diff --git a/.github/workflows/ci-linux.yml b/.github/workflows/ci-linux.yml
index d254443..0a608bf 100644
--- a/.github/workflows/ci-linux.yml
+++ b/.github/workflows/ci-linux.yml
@@ -30,7 +30,7 @@ jobs:
       - name: Generate coverage report
         run: llvm-cov export -format="lcov" .build/debug/*PackageTests.xctest -instr-profile .build/debug/codecov/default.profdata > coverage.lcov
       - name: Upload code coverage report
-        uses: codecov/codecov-action@master
+        uses: codecov/codecov-action@v1.5.2
         with:
           token: ${{secrets.CODECOV_TOKEN}}
           file: coverage.lcov
diff --git a/.github/workflows/ci-macos.yml b/.github/workflows/ci-macos.yml
index f4fa006..d0363e6 100644
--- a/.github/workflows/ci-macos.yml
+++ b/.github/workflows/ci-macos.yml
@@ -32,7 +32,7 @@ jobs:
       - name: Generate coverage report
         run: xcrun llvm-cov export -format="lcov" .build/debug/*PackageTests.xctest/Contents/MacOS/*PackageTests -instr-profile .build/debug/codecov/default.profdata > coverage.lcov
       - name: Upload code coverage report
-        uses: codecov/codecov-action@master
+        uses: codecov/codecov-action@v1.5.2
         with:
           token: ${{secrets.CODECOV_TOKEN}}
           file: coverage.lcov
diff --git a/Sources/FirebladeECS/FamilyMemberBuilder.swift b/Sources/FirebladeECS/FamilyMemberBuilder.swift
index c1c79bf..044cc54 100644
--- a/Sources/FirebladeECS/FamilyMemberBuilder.swift
+++ b/Sources/FirebladeECS/FamilyMemberBuilder.swift
@@ -5,6 +5,10 @@
 //  Created by Christian Treffs on 07.08.20.
 //
 
+#if swift(<5.4)
 @_functionBuilder
-public enum FamilyMemberBuilderPreview<R> where R: FamilyRequirementsManaging { }
-public typealias FamilyMemberBuilder<R> = FamilyMemberBuilderPreview<R> where R: FamilyRequirementsManaging
+public enum FamilyMemberBuilder<R> where R: FamilyRequirementsManaging { }
+#else
+@resultBuilder
+public enum FamilyMemberBuilder<R> where R: FamilyRequirementsManaging { }
+#endif
diff --git a/Sources/FirebladeECS/Nexus+ComponentsBuilder.swift b/Sources/FirebladeECS/Nexus+ComponentsBuilder.swift
index e48bab5..ce4b293 100644
--- a/Sources/FirebladeECS/Nexus+ComponentsBuilder.swift
+++ b/Sources/FirebladeECS/Nexus+ComponentsBuilder.swift
@@ -5,9 +5,13 @@
 //  Created by Christian Treffs on 30.07.20.
 //
 
+#if swift(<5.4)
 @_functionBuilder
-public enum ComponentsBuilderPreview { }
-public typealias ComponentsBuilder = ComponentsBuilderPreview
+public enum ComponentsBuilder { }
+#else
+@resultBuilder
+public enum ComponentsBuilder { }
+#endif
 
 extension ComponentsBuilder {
     public static func buildBlock(_ components: Component...) -> [Component] {