diff --git a/Cargo.lock b/Cargo.lock
index 5eae21a..e3562b6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -84,9 +84,9 @@ dependencies = [
 
 [[package]]
 name = "alfis"
-version = "0.8.3"
+version = "0.8.4"
 dependencies = [
- "base64",
+ "base64 0.20.0",
  "bincode",
  "blakeout",
  "byteorder",
@@ -158,9 +158,15 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "base64"
-version = "0.13.0"
+version = "0.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+
+[[package]]
+name = "base64"
+version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
+checksum = "0ea22880d78093b0cbe17c89f64a7d457941e65759157ec6cb31a31d652b05e5"
 
 [[package]]
 name = "bincode"
@@ -1453,7 +1459,7 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b97acb4c28a254fd7a4aeec976c46a7fa404eac4d7c134b30c75144846d7cb8f"
 dependencies = [
- "base64",
+ "base64 0.13.1",
  "chunked_transfer",
  "flate2",
  "log",
diff --git a/Cargo.toml b/Cargo.toml
index b40f998..25c0d31 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ serde = { version = "1.0.144", features = ["derive"] }
 serde_json = "1.0.85"
 bincode = "1.3.3"
 serde_cbor = "0.11.2"
-base64 = "0.13.0"
+base64 = "0.20.0"
 num-bigint = "0.4.3"
 num-traits = "0.2.15"
 chrono = { version = "0.4.20", features = ["serde"] }