diff --git a/Cargo.toml b/Cargo.toml
index 5fd03f6..92178dd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ rust-version = "1.73.0"
 [dependencies]
 serde_json = "1.0"
 serde = { version = "1.0", features = ["derive"] }
-base64 = "0.21.0"
+base64 = "0.22"
 # For PEM decoding
 pem = { version = "3", optional = true }
 simple_asn1 = { version = "0.6", optional = true }
diff --git a/README.md b/README.md
index b7bcb5c..b586597 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ jsonwebtoken = "9"
 serde = {version = "1.0", features = ["derive"] }
 ```
 
-The minimum required Rust version (MSRV) is 1.67.
+The minimum required Rust version (MSRV) is specified in the `rust-version` field in this project's [Cargo.toml](Cargo.toml).
 
 ## Algorithms
 This library currently supports the following: