1.0"
 dependencies = [
- "base64 0.20.0",
+ "base64 0.21.0",
  "cached",
  "dotenv",
  "lazy_static",
diff --git a/Cargo.toml b/Cargo.toml
index 89209f3..6b38d86 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ tokio = { version = "1.16", features = ["macros", "signal", "rt-multi-thread"] }
 dotenv = { version = "0.15.0" }
 serenity = "0.11.5"
 regex = "1.7.3"
-base64 = "0.20.0"
+base64 = "0.21.0"
 process_control = "4.0"
 cached = "0.42.0"
 lazy_static = "1.4.0"