diff --git a/Cargo.lock b/Cargo.lock
index 4ae1c7c2f..6a2109db6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -910,12 +910,6 @@ dependencies = [
  "rustc-demangle",
 ]
 
-[[package]]
-name = "base64"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2015e3793554aa5b6007e3a72959e84c1070039e74f13dde08fa64afe1ddd892"
-
 [[package]]
 name = "base64"
 version = "0.12.3"
@@ -3380,7 +3374,7 @@ name = "light-client"
 version = "0.9.1"
 dependencies = [
  "async-trait",
- "base64 0.13.1",
+ "base64 0.22.1",
  "bb8",
  "borsh 0.10.3",
  "governor",
@@ -3584,7 +3578,7 @@ dependencies = [
  "account-compression",
  "anchor-lang",
  "async-trait",
- "base64 0.2.1",
+ "base64 0.22.1",
  "borsh 0.10.3",
  "forester-utils",
  "light-batched-merkle-tree",
diff --git a/Cargo.toml b/Cargo.toml
index ffafb7387..5a381f4f1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -153,7 +153,7 @@ bytemuck = { version = "1.19.0" }
 num-bigint = "0.4.6"
 num-traits = "0.2.19"
 zerocopy = { version = "0.8.14" }
-base64 = "0.13"
+base64 = "0.22"
 
 # HTTP client
 reqwest = "0.11"
diff --git a/sdk-libs/program-test/Cargo.toml b/sdk-libs/program-test/Cargo.toml
index d724d2cf1..9fd0108c7 100644
--- a/sdk-libs/program-test/Cargo.toml
+++ b/sdk-libs/program-test/Cargo.toml
@@ -8,7 +8,7 @@ default = []
 devenv = []
 
 [dependencies]
-base64 = "0.2"
+base64 = "0.22"
 light-client = { workspace = true }
 light-prover-client = { workspace = true }
 light-sdk = { workspace = true }