diff --git a/ci/docker-rust-nightly/Dockerfile b/ci/docker-rust-nightly/Dockerfile
index 23262061e4..a5d933b2a2 100644
--- a/ci/docker-rust-nightly/Dockerfile
+++ b/ci/docker-rust-nightly/Dockerfile
@@ -1,4 +1,4 @@
-FROM solanalabs/rust:1.72.1
+FROM solanalabs/rust:1.73.0
 ARG date
 
 RUN set -x \
diff --git a/ci/docker-rust/Dockerfile b/ci/docker-rust/Dockerfile
index e5d80f9e04..8dfc347d54 100644
--- a/ci/docker-rust/Dockerfile
+++ b/ci/docker-rust/Dockerfile
@@ -1,6 +1,6 @@
 # Note: when the rust version is changed also modify
 # ci/rust-version.sh to pick up the new image tag
-FROM rust:1.72.1
+FROM rust:1.73.0
 
 ARG NODE_MAJOR=18
 
diff --git a/ci/rust-version.sh b/ci/rust-version.sh
index 76f929277b..a38910accd 100644
--- a/ci/rust-version.sh
+++ b/ci/rust-version.sh
@@ -29,7 +29,7 @@ fi
 if [[ -n $RUST_NIGHTLY_VERSION ]]; then
   nightly_version="$RUST_NIGHTLY_VERSION"
 else
-  nightly_version=2023-09-20
+  nightly_version=2023-10-05
 fi
 
 
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 7eb23c42c2..8142c30126 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.72.1"
+channel = "1.73.0"