diff --git a/lib/rules/no-node-access.ts b/lib/rules/no-node-access.ts
index 0027fcd3..faecf12e 100644
--- a/lib/rules/no-node-access.ts
+++ b/lib/rules/no-node-access.ts
@@ -41,6 +41,7 @@ export default createTestingLibraryRule<Options, MessageIds>({
 						type: 'boolean',
 					},
 				},
+				additionalProperties: false,
 			},
 		],
 	},
diff --git a/lib/rules/no-render-in-lifecycle.ts b/lib/rules/no-render-in-lifecycle.ts
index 1e1aee24..cb761378 100644
--- a/lib/rules/no-render-in-lifecycle.ts
+++ b/lib/rules/no-render-in-lifecycle.ts
@@ -72,6 +72,7 @@ export default createTestingLibraryRule<Options, MessageIds>({
 						type: 'string',
 					},
 				},
+				additionalProperties: false,
 			},
 		],
 	},
diff --git a/lib/rules/no-unnecessary-act.ts b/lib/rules/no-unnecessary-act.ts
index f80cf160..75fc9444 100644
--- a/lib/rules/no-unnecessary-act.ts
+++ b/lib/rules/no-unnecessary-act.ts
@@ -45,6 +45,7 @@ export default createTestingLibraryRule<Options, MessageIds>({
 						type: 'boolean',
 					},
 				},
+				additionalProperties: false,
 			},
 		],
 	},
diff --git a/lib/rules/prefer-query-matchers.ts b/lib/rules/prefer-query-matchers.ts
index 123a7123..d11e49bb 100644
--- a/lib/rules/prefer-query-matchers.ts
+++ b/lib/rules/prefer-query-matchers.ts
@@ -50,6 +50,7 @@ export default createTestingLibraryRule<Options, MessageIds>({
 									type: 'string',
 								},
 							},
+							additionalProperties: false,
 						},
 					},
 				},
diff --git a/lib/rules/prefer-user-event.ts b/lib/rules/prefer-user-event.ts
index 04e8530b..c278d1f4 100644
--- a/lib/rules/prefer-user-event.ts
+++ b/lib/rules/prefer-user-event.ts
@@ -90,6 +90,7 @@ export default createTestingLibraryRule<Options, MessageIds>({
 				properties: {
 					allowedMethods: { type: 'array' },
 				},
+				additionalProperties: false,
 			},
 		],
 	},