diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ccfd80f58..571ee9bd2 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,6 +14,7 @@ jobs:
       linux_5_9_enabled: false
       linux_5_10_enabled: false
       linux_6_0_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
+      linux_6_1_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
       linux_nightly_next_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
       linux_nightly_main_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
 
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index d923455d6..efb4dc4b9 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -23,6 +23,7 @@ jobs:
       linux_5_9_enabled: false
       linux_5_10_enabled: false
       linux_6_0_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
+      linux_6_1_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
       linux_nightly_next_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
       linux_nightly_main_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
 
diff --git a/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Add_binary.p90.json b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Add_binary.p90.json
new file mode 100644
index 000000000..b642696c1
--- /dev/null
+++ b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Add_binary.p90.json
@@ -0,0 +1,7 @@
+{
+  "mallocCountTotal" : 11,
+  "memoryLeaked" : 0,
+  "releaseCount" : 3012,
+  "retainCount" : 2000,
+  "syscalls" : 0
+}
diff --git a/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Add_string.p90.json b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Add_string.p90.json
new file mode 100644
index 000000000..7fde30a69
--- /dev/null
+++ b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Add_string.p90.json
@@ -0,0 +1,7 @@
+{
+  "mallocCountTotal" : 11,
+  "memoryLeaked" : 0,
+  "releaseCount" : 4012,
+  "retainCount" : 2000,
+  "syscalls" : 0
+}
diff --git a/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Iterate_all_values.p90.json b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Iterate_all_values.p90.json
new file mode 100644
index 000000000..1b1303873
--- /dev/null
+++ b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Iterate_all_values.p90.json
@@ -0,0 +1,7 @@
+{
+  "mallocCountTotal" : 0,
+  "memoryLeaked" : 0,
+  "releaseCount" : 3001,
+  "retainCount" : 1000,
+  "syscalls" : 0
+}
diff --git a/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Iterate_binary_values_when_only_binary_values_stored.p90.json b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Iterate_binary_values_when_only_binary_values_stored.p90.json
new file mode 100644
index 000000000..1b1303873
--- /dev/null
+++ b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Iterate_binary_values_when_only_binary_values_stored.p90.json
@@ -0,0 +1,7 @@
+{
+  "mallocCountTotal" : 0,
+  "memoryLeaked" : 0,
+  "releaseCount" : 3001,
+  "retainCount" : 1000,
+  "syscalls" : 0
+}
diff --git a/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Iterate_binary_values_when_only_strings_stored.p90.json b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Iterate_binary_values_when_only_strings_stored.p90.json
new file mode 100644
index 000000000..b59f05063
--- /dev/null
+++ b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Iterate_binary_values_when_only_strings_stored.p90.json
@@ -0,0 +1,7 @@
+{
+  "mallocCountTotal" : 2000,
+  "memoryLeaked" : 0,
+  "releaseCount" : 6001,
+  "retainCount" : 2000,
+  "syscalls" : 0
+}
diff --git a/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Iterate_string_values.p90.json b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Iterate_string_values.p90.json
new file mode 100644
index 000000000..1b1303873
--- /dev/null
+++ b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Iterate_string_values.p90.json
@@ -0,0 +1,7 @@
+{
+  "mallocCountTotal" : 0,
+  "memoryLeaked" : 0,
+  "releaseCount" : 3001,
+  "retainCount" : 1000,
+  "syscalls" : 0
+}
diff --git a/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Remove_values_for_key.p90.json b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Remove_values_for_key.p90.json
new file mode 100644
index 000000000..5750750bc
--- /dev/null
+++ b/IntegrationTests/Benchmarks/Thresholds/6.1/GRPCSwiftBenchmark.Metadata_Remove_values_for_key.p90.json
@@ -0,0 +1,7 @@
+{
+  "mallocCountTotal" : 0,
+  "memoryLeaked" : 0,
+  "releaseCount" : 2002001,
+  "retainCount" : 1999000,
+  "syscalls" : 0
+}
diff --git a/IntegrationTests/Benchmarks/Thresholds/nightly-6.1 b/IntegrationTests/Benchmarks/Thresholds/nightly-6.1
deleted file mode 120000
index 11e4d1b5c..000000000
--- a/IntegrationTests/Benchmarks/Thresholds/nightly-6.1
+++ /dev/null
@@ -1 +0,0 @@
-./nightly-next
\ No newline at end of file