diff --git a/Cargo.lock b/Cargo.lock
index 0663793..b7ee9ed 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -114,9 +114,9 @@ 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 = "bindgen"
@@ -1416,7 +1416,7 @@ dependencies = [
  "anyhow",
  "async-trait",
  "atty",
- "base64 0.20.0",
+ "base64 0.21.0",
  "bindgen",
  "bytes",
  "c_fixed_string",
diff --git a/Cargo.toml b/Cargo.toml
index fca7299..dccd6ae 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2018"
 anyhow = { version = "1.0", optional = true }
 async-trait = { version = "0.1", optional = true }
 atty = "0.2"
-base64 = { version = "0.20", optional = true }
+base64 = { version = "0.21", optional = true }
 bytes = { version = "1.4", optional = true }
 c_fixed_string = { version = "0.2", optional = true }
 cfg-if = "1"