diff --git a/java/ql/integration-tests/all-platforms/kotlin/compiler_arguments/force_sequential_test_execution b/java/ql/integration-tests/all-platforms/kotlin/compiler_arguments/force_sequential_test_execution
new file mode 100644
index 00000000000..b0e2500b259
--- /dev/null
+++ b/java/ql/integration-tests/all-platforms/kotlin/compiler_arguments/force_sequential_test_execution
@@ -0,0 +1,3 @@
+# We currently have a bug where gradle tests become flaky when executed in parallel
+# - sometimes, gradle fails to connect to the gradle daemon.
+# Therefore, force this test to run sequentially.
diff --git a/java/ql/integration-tests/all-platforms/kotlin/gradle_groovy_app/force_sequential_test_execution b/java/ql/integration-tests/all-platforms/kotlin/gradle_groovy_app/force_sequential_test_execution
new file mode 100644
index 00000000000..b0e2500b259
--- /dev/null
+++ b/java/ql/integration-tests/all-platforms/kotlin/gradle_groovy_app/force_sequential_test_execution
@@ -0,0 +1,3 @@
+# We currently have a bug where gradle tests become flaky when executed in parallel
+# - sometimes, gradle fails to connect to the gradle daemon.
+# Therefore, force this test to run sequentially.
diff --git a/java/ql/integration-tests/all-platforms/kotlin/gradle_kotlinx_serialization/force_sequential_test_execution b/java/ql/integration-tests/all-platforms/kotlin/gradle_kotlinx_serialization/force_sequential_test_execution
new file mode 100644
index 00000000000..b0e2500b259
--- /dev/null
+++ b/java/ql/integration-tests/all-platforms/kotlin/gradle_kotlinx_serialization/force_sequential_test_execution
@@ -0,0 +1,3 @@
+# We currently have a bug where gradle tests become flaky when executed in parallel
+# - sometimes, gradle fails to connect to the gradle daemon.
+# Therefore, force this test to run sequentially.
diff --git a/java/ql/integration-tests/all-platforms/kotlin/kotlin_kfunction/force_sequential_test_execution b/java/ql/integration-tests/all-platforms/kotlin/kotlin_kfunction/force_sequential_test_execution
new file mode 100644
index 00000000000..b0e2500b259
--- /dev/null
+++ b/java/ql/integration-tests/all-platforms/kotlin/kotlin_kfunction/force_sequential_test_execution
@@ -0,0 +1,3 @@
+# We currently have a bug where gradle tests become flaky when executed in parallel
+# - sometimes, gradle fails to connect to the gradle daemon.
+# Therefore, force this test to run sequentially.