diff --git a/Cargo.lock b/Cargo.lock
index bc186ac2cd9..4bd1d51dea0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -268,13 +268,19 @@ version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
+[[package]]
+name = "base64"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9475866fec1451be56a3c2400fd081ff546538961565ccb5b7142cbd22bc7a51"
+
 [[package]]
 name = "base64-serde"
 version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e964e3e0a930303c7c0bdb28ebf691dd98d9eee4b8b68019d2c995710b58a18"
 dependencies = [
- "base64",
+ "base64 0.13.1",
  "serde",
 ]
 
@@ -1555,7 +1561,7 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fd8d6b3f301ba426b30feca834a2a18d48d5b54e5065496b5c1b05537bee3639"
 dependencies = [
- "base64",
+ "base64 0.13.1",
  "serde",
  "serde_json",
 ]
@@ -2069,7 +2075,7 @@ version = "0.0.0"
 dependencies = [
  "anyhow",
  "async-trait",
- "base64",
+ "base64 0.22.0",
  "futures 0.3.30",
  "lazy_static",
  "lru",
@@ -2096,7 +2102,7 @@ dependencies = [
  "anyhow",
  "arbitrary",
  "async-trait",
- "base64",
+ "base64 0.22.0",
  "base64-serde",
  "bech32",
  "bincode",
diff --git a/keymanager/Cargo.toml b/keymanager/Cargo.toml
index dbb1b1055fb..29b035fffaa 100644
--- a/keymanager/Cargo.toml
+++ b/keymanager/Cargo.toml
@@ -11,7 +11,7 @@ cbor = { version = "0.5.1", package = "oasis-cbor" }
 
 # Third party.
 anyhow = "1.0"
-base64 = "0.13.0"
+base64 = "0.22.0"
 futures = "0.3.25"
 lazy_static = "1.3.0"
 lru = "0.9.0"
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index 8dc4c12e50f..b615248f252 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -28,7 +28,7 @@ bincode = "1.3.3"
 snow = "0.9.6"
 percent-encoding = "2.2.0"
 chrono = "0.4.19"
-base64 = "0.13.0"
+base64 = "0.22.0"
 rustc-hex = "2.0.1"
 rand = "0.8.5"
 futures = "0.3.25"