diff --git a/src/lib/openapi/spec/constraint-schema.ts b/src/lib/openapi/spec/constraint-schema.ts
index 58af9c407d..6cf0d51bec 100644
--- a/src/lib/openapi/spec/constraint-schema.ts
+++ b/src/lib/openapi/spec/constraint-schema.ts
@@ -39,6 +39,7 @@ export const constraintSchemaBase = {
             items: {
                 type: 'string',
             },
+            minItems: 1,
             example: ['my-app', 'my-other-app'],
         },
         value: {
diff --git a/src/test/arbitraries.test.ts b/src/test/arbitraries.test.ts
index 1d12631a0e..a4c5cd0db8 100644
--- a/src/test/arbitraries.test.ts
+++ b/src/test/arbitraries.test.ts
@@ -37,7 +37,7 @@ export const strategyConstraint = (): Arbitrary<ConstraintSchema> =>
         operator: fc.constantFrom(...ALL_OPERATORS),
         caseInsensitive: fc.boolean(),
         inverted: fc.boolean(),
-        values: fc.array(fc.string()),
+        values: fc.array(fc.string(), { minLength: 1 }),
         value: fc.string(),
     });