diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index ffbfdd8..6b63f13 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -32,33 +32,39 @@ jobs:
       - name: Cache Dependencies
         uses: Swatinem/rust-cache@v2.2.0
 
-      - name: Create test DBs
+      - name: Install DB CLI tools
+        run: |
+          cargo install sqlx-cli --no-default-features --features=rustls,sqlite
+          cargo install diesel_cli --no-default-features --features sqlite
+
+      - name: Create Test DBs
+        env:
+          DATABASE_URL: sqlite://./todo.db
         run: |
           sudo apt-get update && sudo apt-get install sqlite3
-          cargo install sqlx-cli --no-default-features --features=rustls,sqlite
           cd basics/todo
-          DATABASE_URL="sqlite://./todo.db" sqlx database create
+          sqlx database create
           chmod a+rwx todo.db
-          DATABASE_URL="sqlite://./todo.db" sqlx migrate run
+          sqlx migrate run
 
       - name: cargo check
-        uses: actions-rs/cargo@v1
+        run: cargo check --workspace --bins --examples --tests
         timeout-minutes: 30
-        with:
-          command: check
-          args: --workspace --bins --examples --tests
 
-      - name: start redis
+      - name: Start Redis
         uses: supercharge/redis-github-action@1.1.0
         with: { redis-version: 6 }
 
-      # - name: run diesel migrations
-      #   run: |
-      #     cargo install diesel_cli --no-default-features --features sqlite
-      #     cd databases/diesel
-      #     diesel migration run
-      #     chmod a+rwx test.db
-
       - name: cargo test
-        run: cargo test --workspace --all-features --no-fail-fast -- --nocapture
+        run: cargo test --workspace --all-features --no-fail-fast --exclude=diesel-example -- --nocapture
         timeout-minutes: 30
+
+      - name: cargo test (diesel)
+        env:
+          DATABASE_URL: test.db
+        run: |
+          cd databases/diesel
+          diesel migration run
+          chmod a+rwx test.db
+          cargo test -p=diesel-example --all-features --no-fail-fast -- --nocapture
+        timeout-minutes: 10
diff --git a/Cargo.lock b/Cargo.lock
index ad63934..1985cbc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5118,7 +5118,8 @@ dependencies = [
 [[package]]
 name = "r2d2_mysql"
 version = "23.0.0"
-source = "git+https://github.com/outersky/r2d2-mysql.git?rev=v23.0.0#5827ac32742f505d60590707e1f79ba735668dca"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9733d738ce65959a744f387bae69aa690a867e18d48e5486b171c47bc7b0c575"
 dependencies = [
  "mysql",
  "r2d2",
diff --git a/Cargo.toml b/Cargo.toml
index cdf58bb..42339b2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -63,7 +63,3 @@ members = [
    "websockets/echo",
 ]
 resolver = "2"
-
-[patch.crates-io.r2d2_mysql]
-git = "https://github.com/outersky/r2d2-mysql.git"
-rev = "v23.0.0"
diff --git a/auth/redis-session/Cargo.toml b/auth/redis-session/Cargo.toml
index a3518fb..fc88280 100644
--- a/auth/redis-session/Cargo.toml
+++ b/auth/redis-session/Cargo.toml
@@ -13,5 +13,5 @@ serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 
 [dev-dependencies]
-actix-test = "0.1.0-beta.11"
-time = "0.3.7"
+actix-test = "0.1"
+time = "0.3"
diff --git a/databases/diesel/src/main.rs b/databases/diesel/src/main.rs
index fc621a7..c2078dc 100644
--- a/databases/diesel/src/main.rs
+++ b/databases/diesel/src/main.rs
@@ -100,8 +100,8 @@ mod tests {
         env_logger::init();
         dotenv::dotenv().ok();
 
-        let connspec = std::env::var("DATABASE_URL").expect("DATABASE_URL");
-        let manager = ConnectionManager::<SqliteConnection>::new(connspec);
+        let conn_spec = std::env::var("DATABASE_URL").expect("DATABASE_URL");
+        let manager = ConnectionManager::<SqliteConnection>::new(conn_spec);
         let pool = r2d2::Pool::builder()
             .build(manager)
             .expect("Failed to create pool.");