diff --git a/sdk/core/Cargo.toml b/sdk/core/Cargo.toml
index ea000fa76b..e0300188aa 100644
--- a/sdk/core/Cargo.toml
+++ b/sdk/core/Cargo.toml
@@ -14,7 +14,7 @@ edition = "2021"
 
 [dependencies]
 async-trait = "0.1"
-base64 = "0.13"
+base64 = "0.21"
 bytes = "1.0"
 chrono = "0.4"
 dyn-clone = "1.0"
diff --git a/sdk/data_cosmos/Cargo.toml b/sdk/data_cosmos/Cargo.toml
index 194b4e9772..8f2bab4a56 100644
--- a/sdk/data_cosmos/Cargo.toml
+++ b/sdk/data_cosmos/Cargo.toml
@@ -17,7 +17,7 @@ edition = "2021"
 [dependencies]
 async-trait = "0.1"
 azure_core = { path = "../core", version = "0.3" }
-base64 = "0.13"
+base64 = "0.21"
 chrono = "0.4"
 futures = "0.3"
 log = "0.4"
diff --git a/sdk/device_update/Cargo.toml b/sdk/device_update/Cargo.toml
index cd4c2386d3..5d18f5e47d 100644
--- a/sdk/device_update/Cargo.toml
+++ b/sdk/device_update/Cargo.toml
@@ -13,7 +13,7 @@ license = "MIT"
 edition = "2018"
 
 [dependencies]
-base64 = "0.13"
+base64 = "0.21"
 reqwest = { version = "0.11", features = ["json"], default_features=false }
 chrono = { version = "0.4", features = ["serde"] }
 const_format = "0.2"
diff --git a/sdk/identity/Cargo.toml b/sdk/identity/Cargo.toml
index 74f977a95e..90b98027b2 100644
--- a/sdk/identity/Cargo.toml
+++ b/sdk/identity/Cargo.toml
@@ -25,7 +25,7 @@ log = "0.4"
 async-timer = "1.0.0-beta.7"
 async-trait = "0.1"
 openssl = { version = "0.10",  optional=true }
-base64 = "0.13.0"
+base64 = "0.21.0"
 uuid = { version = "1.0",  features = ["v4"] }
 # work around https://github.com/rust-lang/rust/issues/63033
 fix-hidden-lifetime-bug = "0.2"
diff --git a/sdk/iot_hub/Cargo.toml b/sdk/iot_hub/Cargo.toml
index 3568078b84..60a1e25dba 100644
--- a/sdk/iot_hub/Cargo.toml
+++ b/sdk/iot_hub/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT"
 
 [dependencies]
 azure_core = { path = "../core", version = "0.3" }
-base64 = "0.13"
+base64 = "0.21"
 bytes = "1.0"
 chrono = "0.4"
 hmac = "0.12"
diff --git a/sdk/messaging_servicebus/Cargo.toml b/sdk/messaging_servicebus/Cargo.toml
index 73b4c66c07..eb19ff2e02 100644
--- a/sdk/messaging_servicebus/Cargo.toml
+++ b/sdk/messaging_servicebus/Cargo.toml
@@ -16,7 +16,7 @@ edition = "2021"
 
 [dependencies]
 azure_core = { path = "../core", version = "0.3" }
-base64 = "0.13"
+base64 = "0.21"
 chrono = "0.4"
 log = "0.4"
 url = "2.2"
diff --git a/sdk/security_keyvault/Cargo.toml b/sdk/security_keyvault/Cargo.toml
index 45c409d01e..fd659e6448 100644
--- a/sdk/security_keyvault/Cargo.toml
+++ b/sdk/security_keyvault/Cargo.toml
@@ -13,7 +13,7 @@ license = "MIT"
 edition = "2021"
 
 [dependencies]
-base64 = "0.13"
+base64 = "0.21"
 reqwest = { version = "0.11", features = ["json"] }
 chrono = { version = "0.4", features = ["serde"] }
 const_format = "0.2.13"
diff --git a/sdk/storage/Cargo.toml b/sdk/storage/Cargo.toml
index 8907cf4dcb..7f10eb244f 100644
--- a/sdk/storage/Cargo.toml
+++ b/sdk/storage/Cargo.toml
@@ -15,7 +15,7 @@ edition = "2021"
 [dependencies]
 async-trait = "0.1"
 azure_core = { path = "../core", version = "0.3", default-features=false }
-base64 = "0.13"
+base64 = "0.21"
 chrono = "0.4"
 futures = "0.3"
 log = "0.4"
diff --git a/sdk/storage_blobs/Cargo.toml b/sdk/storage_blobs/Cargo.toml
index 5669895af0..a9fe5b3f20 100644
--- a/sdk/storage_blobs/Cargo.toml
+++ b/sdk/storage_blobs/Cargo.toml
@@ -17,7 +17,7 @@ azure_core = { path = "../core", version = "0.3", default-features = false }
 azure_storage = { path = "../storage", version = "0.4", default-features = false, features = [
   "account",
 ] }
-base64 = "0.13"
+base64 = "0.21"
 bytes = "1.0"
 chrono = { version = "0.4", features = ["serde"] }
 futures = "0.3"
diff --git a/sdk/storage_datalake/Cargo.toml b/sdk/storage_datalake/Cargo.toml
index 3e37629ffb..3c08cb12ae 100644
--- a/sdk/storage_datalake/Cargo.toml
+++ b/sdk/storage_datalake/Cargo.toml
@@ -16,7 +16,7 @@ edition = "2021"
 async-trait = "0.1"
 azure_core = { path = "../core", version = "0.3" }
 azure_storage = { path = "../storage", version = "0.4" }
-base64 = "0.13"
+base64 = "0.21"
 bytes = "1.0"
 chrono = { version = "0.4", features = ["serde"] }
 futures = "0.3"