diff --git a/Cargo.lock b/Cargo.lock
index e8ff8bd..d4f8e46 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -184,9 +184,9 @@ checksum = "4288f83726785267c6f2ef073a3d83dc3f9b81464e9f99898240cced85fce35a"
 
 [[package]]
 name = "async-openai"
-version = "0.38.2"
+version = "0.40.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bb666d696156a8da537278ecb3195806d885edf25a573ce23ceec4dee2b0eee"
+checksum = "20beddcf5ca07bbe80bf3ee6fd6cf6ed937ff2e0829350fa03edc907f66d03f6"
 dependencies = [
  "async-openai-macros",
  "base64 0.22.1",
@@ -2667,7 +2667,7 @@ version = "5.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "51e219e79014df21a225b1860a479e2dcd7cbd9130f4defd4bd0e191ea31d67d"
 dependencies = [
- "base64 0.21.7",
+ "base64 0.22.1",
  "chrono",
  "getrandom 0.2.17",
  "http 1.4.0",
diff --git a/Cargo.toml b/Cargo.toml
index 9db99e4..c77ecec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ path = "src/lib.rs"
 [dependencies]
 anthropic = { git = "https://github.com/etkecc/anthropic-rs.git", branch = "fix-content-block-image" }
 anyhow = "1.0.*"
-async-openai = { version = "0.38.0", features = ["audio", "chat-completion", "image", "responses"] }
+async-openai = { version = "0.40.0", features = ["audio", "chat-completion", "image", "responses"] }
 base64 = "0.22.*"
 chrono = { version = "0.4.*", default-features = false, features = ["std", "now"] }
 # We'd rather not depend on this, but we cannot use the ruma-events EventContent macro without it.