diff --git a/1.20/main/Dockerfile b/1.20/main/Dockerfile
index afdc8d0..ec3d3c7 100644
--- a/1.20/main/Dockerfile
+++ b/1.20/main/Dockerfile
@@ -1,3 +1,7 @@
+FROM rust:latest as rustbuilder
+
+RUN cargo install --git https://github.com/indygreg/apple-platform-rs --branch main --bin rcodesign apple-codesign
+
 FROM        quay.io/prometheus/golang-builder:1.20-base
 MAINTAINER  The Prometheus Authors <prometheus-developers@googlegroups.com>
 
@@ -26,8 +30,9 @@ RUN \
         libc6-riscv64-cross linux-libc-dev-riscv64-cross \
     && rm -rf /var/lib/apt/lists/* \
     && mkdir -p /tmp/osxcross \
-    && curl https://sh.rustup.rs -sSf | sh -s -- -y
+    && mkdir -p /root/.cargo
     
+COPY --from=rustbuilder /root/.cargo/bin /root/.cargo/bin
 
 ARG PROM_OSX_SDK_URL
 ENV OSXCROSS_PATH=/usr/osxcross \
diff --git a/1.21/main/Dockerfile b/1.21/main/Dockerfile
index 728a75a..6f3d099 100644
--- a/1.21/main/Dockerfile
+++ b/1.21/main/Dockerfile
@@ -1,3 +1,7 @@
+FROM rust:latest as rustbuilder
+
+RUN cargo install --git https://github.com/indygreg/apple-platform-rs --branch main --bin rcodesign apple-codesign
+
 FROM        quay.io/prometheus/golang-builder:1.21-base
 MAINTAINER  The Prometheus Authors <prometheus-developers@googlegroups.com>
 
@@ -26,8 +30,9 @@ RUN \
         libc6-riscv64-cross linux-libc-dev-riscv64-cross \
     && rm -rf /var/lib/apt/lists/* \
     && mkdir -p /tmp/osxcross \
-    # Install rust separately, because debian bookworm does not ship newer than 1.63.0
-    && curl https://sh.rustup.rs -sSf | sh -s -- -y
+    && mkdir -p /root/.cargo
+
+COPY --from=rustbuilder /root/.cargo/bin /root/.cargo/bin
 
 ARG PROM_OSX_SDK_URL
 ENV OSXCROSS_PATH=/usr/osxcross \
@@ -49,6 +54,4 @@ WORKDIR /app
 
 ENV PATH /root/.cargo/bin:$OSXCROSS_PATH/bin:$PATH
 
-RUN cargo install --git https://github.com/indygreg/apple-platform-rs --branch main --bin rcodesign apple-codesign
-
 COPY rootfs /