diff --git a/Cargo.lock b/Cargo.lock
index 5d47a2c6..b2677d20 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -60,9 +60,15 @@ checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "base64"
-version = "0.21.5"
+version = "0.21.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
+checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
+
+[[package]]
+name = "base64"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9475866fec1451be56a3c2400fd081ff546538961565ccb5b7142cbd22bc7a51"
 
 [[package]]
 name = "basic-toml"
@@ -409,7 +415,7 @@ checksum = "2a071f4f7efc9a9118dfb627a0a94ef247986e1ab8606a4c806ae2b3aa3b6978"
 dependencies = [
  "ahash",
  "anyhow",
- "base64 0.21.5",
+ "base64 0.21.7",
  "bytecount",
  "fancy-regex",
  "fraction",
@@ -840,7 +846,7 @@ dependencies = [
 name = "serde_with"
 version = "3.7.0"
 dependencies = [
- "base64 0.21.5",
+ "base64 0.22.0",
  "chrono",
  "doc-comment",
  "document-features",
diff --git a/serde_with/Cargo.toml b/serde_with/Cargo.toml
index 3d8af942..eec5c8bf 100644
--- a/serde_with/Cargo.toml
+++ b/serde_with/Cargo.toml
@@ -121,7 +121,7 @@ time_0_3 = ["dep:time_0_3"]
 
 # When adding new optional dependencies, update the documentation in feature-flags.md
 [dependencies]
-base64 = {version = "0.21.0", optional = true, default-features = false}
+base64 = {version = "0.22.0", optional = true, default-features = false}
 chrono_0_4 = {package = "chrono", version = "0.4.20", optional = true, default-features = false, features = ["serde"]}
 doc-comment = {version = "0.3.3", optional = true}
 document-features = {version = "0.2.7", optional = true}
diff --git a/serde_with/tests/base64.rs b/serde_with/tests/base64.rs
index cb20fadc..5a58afa5 100644
--- a/serde_with/tests/base64.rs
+++ b/serde_with/tests/base64.rs
@@ -38,7 +38,7 @@ fn base64_vec() {
 
     check_error_deserialization::<BDefault>(
         r#"["0"]"#,
-        expect!["Encoded text cannot have a 6-bit remainder. at line 1 column 4"],
+        expect!["Invalid input length: 1 at line 1 column 4"],
     );
     check_error_deserialization::<BDefault>(
         r#"["zz"]"#,