diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 35e18428..ab601843 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -19,9 +19,6 @@ jobs:
 
       - name: Setup
         run: |
-          rustup install nightly
-          rustup default nightly
-          rustup component add clippy rustfmt
           cargo install sqlx-cli
           cd backend
           sqlx database create --database-url sqlite://db.sqlite3
@@ -44,7 +41,7 @@ jobs:
           cd backend
           cargo test --verbose
           cd sync_lib
-          # wasm-pack test --node # todo: fix this in CI
+          wasm-pack test --node
 
       - name: Lint frontend
         run: |
@@ -62,3 +59,12 @@ jobs:
         run: |
           cd frontend
           npm run test
+
+      - name: E2E tests
+        run: |
+          cd ../backend
+          UST_BACKTRACE=1 cargo run -p sync_server &
+          cd -
+
+          npm run build
+          test-client/run.sh 32
diff --git a/.github/workflows/publish-plugin.yml b/.github/workflows/publish-plugin.yml
index f1c816ff..c21d986e 100644
--- a/.github/workflows/publish-plugin.yml
+++ b/.github/workflows/publish-plugin.yml
@@ -23,8 +23,6 @@ jobs:
       - name: Build wasm
         run: |
           cd backend
-          rustup install nightly
-          rustup default nightly
           cargo install wasm-pack
           wasm-pack build --target web sync_lib
 
diff --git a/backend/Dockerfile b/backend/Dockerfile
index 8d2fdc46..c26c125d 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -3,8 +3,6 @@ FROM rust:1.83 AS builder
 WORKDIR /usr/src/backend
 
 RUN apt update && apt install -y musl-tools
-RUN rustup install nightly && rustup default nightly
-RUN rustup target add x86_64-unknown-linux-musl
 RUN cargo install sqlx-cli
 
 COPY . .
diff --git a/backend/rust-toolchain.toml b/backend/rust-toolchain.toml
index 46870171..8e466642 100644
--- a/backend/rust-toolchain.toml
+++ b/backend/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
 channel = "nightly-2025-03-14"
-targets = [ "x86_64-unknown-linux-gnu" ]
+targets = [ "x86_64-unknown-linux-gnu", "x86_64-unknown-linux-musl" ]
 profile = "default"