diff --git a/Cargo.lock b/Cargo.lock
index f50d34e96f..506464d2d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -735,9 +735,9 @@ checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "base64"
-version = "0.21.4"
+version = "0.21.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ba43ea6f343b788c8764558649e08df62f86c6ef251fdaeb1ffd010a9ae50a2"
+checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
 
 [[package]]
 name = "base64ct"
@@ -4801,7 +4801,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "046cd98826c46c2ac8ddecae268eb5c2e58628688a5fc7a2643704a73faba95b"
 dependencies = [
  "async-compression",
- "base64 0.21.4",
+ "base64 0.21.5",
  "bytes",
  "encoding_rs",
  "futures-core",
@@ -5500,7 +5500,7 @@ version = "1.18.0"
 dependencies = [
  "Inflector",
  "assert_matches",
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "bs58 0.4.0",
  "bv",
@@ -6047,7 +6047,7 @@ name = "solana-cli-output"
 version = "1.18.0"
 dependencies = [
  "Inflector",
- "base64 0.21.4",
+ "base64 0.21.5",
  "chrono",
  "clap 2.33.3",
  "console",
@@ -6181,7 +6181,7 @@ version = "1.18.0"
 dependencies = [
  "anchor-lang",
  "assert_matches",
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "bs58 0.4.0",
  "bytes",
@@ -6431,7 +6431,7 @@ dependencies = [
 name = "solana-genesis"
 version = "1.18.0"
 dependencies = [
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "clap 2.33.3",
  "itertools",
@@ -6965,7 +6965,7 @@ dependencies = [
  "ark-serialize",
  "array-bytes",
  "assert_matches",
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "bitflags 2.3.3",
  "blake3",
@@ -7016,7 +7016,7 @@ name = "solana-program-runtime"
 version = "1.18.0"
 dependencies = [
  "assert_matches",
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "eager",
  "enum-iterator",
@@ -7046,7 +7046,7 @@ version = "1.18.0"
 dependencies = [
  "assert_matches",
  "async-trait",
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "chrono-humanize",
  "crossbeam-channel",
@@ -7151,7 +7151,7 @@ dependencies = [
 name = "solana-rpc"
 version = "1.18.0"
 dependencies = [
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "bs58 0.4.0",
  "crossbeam-channel",
@@ -7214,7 +7214,7 @@ version = "1.18.0"
 dependencies = [
  "assert_matches",
  "async-trait",
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "bs58 0.4.0",
  "crossbeam-channel",
@@ -7241,7 +7241,7 @@ dependencies = [
 name = "solana-rpc-client-api"
 version = "1.18.0"
 dependencies = [
- "base64 0.21.4",
+ "base64 0.21.5",
  "bs58 0.4.0",
  "jsonrpc-core",
  "reqwest",
@@ -7310,7 +7310,7 @@ version = "1.18.0"
 dependencies = [
  "arrayref",
  "assert_matches",
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "blake3",
  "bv",
@@ -7412,7 +7412,7 @@ dependencies = [
  "anchor-lang",
  "anyhow",
  "assert_matches",
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "bitflags 2.3.3",
  "borsh 0.10.3",
@@ -7641,7 +7641,7 @@ dependencies = [
 name = "solana-test-validator"
 version = "1.18.0"
 dependencies = [
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "crossbeam-channel",
  "log",
@@ -7805,7 +7805,7 @@ name = "solana-transaction-status"
 version = "1.18.0"
 dependencies = [
  "Inflector",
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "borsh 0.10.3",
  "bs58 0.4.0",
@@ -8094,7 +8094,7 @@ name = "solana-zk-token-sdk"
 version = "1.18.0"
 dependencies = [
  "aes-gcm-siv",
- "base64 0.21.4",
+ "base64 0.21.5",
  "bincode",
  "bytemuck",
  "byteorder",
@@ -8960,7 +8960,7 @@ dependencies = [
  "async-stream",
  "async-trait",
  "axum",
- "base64 0.21.4",
+ "base64 0.21.5",
  "bytes",
  "futures-core",
  "futures-util",
diff --git a/Cargo.toml b/Cargo.toml
index 8f8d7d736c..5495d2c956 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -156,7 +156,7 @@ async-mutex = "1.4.0"
 async-trait = "0.1.73"
 atty = "0.2.11"
 backoff = "0.4.0"
-base64 = "0.21.4"
+base64 = "0.21.5"
 bincode = "1.3.3"
 bitflags = { version = "2.3.3", features = ["serde"] }
 blake3 = "1.5.0"