diff --git a/csharp/ql/integration-tests/all-platforms/blazor/global.json b/csharp/ql/integration-tests/all-platforms/blazor/global.json
new file mode 100644
index 00000000000..d488208a2a7
--- /dev/null
+++ b/csharp/ql/integration-tests/all-platforms/blazor/global.json
@@ -0,0 +1,5 @@
+{
+    "sdk": {
+        "version": "9.0.304"
+    }
+}
diff --git a/csharp/ql/integration-tests/all-platforms/blazor_build_mode_none/global.json b/csharp/ql/integration-tests/all-platforms/blazor_build_mode_none/global.json
new file mode 100644
index 00000000000..d488208a2a7
--- /dev/null
+++ b/csharp/ql/integration-tests/all-platforms/blazor_build_mode_none/global.json
@@ -0,0 +1,5 @@
+{
+    "sdk": {
+        "version": "9.0.304"
+    }
+}
diff --git a/csharp/ql/integration-tests/all-platforms/blazor_net_8/global.json b/csharp/ql/integration-tests/all-platforms/blazor_net_8/global.json
new file mode 100644
index 00000000000..402fd849691
--- /dev/null
+++ b/csharp/ql/integration-tests/all-platforms/blazor_net_8/global.json
@@ -0,0 +1,5 @@
+{
+    "sdk": {
+        "version": "8.0.401"
+    }
+}
\ No newline at end of file
diff --git a/csharp/ql/integration-tests/all-platforms/dotnet_10/test.py b/csharp/ql/integration-tests/all-platforms/dotnet_10/test.py
index 903d3430061..4c624cff4f2 100644
--- a/csharp/ql/integration-tests/all-platforms/dotnet_10/test.py
+++ b/csharp/ql/integration-tests/all-platforms/dotnet_10/test.py
@@ -1,5 +1,9 @@
+import pytest
+
+@pytest.mark.flaky(rerun_filter=lambda args*: runs_on.macos)
 def test1(codeql, csharp):
     codeql.database.create()
 
+@pytest.mark.flaky(rerun_filter=lambda args*: runs_on.macos)
 def test2(codeql, csharp):
     codeql.database.create(build_mode="none")
diff --git a/csharp/ql/integration-tests/all-platforms/standalone_failed/global.json b/csharp/ql/integration-tests/all-platforms/standalone_failed/global.json
new file mode 100644
index 00000000000..4c6e2601f69
--- /dev/null
+++ b/csharp/ql/integration-tests/all-platforms/standalone_failed/global.json
@@ -0,0 +1,5 @@
+{
+  "sdk": {
+    "version": "9.0.304"
+  }
+}
diff --git a/csharp/ql/integration-tests/posix/standalone_dependencies_nuget_config_error_timeout/global.json b/csharp/ql/integration-tests/posix/standalone_dependencies_nuget_config_error_timeout/global.json
new file mode 100644
index 00000000000..d488208a2a7
--- /dev/null
+++ b/csharp/ql/integration-tests/posix/standalone_dependencies_nuget_config_error_timeout/global.json
@@ -0,0 +1,5 @@
+{
+    "sdk": {
+        "version": "9.0.304"
+    }
+}
diff --git a/csharp/ql/integration-tests/posix/standalone_dependencies_nuget_config_fallback/global.json b/csharp/ql/integration-tests/posix/standalone_dependencies_nuget_config_fallback/global.json
new file mode 100644
index 00000000000..d488208a2a7
--- /dev/null
+++ b/csharp/ql/integration-tests/posix/standalone_dependencies_nuget_config_fallback/global.json
@@ -0,0 +1,5 @@
+{
+    "sdk": {
+        "version": "9.0.304"
+    }
+}