diff --git a/Dockerfile.migrate b/Dockerfile.migrate
index 77194b5..5158398 100644
--- a/Dockerfile.migrate
+++ b/Dockerfile.migrate
@@ -2,8 +2,11 @@ FROM registry.nxtgauge.com/rust:alpine AS builder
 
 WORKDIR /app
 
-RUN command -v cargo >/dev/null 2>&1 || apk add --no-cache cargo rust
-RUN apk add --no-cache musl-dev pkgconfig openssl-dev
+RUN apk add --no-cache curl ca-certificates bash build-base musl-dev pkgconfig openssl-dev openssl-libs-static
+RUN update-ca-certificates
+RUN curl -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain stable
+ENV PATH="/root/.cargo/bin:${PATH}"
+RUN rustup target add x86_64-unknown-linux-musl
 
 COPY Cargo.toml Cargo.lock ./
 COPY crates/db-migrate ./crates/db-migrate
@@ -12,12 +15,14 @@ COPY crates/cache ./crates/cache
 COPY crates/email ./crates/email
 
 WORKDIR /app/crates/db-migrate
-RUN cargo build --release --bin db-migrate
+ENV OPENSSL_STATIC=1
+ENV OPENSSL_DIR=/usr
+RUN cargo build --release --bin db-migrate --target x86_64-unknown-linux-musl
 
 FROM alpine:3.19
 RUN apk add --no-cache ca-certificates libpq
 
-COPY --from=builder /app/crates/db-migrate/target/release/db-migrate /usr/local/bin/
+COPY --from=builder /app/crates/db-migrate/target/x86_64-unknown-linux-musl/release/db-migrate /usr/local/bin/
 COPY crates/db/migrations /migrations
 
 ENTRYPOINT ["db-migrate"]
diff --git a/Dockerfile.simple b/Dockerfile.simple
index 6ce24ae..aba206f 100644
--- a/Dockerfile.simple
+++ b/Dockerfile.simple
@@ -6,9 +6,12 @@ ARG SERVICE_NAME
 FROM registry.nxtgauge.com/rust:alpine AS builder
 ARG SERVICE_NAME
 
-# Install deps
-RUN command -v cargo >/dev/null 2>&1 || apk add --no-cache cargo rust
-RUN apk add --no-cache musl-dev pkgconfig openssl-dev openssl-libs-static
+# Install build deps + rust toolchain (Alpine-packaged Rust lacks proc-macro support)
+RUN apk add --no-cache curl ca-certificates bash build-base musl-dev pkgconfig openssl-dev openssl-libs-static
+RUN update-ca-certificates
+RUN curl -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain stable
+ENV PATH="/root/.cargo/bin:${PATH}"
+RUN rustup target add x86_64-unknown-linux-musl
 
 WORKDIR /app
 
@@ -46,8 +49,9 @@ ENV RUSTFLAGS="-C target-feature=+crt-static -C link-arg=-s"
 ENV OPENSSL_STATIC=1
 ENV OPENSSL_DIR=/usr
 RUN cargo build --release \
-    --bin $(cat /tmp/service_bin) && \
-    cp /app/target/release/$(cat /tmp/service_bin) /app/service
+    --bin $(cat /tmp/service_bin) \
+    --target x86_64-unknown-linux-musl && \
+    cp /app/target/x86_64-unknown-linux-musl/release/$(cat /tmp/service_bin) /app/service
 
 # Runtime
 FROM scratch