diff --git a/leptos_dom/Cargo.toml b/leptos_dom/Cargo.toml
index ab3d679e5..99a6068b4 100644
--- a/leptos_dom/Cargo.toml
+++ b/leptos_dom/Cargo.toml
@@ -10,7 +10,7 @@ rust-version.workspace = true
 
 [dependencies]
 async-recursion = "1"
-base64 = { version = "0.21", optional = true }
+base64 = { version = "0.22", optional = true }
 cfg-if = "1"
 drain_filter_polyfill = "0.1"
 futures = "0.3"
diff --git a/leptos_reactive/Cargo.toml b/leptos_reactive/Cargo.toml
index 8db424dd7..0e8d8ef40 100644
--- a/leptos_reactive/Cargo.toml
+++ b/leptos_reactive/Cargo.toml
@@ -28,7 +28,7 @@ rustc-hash = "1"
 serde-wasm-bindgen = "0.6"
 serde_json = "1"
 spin-sdk = { version = "2", optional = true }
-base64 = "0.21"
+base64 = "0.22"
 thiserror = "1"
 tokio = { version = "1", features = [
   "rt",