diff --git a/Cargo.lock b/Cargo.lock
index 7628b05..53aefa8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -183,7 +183,7 @@ dependencies = [
  "arrow-schema",
  "arrow-select",
  "atoi",
- "base64",
+ "base64 0.22.1",
  "chrono",
  "half",
  "lexical-core",
@@ -491,6 +491,12 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "base64"
+version = "0.23.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac07cdecf99051d9a5238b80f35af32cdeba5b336e55d957b318b50137e18da5"
+
 [[package]]
 name = "base64ct"
 version = "1.8.3"
@@ -1829,7 +1835,7 @@ version = "0.1.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "96547c2556ec9d12fb1578c4eaf448b04993e7fb79cbaad930a656880a6bdfa0"
 dependencies = [
- "base64",
+ "base64 0.22.1",
  "bytes",
  "futures-channel",
  "futures-util",
@@ -1876,7 +1882,7 @@ name = "hyperdb-api-core"
 version = "0.7.0"
 dependencies = [
  "arrow",
- "base64",
+ "base64 0.23.1",
  "byteorder",
  "bytes",
  "chrono",
@@ -1940,7 +1946,7 @@ name = "hyperdb-api-salesforce"
 version = "0.7.0"
 dependencies = [
  "arrow",
- "base64",
+ "base64 0.23.1",
  "chrono",
  "hyperdb-api-core",
  "jsonwebtoken",
@@ -1988,7 +1994,7 @@ name = "hyperdb-mcp"
 version = "0.7.0"
 dependencies = [
  "arrow",
- "base64",
+ "base64 0.23.1",
  "chrono",
  "clap",
  "csv",
@@ -2314,7 +2320,7 @@ version = "11.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "881733cbc631fc9e472e24447ce32a64bedf2da498d6d8570b08edc87de71f65"
 dependencies = [
- "base64",
+ "base64 0.22.1",
  "ed25519-dalek",
  "getrandom 0.2.17",
  "hmac 0.12.1",
@@ -2930,7 +2936,7 @@ dependencies = [
  "arrow-ipc",
  "arrow-schema",
  "arrow-select",
- "base64",
+ "base64 0.22.1",
  "bytes",
  "chrono",
  "half",
@@ -2991,7 +2997,7 @@ version = "3.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d30c53c26bc5b31a98cd02d20f25a7c8567146caf63ed593a9d87b2775291be"
 dependencies = [
- "base64",
+ "base64 0.22.1",
  "serde_core",
 ]
 
@@ -3500,7 +3506,7 @@ version = "0.13.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "219c5811de6525e5416c7d5d53bb656d3afdbc6c5af816e0802bcfa42dbdc1c3"
 dependencies = [
- "base64",
+ "base64 0.22.1",
  "bytes",
  "futures-channel",
  "futures-core",
@@ -3565,7 +3571,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1d1f571c72940a19d9532fe52dbea8bc9912bf1d766c2970bb824056b86f3f59"
 dependencies = [
  "async-trait",
- "base64",
+ "base64 0.22.1",
  "chrono",
  "futures",
  "pastey",
@@ -4436,7 +4442,7 @@ checksum = "ac2a5518c70fa84342385732db33fb3f44bc4cc748936eb5833d2df34d6445ef"
 dependencies = [
  "async-trait",
  "axum",
- "base64",
+ "base64 0.22.1",
  "bytes",
  "h2",
  "http",
diff --git a/Cargo.toml b/Cargo.toml
index da4c40e..5f70802 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ repository = "https://github.com/tableau/hyper-api-rust"
 homepage = "https://github.com/tableau/hyper-api-rust"
 
 [workspace.dependencies]
-base64 = "0.22"
+base64 = "0.23"
 byteorder = "1.5"
 bytes = "1.11"
 geo-types = "0.7"
diff --git a/hyperdb-mcp/Cargo.toml b/hyperdb-mcp/Cargo.toml
index 605b81b..6e04b80 100644
--- a/hyperdb-mcp/Cargo.toml
+++ b/hyperdb-mcp/Cargo.toml
@@ -39,7 +39,7 @@ schemars = "1.2"
 thiserror = { workspace = true }
 chrono = { workspace = true }
 plotters = "0.3"
-base64 = "0.22"
+base64 = "0.23"
 notify = "8"
 tokio-util = { version = "0.7", features = ["rt"] }
 tempfile = { workspace = true }