diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5f7c9ea..fa956fd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,12 +15,12 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        rust: [stable] # nightly doesn't build yet for wasm32-wasi
+        rust: [stable, nightly]
     steps:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          target: wasm32-wasi
+          target: wasm32-wasip1
           toolchain: ${{ matrix.rust }}
           components: rustfmt, clippy
       - name: Run cargo check
@@ -37,8 +37,14 @@ jobs:
           LOG_LEVEL: off
         run: |
           cd example
-          cargo build --target wasm32-wasi
+          cargo build --target wasm32-wasip1
           docker compose up --detach
+              
+          # Wait for Envoy to start
+          for i in {1..10}; do
+            curl -f http://localhost:10000/healthcheck && break || sleep 5
+          done
+
           cargo test --test request-e2e
           docker compose down
       - name: Run clippy
@@ -55,4 +61,4 @@ jobs:
         uses: actions-rs/cargo@v1
         with:
           command: build
-          args: --target wasm32-wasi --release
+          args: --target wasm32-wasip1 --release
diff --git a/README.md b/README.md
index a6acb3a..37ab477 100644
--- a/README.md
+++ b/README.md
@@ -7,15 +7,15 @@ Envoy filter written in Rust to provide Reponse Body Injection (RBI). This requi
 ## Build
 
 ```sh
-rustup target add wasm32-wasi
-cargo build --target wasm32-wasi
+rustup target add wasm32-wasip1
+cargo build --target wasm32-wasip1
 ```
 
 Release build
 
 ```sh
-rustup target add wasm32-wasi
-cargo build --target wasm32-wasi --release
+rustup target add wasm32-wasip1
+cargo build --target wasm32-wasip1 --release
 ```
 
 ## Usage
diff --git a/example/docker-compose.yaml b/example/docker-compose.yaml
index ce43ef8..6019e0a 100644
--- a/example/docker-compose.yaml
+++ b/example/docker-compose.yaml
@@ -10,7 +10,7 @@ services:
     volumes:
       - ./envoy.yaml:/etc/envoy/envoy.yaml
       # Use the release build in production
-      - ../target/wasm32-wasi/debug/envoy_rbi_filter.wasm:/etc/envoy/envoy_rbi_filter.wasm
+      - ../target/wasm32-wasip1/debug/envoy_rbi_filter.wasm:/etc/envoy/envoy_rbi_filter.wasm
     networks:
       - envoymesh
 
diff --git a/example/envoy.yaml b/example/envoy.yaml
index 929c5a3..24828e2 100644
--- a/example/envoy.yaml
+++ b/example/envoy.yaml
@@ -18,6 +18,11 @@ static_resources:
               domains:
               - "*"
               routes:
+              - match: /healthcheck
+                direct_response:
+                  status: 200
+                  body:
+                    inline_string: "OK\n"
               - match:
                   prefix: "/"
                 route: