diff --git a/Earthfile b/Earthfile
index 0b32ba7..47c135a 100644
--- a/Earthfile
+++ b/Earthfile
@@ -1,7 +1,7 @@
 VERSION 0.6
 
 # depName=rust datasource=docker
-ARG RUST_VERSION="1.72.1"
+ARG RUST_VERSION="1.73.0"
 
 ARG BASE_IMG=rust   # default image
 ARG BASE_TAG=${RUST_VERSION} # default tag
diff --git a/rust-toolchain b/rust-toolchain
index 7eb23c4..8142c30 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.72.1"
+channel = "1.73.0"