diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 381ae180a..e54df2021 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -60,6 +60,21 @@ jobs:
           DATABASE_HOST: postgres
           DATABASE_PORT: '5432'
 
+  release-build-linux:
+    name: Release build
+    runs-on: ubuntu-latest
+    container:
+      image: registry.gitlab.com/finestructure/spi-base:1.1.0
+      options: --privileged
+    steps:
+      - name: GH Runner bug workaround
+        run: sysctl -w vm.mmap_rnd_bits=28
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with: { 'fetch-depth': 0 }
+      - name: Build release
+        run: swift build -c release --static-swift-stdlib -Xlinker -ljemalloc
+
   # test-macos:
   #   name: Test macOS
   #   runs-on: macOS-latest
diff --git a/Sources/App/Core/Dependencies/HTTPClient.swift b/Sources/App/Core/Dependencies/HTTPClient.swift
index 0a7e06630..822cf7344 100644
--- a/Sources/App/Core/Dependencies/HTTPClient.swift
+++ b/Sources/App/Core/Dependencies/HTTPClient.swift
@@ -22,8 +22,8 @@ import Vapor
 struct HTTPClient {
     typealias Response = Vapor.HTTPClient.Response
 
-    var fetchDocumentation: @Sendable (_ url: URI) async throws -> Response = { _ in XCTFail("fetchDocumentation"); return .ok }
-    var fetchHTTPStatusCode: @Sendable (_ url: String) async throws -> HTTPStatus = { _ in XCTFail("fetchHTTPStatusCode"); return .ok }
+    var fetchDocumentation: @Sendable (_ url: URI) async throws -> Response
+    var fetchHTTPStatusCode: @Sendable (_ url: String) async throws -> HTTPStatus
 }
 
 extension HTTPClient: DependencyKey {