diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 209e4973..aa703646 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,6 +33,7 @@ jobs:
       - run: ./.github/gh-actions-runner-xcode-select.sh
       - run: brew install swiftly bash
       - run: swiftly init --skip-install --assume-yes --verbose && swiftly install
+      - run: swiftly run swift --version
       - run: ./build-debug.sh
       - run: ./test.sh
 
@@ -52,6 +53,7 @@ jobs:
       - run: ./.github/gh-actions-runner-xcode-select.sh
       - run: brew install bash fish xcbeautify swiftly
       - run: swiftly init --skip-install --assume-yes --verbose && swiftly install
+      - run: swiftly run swift --version
       - name: './build-release.sh'
         run: |
           # "-" means "Sign to run locally". There is no aerospace-codesign-certificate on GH Actions
diff --git a/Sources/AppBundle/model/Json.swift b/Sources/AppBundle/model/Json.swift
index 9eba9943..27d90a77 100644
--- a/Sources/AppBundle/model/Json.swift
+++ b/Sources/AppBundle/model/Json.swift
@@ -32,7 +32,7 @@ enum Json: Encodable, Equatable {
             case let value as [Any?]: .array(value.map(newOrDieRecursive))
             default:
                 newScalarOrNil(value)
-                    ?? dieT("Can't parse \(String(describing: value)) (\(Swift::type(of: value))) to JSON")
+                    ?? dieT("Can't parse \(String(describing: value)) (\(Swift.type(of: value))) to JSON")
         }
     }
 
diff --git a/Sources/AppBundle/tree/MacApp.swift b/Sources/AppBundle/tree/MacApp.swift
index 89937482..7f764d06 100644
--- a/Sources/AppBundle/tree/MacApp.swift
+++ b/Sources/AppBundle/tree/MacApp.swift
@@ -162,13 +162,13 @@ final class MacApp: AbstractApp {
     }
 
     func getAxRect(_ windowId: UInt32) async throws -> Rect? {
-        try await withWindow(windowId) { window, job in try AppBundle::getAxRect(window: window, job: job) }
+        try await withWindow(windowId) { window, job in try AppBundle.getAxRect(window: window, job: job) }
     }
 
     func getAxRectForTermination(_ windowId: UInt32) -> Rect? {
         let future = CompletableFuture<Rect?>()
         let job = withWindowAsync(windowId) { window, job in
-            future.complete(try AppBundle::getAxRect(window: window, job: job))
+            future.complete(try AppBundle.getAxRect(window: window, job: job))
         }
         return switch job.isCancelled {
             case true: nil
diff --git a/Sources/AppBundleTests/AxUiElementWindowTypeTest.swift b/Sources/AppBundleTests/AxUiElementWindowTypeTest.swift
index 9e2a0fdb..30fdfd8c 100644
--- a/Sources/AppBundleTests/AxUiElementWindowTypeTest.swift
+++ b/Sources/AppBundleTests/AxUiElementWindowTypeTest.swift
@@ -42,7 +42,7 @@ extension [String: Json]: AxUiElementMock {
         }
         if let value = value.rawValue {
             return attr.getter(value as AnyObject)
-                ?? dieT("Value \(value) (of type \(Swift::type(of: value))) isn't convertible to \(attr.key)")
+                ?? dieT("Value \(value) (of type \(Swift.type(of: value))) isn't convertible to \(attr.key)")
         } else {
             return nil
         }
diff --git a/Sources/Common/cmdArgs/splitArgs.swift b/Sources/Common/cmdArgs/splitArgs.swift
index 7ed3ae37..acd4b863 100644
--- a/Sources/Common/cmdArgs/splitArgs.swift
+++ b/Sources/Common/cmdArgs/splitArgs.swift
@@ -49,7 +49,7 @@ private enum State {
 extension [String] {
     public func joinArgs() -> String {
         self.map { arg in
-            lazy var containsWhitespaces = arg.rangeOfCharacter(from: .whitespacesAndNewlines) != nil
+            let containsWhitespaces = arg.rangeOfCharacter(from: .whitespacesAndNewlines) != nil
             let containsSingleQuote = arg.contains("'")
             let containsDoubleQuote = arg.contains("\"")
             return switch true {