diff --git a/Cargo.lock b/Cargo.lock
index 74c112db..5368dc00 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -322,9 +322,9 @@ checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "base64"
-version = "0.21.2"
+version = "0.21.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "604178f6c5c21f02dc555784810edfb88d34ac2c73b2eae109655649ee73ce3d"
+checksum = "414dcefbc63d77c526a76b3afcf6fbb9b5e2791c19c3aa2297733208750c6e53"
 
 [[package]]
 name = "base64ct"
@@ -1040,7 +1040,7 @@ version = "0.1.0"
 dependencies = [
  "argon2",
  "async-trait",
- "base64 0.21.2",
+ "base64 0.21.3",
  "bytes",
  "cfg-if",
  "color-eyre",
@@ -1077,7 +1077,7 @@ name = "erooster_imap"
 version = "0.1.0"
 dependencies = [
  "async-trait",
- "base64 0.21.2",
+ "base64 0.21.3",
  "color-eyre",
  "const_format",
  "convert_case",
@@ -1103,7 +1103,7 @@ dependencies = [
 name = "erooster_smtp"
 version = "0.1.0"
 dependencies = [
- "base64 0.21.2",
+ "base64 0.21.3",
  "cfg-if",
  "color-eyre",
  "convert_case",
@@ -3551,7 +3551,7 @@ version = "0.11.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e9ad3fe7488d7e34558a2033d45a0c90b72d97b4f80705666fea71472e2e6a1"
 dependencies = [
- "base64 0.21.2",
+ "base64 0.21.3",
  "bytes",
  "encoding_rs",
  "futures-core",
@@ -3729,7 +3729,7 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2d3987094b1d07b653b7dfdc3f70ce9a1da9c51ac18c1b06b662e4f9a0e9f4b2"
 dependencies = [
- "base64 0.21.2",
+ "base64 0.21.3",
 ]
 
 [[package]]
@@ -4140,7 +4140,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ca69bf415b93b60b80dc8fda3cb4ef52b2336614d8da2de5456cc942a110482"
 dependencies = [
  "atoi",
- "base64 0.21.2",
+ "base64 0.21.3",
  "bitflags 2.4.0",
  "byteorder",
  "bytes",
@@ -4184,7 +4184,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a0db2df1b8731c3651e204629dd55e52adbae0462fa1bdcbed56a2302c18181e"
 dependencies = [
  "atoi",
- "base64 0.21.2",
+ "base64 0.21.3",
  "bitflags 2.4.0",
  "byteorder",
  "crc",
diff --git a/crates/erooster_core/Cargo.toml b/crates/erooster_core/Cargo.toml
index e3ada9e1..6321fe16 100644
--- a/crates/erooster_core/Cargo.toml
+++ b/crates/erooster_core/Cargo.toml
@@ -16,7 +16,7 @@ bench = false
 [dependencies]
 argon2 = { version = "0.5.1", features = ["std"] }
 async-trait = "0.1.64"
-base64 = "0.21.0"
+base64 = "0.21.3"
 bytes = "1.4.0"
 cfg-if = "1.0.0"
 color-eyre = "0.6.2"
diff --git a/crates/erooster_imap/Cargo.toml b/crates/erooster_imap/Cargo.toml
index bd3ba3e0..65333e0b 100644
--- a/crates/erooster_imap/Cargo.toml
+++ b/crates/erooster_imap/Cargo.toml
@@ -15,7 +15,7 @@ bench = false
 
 [dependencies]
 async-trait = "0.1.64"
-base64 = "0.21.0"
+base64 = "0.21.3"
 color-eyre = "0.6.2"
 const_format = "0.2.30"
 erooster_core = { version = "0.1.0", path = "../erooster_core" }
diff --git a/crates/erooster_smtp/Cargo.toml b/crates/erooster_smtp/Cargo.toml
index 519157db..ac36a8ec 100644
--- a/crates/erooster_smtp/Cargo.toml
+++ b/crates/erooster_smtp/Cargo.toml
@@ -17,7 +17,7 @@ bench = false
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-base64 = "0.21.0"
+base64 = "0.21.3"
 color-eyre = "0.6.2"
 erooster_core = { version = "0.1.0", path = "../erooster_core" }
 futures = { version = "0.3.25", features = ["thread-pool"] }