diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 734431d..e1f4b84 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_9_arguments_override: "--explicit-target-dependency-import-check error"
       linux_5_10_arguments_override: "--explicit-target-dependency-import-check error"
       linux_6_0_arguments_override: "--explicit-target-dependency-import-check error"
       linux_6_1_arguments_override: "--explicit-target-dependency-import-check error"
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index f8cd56a..0abcaf0 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -15,7 +15,6 @@ jobs:
     name: Unit tests
     uses: ./.github/workflows/unit_tests.yml
     with:
-      linux_5_9_arguments_override: "--explicit-target-dependency-import-check error"
       linux_5_10_arguments_override: "--explicit-target-dependency-import-check error"
       linux_6_0_arguments_override: "--explicit-target-dependency-import-check error"
       linux_6_1_arguments_override: "--explicit-target-dependency-import-check error"
diff --git a/Benchmarks/Package.swift b/Benchmarks/Package.swift
index 20ba4f8..3c49bcc 100644
--- a/Benchmarks/Package.swift
+++ b/Benchmarks/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.9
+// swift-tools-version:5.10
 //===----------------------------------------------------------------------===//
 //
 // This source file is part of the SwiftCertificates open source project
diff --git a/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Decrement_Request.p90.json b/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Decrement_Request.p90.json
deleted file mode 100644
index 8bf0410..0000000
--- a/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Decrement_Request.p90.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "mallocCountTotal" : 506
-}
\ No newline at end of file
diff --git a/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Delete_Request.p90.json b/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Delete_Request.p90.json
deleted file mode 100644
index 8bf0410..0000000
--- a/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Delete_Request.p90.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "mallocCountTotal" : 506
-}
\ No newline at end of file
diff --git a/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Increment_Request.p90.json b/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Increment_Request.p90.json
deleted file mode 100644
index a27ca15..0000000
--- a/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Increment_Request.p90.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "mallocCountTotal" : 507
-}
\ No newline at end of file
diff --git a/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Set_Request.p90.json b/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Set_Request.p90.json
deleted file mode 100644
index 54fd8e4..0000000
--- a/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Set_Request.p90.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "mallocCountTotal" : 578
-}
\ No newline at end of file
diff --git a/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Set_with_TTL_Request.p90.json b/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Set_with_TTL_Request.p90.json
deleted file mode 100644
index 54fd8e4..0000000
--- a/Benchmarks/Thresholds/5.9/MemcacheBenchmarks.Set_with_TTL_Request.p90.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "mallocCountTotal" : 578
-}
\ No newline at end of file
diff --git a/Package.swift b/Package.swift
index 7de36fe..4c23692 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version: 5.9
+// swift-tools-version:5.10
 //===----------------------------------------------------------------------===//
 //
 // This source file is part of the swift-memcache-gsoc open source project