diff --git a/build.gradle.kts b/build.gradle.kts
index 5310e95..5e22551 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -7,11 +7,11 @@ group = "com.github.cs125-illinois"
 version = "2021.9.1"
 
 plugins {
-    kotlin("jvm") version "1.5.30"
+    kotlin("jvm") version "1.5.31"
     java
     `maven-publish`
 
-    id("org.jmailen.kotlinter") version "3.5.1"
+    id("org.jmailen.kotlinter") version "3.6.0"
     checkstyle
     id("com.github.sherter.google-java-format") version "0.9"
 
@@ -24,11 +24,11 @@ repositories {
     maven("https://maven.pkg.jetbrains.space/public/p/kotlinx-html/maven")
 }
 dependencies {
-    implementation("org.jetbrains.kotlin:kotlin-reflect:1.5.30")
-    implementation("io.github.classgraph:classgraph:4.8.115")
+    implementation("org.jetbrains.kotlin:kotlin-reflect:1.5.31")
+    implementation("io.github.classgraph:classgraph:4.8.116")
     implementation("io.github.kostaskougios:cloning:1.10.3")
 
-    testImplementation("io.kotest:kotest-runner-junit5:4.6.2")
+    testImplementation("io.kotest:kotest-runner-junit5:4.6.3")
     testImplementation("org.slf4j:slf4j-simple:1.7.32")
 }
 tasks.withType<JavaCompile> {
diff --git a/src/main/kotlin/generators/Type.kt b/src/main/kotlin/generators/Type.kt
index 878ff19..080020c 100644
--- a/src/main/kotlin/generators/Type.kt
+++ b/src/main/kotlin/generators/Type.kt
@@ -222,6 +222,12 @@ object Defaults {
                 map.containsKey(type.actualTypeArguments[0])
             ) {
                 return { random -> ListGenerator(random, create(type.actualTypeArguments[0], random)) }
+            } else if (
+                type.rawType == java.util.Set::class.java &&
+                type.actualTypeArguments.size == 1 &&
+                map.containsKey(type.actualTypeArguments[0])
+            ) {
+                return { random -> SetGenerator(random, create(type.actualTypeArguments[0], random)) }
             } else if (type.rawType == java.util.Map::class.java && type.actualTypeArguments.size == 2 &&
                 map.containsKey(type.actualTypeArguments[0]) && map.containsKey(type.actualTypeArguments[1])
             ) {
@@ -265,6 +271,30 @@ class ListGenerator(random: Random, private val componentGenerator: TypeGenerato
     }
 }
 
+class SetGenerator(random: Random, private val componentGenerator: TypeGenerator<*>) :
+    TypeGenerators<Any>(random) {
+
+    override val simple: Set<Value<Any>>
+        get() {
+            val simpleCases = componentGenerator.simple.mapNotNull { it.solutionCopy }.toSet()
+            return setOf(
+                setOf(),
+                simpleCases
+            ).values(ZeroComplexity)
+        }
+
+    override val edge: Set<Value<Any?>> = setOf<Any?>(null).values(ZeroComplexity)
+
+    override fun random(complexity: Complexity, runner: TestRunner?): Value<Any> {
+        val setSize = random.nextInt(complexity.squared().coerceAtLeast(2).toInt())
+        return mutableSetOf<Any>().apply {
+            repeat(setSize) {
+                add(componentGenerator.random(complexity, runner).solutionCopy!!)
+            }
+        }.value(complexity)
+    }
+}
+
 class MapGenerator(
     random: Random,
     private val keyGenerator: TypeGenerator<*>,
diff --git a/src/main/resources/edu.illinois.cs.cs125.jenisol.core.version b/src/main/resources/edu.illinois.cs.cs125.jenisol.core.version
index 7e6c050..8b454c4 100644
--- a/src/main/resources/edu.illinois.cs.cs125.jenisol.core.version
+++ b/src/main/resources/edu.illinois.cs.cs125.jenisol.core.version
@@ -1 +1 @@
-version=2021.9.0
\ No newline at end of file
+version=2021.9.1
\ No newline at end of file
diff --git a/src/test/java/edu/illinois/cs/cs125/jenisol/core/TestGenerators.kt b/src/test/java/edu/illinois/cs/cs125/jenisol/core/TestGenerators.kt
index 52fbf8a..b1fc6bf 100644
--- a/src/test/java/edu/illinois/cs/cs125/jenisol/core/TestGenerators.kt
+++ b/src/test/java/edu/illinois/cs/cs125/jenisol/core/TestGenerators.kt
@@ -167,6 +167,14 @@ class TestGenerators : StringSpec(
                 method.testGenerator()
             }
         }
+        "it should generate sets properly" {
+            methodNamed("testIntegerSet").also { method ->
+                method.invoke(null, null)
+                method.invoke(null, setOf<Int>())
+                method.invoke(null, setOf(1, 2, 5))
+                method.testGenerator()
+            }
+        }
         "it should generate nested arrays properly" {
             Defaults.create(Array<Array<IntArray>>::class.java).also { generator ->
                 (0..128).map {
diff --git a/src/test/java/edu/illinois/cs/cs125/jenisol/core/TestJavaExamples.kt b/src/test/java/edu/illinois/cs/cs125/jenisol/core/TestJavaExamples.kt
index b7eff27..db84cea 100644
--- a/src/test/java/edu/illinois/cs/cs125/jenisol/core/TestJavaExamples.kt
+++ b/src/test/java/edu/illinois/cs/cs125/jenisol/core/TestJavaExamples.kt
@@ -298,7 +298,7 @@ class TestJavaExamples : StringSpec(
         examples.java.receiver.rejectstaticfield.Correct::class.java.also {
             "${it.testName()}" { it.test() }
         }
-        examples.java.receiver.withshouldcontinue.Correct::class.java.also {
+        examples.java.noreceiver.setsum.Correct::class.java.also {
             "${it.testName()}" { it.test() }
         }
         examples.java.receiver.timeouttest.Correct::class.java.also {
diff --git a/src/test/java/examples/generatortesting/TestGenerators.java b/src/test/java/examples/generatortesting/TestGenerators.java
index f3bf349..7e98b27 100644
--- a/src/test/java/examples/generatortesting/TestGenerators.java
+++ b/src/test/java/examples/generatortesting/TestGenerators.java
@@ -1,6 +1,7 @@
 package examples.generatortesting;
 
 import java.util.List;
+import java.util.Set;
 
 @SuppressWarnings("unused")
 public class TestGenerators {
@@ -44,6 +45,8 @@ public static void testIntArray(int[] values) {}
 
   public static void testIntegerList(List<Integer> values) {}
 
+  public static void testIntegerSet(Set<Integer> values) {}
+
   public static void testChar(char value) {}
 
   public static void testBoxedChar(Character value) {}
diff --git a/src/test/java/examples/java/noreceiver/setsum/Correct.java b/src/test/java/examples/java/noreceiver/setsum/Correct.java
new file mode 100644
index 0000000..228a237
--- /dev/null
+++ b/src/test/java/examples/java/noreceiver/setsum/Correct.java
@@ -0,0 +1,16 @@
+package examples.java.noreceiver.setsum;
+
+import java.util.Set;
+
+public class Correct {
+  public static int sum(Set<Integer> values) {
+    if (values == null) {
+      return 0;
+    }
+    int sum = 0;
+    for (int value : values) {
+      sum += value;
+    }
+    return sum;
+  }
+}
diff --git a/src/test/java/examples/java/noreceiver/setsum/Incorrect0.java b/src/test/java/examples/java/noreceiver/setsum/Incorrect0.java
new file mode 100644
index 0000000..3dfe12b
--- /dev/null
+++ b/src/test/java/examples/java/noreceiver/setsum/Incorrect0.java
@@ -0,0 +1,16 @@
+package examples.java.noreceiver.setsum;
+
+import java.util.Set;
+
+public class Incorrect0 {
+  public static int sum(Set<Integer> values) {
+    if (values == null) {
+      return 0;
+    }
+    int sum = 0;
+    for (int value : values) {
+      sum += value;
+    }
+    return sum - 1;
+  }
+}