diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 02385dd..2af943e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -11,7 +11,6 @@ jobs:
     name: Unit tests
     uses: ./.github/workflows/unit_tests.yml
     with:
-      linux_5_10_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -strict-concurrency=complete"
       linux_6_0_arguments_override: "--explicit-target-dependency-import-check error"
       linux_6_1_arguments_override: "--explicit-target-dependency-import-check error"
       linux_nightly_next_arguments_override: "--explicit-target-dependency-import-check error"
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 0e1feb6..62e4787 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -16,7 +16,6 @@ jobs:
     name: Unit tests
     uses: ./.github/workflows/unit_tests.yml
     with:
-      linux_5_10_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -strict-concurrency=complete"
       linux_6_0_arguments_override: "--explicit-target-dependency-import-check error"
       linux_6_1_arguments_override: "--explicit-target-dependency-import-check error"
       linux_nightly_next_arguments_override: "--explicit-target-dependency-import-check error"
diff --git a/Package.swift b/Package.swift
index e5c3d1b..12511fb 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.10
+// swift-tools-version:6.0
 
 import PackageDescription