diff --git a/src/meta/Cargo.toml b/src/meta/Cargo.toml
index 252659e3fa686..2841b4e088753 100644
--- a/src/meta/Cargo.toml
+++ b/src/meta/Cargo.toml
@@ -85,7 +85,7 @@ url = "2"
 uuid = { version = "1", features = ["v4"] }
 
 [target.'cfg(not(madsim))'.dependencies]
-axum = "=0.7.4"
+axum = "=0.7.4" # TODO: 0.7.5+ does not work with current toolchain
 tower-http = { version = "0.5", features = [
     "add-extension",
     "cors",
diff --git a/src/meta/dashboard/Cargo.toml b/src/meta/dashboard/Cargo.toml
index 99a74ab7aef91..121485c904f06 100644
--- a/src/meta/dashboard/Cargo.toml
+++ b/src/meta/dashboard/Cargo.toml
@@ -10,7 +10,7 @@ repository = { workspace = true }
 
 [dependencies]
 anyhow = "1"
-axum = "=0.7.4"
+axum = "=0.7.4" # TODO: 0.7.5+ does not work with current toolchain
 bytes = "1"
 hyper = "1"
 mime_guess = "2"