diff --git a/chain-prometheus-exporter/Cargo.lock b/chain-prometheus-exporter/Cargo.lock
index 4acb12ff..f6db718f 100644
--- a/chain-prometheus-exporter/Cargo.lock
+++ b/chain-prometheus-exporter/Cargo.lock
@@ -534,7 +534,7 @@ checksum = "fd16c4719339c4530435d38e511904438d07cce7950afa3718a84ac36c10e89e"
 
 [[package]]
 name = "chain-prometheus-exporter"
-version = "1.2.2"
+version = "1.2.3"
 dependencies = [
  "anyhow",
  "axum",
diff --git a/chain-prometheus-exporter/Cargo.toml b/chain-prometheus-exporter/Cargo.toml
index 959bee23..c452f91a 100644
--- a/chain-prometheus-exporter/Cargo.toml
+++ b/chain-prometheus-exporter/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "chain-prometheus-exporter"
-version = "1.2.2"
+version = "1.2.3"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/chain-prometheus-exporter/scripts/build.Dockerfile b/chain-prometheus-exporter/scripts/build.Dockerfile
index fc616f17..7f8e5c59 100644
--- a/chain-prometheus-exporter/scripts/build.Dockerfile
+++ b/chain-prometheus-exporter/scripts/build.Dockerfile
@@ -1,5 +1,5 @@
-ARG build_image
-ARG base_image
+ARG build_image=rust:1.76-buster
+ARG base_image=debian:buster-slim
 FROM ${build_image} AS build
 
 WORKDIR /build