diff --git a/envoyfilter/Dockerfile b/envoyfilter/Dockerfile
index 5e542c54..d1d14440 100644
--- a/envoyfilter/Dockerfile
+++ b/envoyfilter/Dockerfile
@@ -1,5 +1,6 @@
 # build filter using rust toolchain
 FROM rust:1.80.0 as builder
+RUN rustup -v target add wasm32-wasi
 WORKDIR /envoyfilter
 COPY envoyfilter/src /envoyfilter/src
 COPY envoyfilter/Cargo.toml /envoyfilter/
@@ -7,7 +8,6 @@ COPY envoyfilter/Cargo.lock /envoyfilter/
 COPY open-message-format /open-message-format
 COPY public-types /public-types
 
-RUN rustup -v target add wasm32-wasi
 RUN cargo build --release --target wasm32-wasi
 
 # copy built filter into envoy image