diff --git a/Cargo.lock b/Cargo.lock
index 8b17678..633ab17 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1156,7 +1156,7 @@ version = "0.5.0"
 dependencies = [
  "anyhow",
  "async-trait",
- "base64 0.22.1",
+ "base64 0.23.1",
  "fs2",
  "futures-util",
  "glob",
diff --git a/crates/tinytools-std/Cargo.toml b/crates/tinytools-std/Cargo.toml
index 6aced59..0937882 100644
--- a/crates/tinytools-std/Cargo.toml
+++ b/crates/tinytools-std/Cargo.toml
@@ -14,7 +14,7 @@ publish = false
 anyhow = { workspace = true }
 async-trait = { workspace = true }
 # `image_info` base64 data URIs.
-base64 = "0.22"
+base64 = "0.23"
 # `curl` streams the response body chunk by chunk to disk.
 futures-util = { version = "0.3", default-features = false }
 # Advisory inter-process `flock` around the MEMORY.md read-modify-write.