diff --git a/.github/workflows/docker.rust.yml b/.github/workflows/docker.rust.yml
index 22b4397..190d115 100644
--- a/.github/workflows/docker.rust.yml
+++ b/.github/workflows/docker.rust.yml
@@ -5,6 +5,7 @@ on:
   push:
     branches: [ "main" ]
     paths:
+      - 'Dockerfile.rust'
       - '.github/workflows/docker.rust.yml'
       - 'crates/**'
 
diff --git a/Dockerfile.rust b/Dockerfile.rust
index ab2833f..22dd136 100644
--- a/Dockerfile.rust
+++ b/Dockerfile.rust
@@ -46,16 +46,16 @@ ENV PATH="/root/.cargo/bin:${PATH}"
 COPY crates crates
 
 WORKDIR /root/crates/tabby
-RUN mkdir -p target
-RUN --mount=type=cache,target=/usr/local/cargo/registry \
-    --mount=type=cache,target=/root/crates/tabby/target \
-    cargo build --release
 
 RUN mkdir -p /opt/tabby/bin
-RUN cp target/release/tabby /opt/tabby/bin/
-
 RUN mkdir -p /opt/tabby/lib
-RUN cp $(dirname $(find target | grep lib/libctranslate2 | head -1))/libctranslate2* /opt/tabby/lib
+RUN mkdir -p target
+
+RUN --mount=type=cache,target=/usr/local/cargo/registry \
+    --mount=type=cache,target=/root/crates/tabby/target \
+    cargo build --release && \
+    cp target/release/tabby /opt/tabby/bin/ && \
+    cp $(dirname $(find target | grep lib/libctranslate2 | head -1))/libctranslate2* /opt/tabby/lib
 
 FROM nvidia/cuda:11.2.2-base-ubuntu20.04