diff --git a/Cargo.lock b/Cargo.lock
index 42a13f85..d45408b3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,9 +8,9 @@ checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
 
 [[package]]
 name = "base64"
-version = "0.12.3"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
+checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
 [[package]]
 name = "bcrypt-pbkdf"
diff --git a/pbkdf2/Cargo.toml b/pbkdf2/Cargo.toml
index 6867991d..448d5b7f 100644
--- a/pbkdf2/Cargo.toml
+++ b/pbkdf2/Cargo.toml
@@ -14,7 +14,7 @@ edition = "2018"
 crypto-mac = "0.9"
 
 rayon = { version = "1", optional = true }
-base64 = { version = "0.12", default-features = false, features = ["alloc"], optional = true }
+base64 = { version = "0.13", default-features = false, features = ["alloc"], optional = true }
 rand = { version = "0.7", default-features = false, optional = true }
 rand_core = { version = "0.5", default-features = false, features = ["getrandom"], optional = true }
 hmac = { version = "0.9", default-features = false, optional = true }
diff --git a/scrypt/Cargo.toml b/scrypt/Cargo.toml
index f100b73e..66dda192 100644
--- a/scrypt/Cargo.toml
+++ b/scrypt/Cargo.toml
@@ -15,7 +15,7 @@ hmac = "0.9"
 pbkdf2 = { version = "0.5", default-features = false, path = "../pbkdf2" }
 sha2 = { version = "0.9", default-features = false }
 
-base64 = { version = "0.12", default-features = false, features = ["alloc"], optional = true }
+base64 = { version = "0.13", default-features = false, features = ["alloc"], optional = true }
 rand_core = { version = "0.5", default-features = false, features = ["getrandom"], optional = true }
 rand = { version = "0.7", default-features = false, optional = true }
 subtle = { version = "2", default-features = false, optional = true }