diff --git a/go.mod b/go.mod
index baaa947..77f745f 100644
--- a/go.mod
+++ b/go.mod
@@ -10,6 +10,7 @@ require (
 	github.com/cespare/xxhash v1.1.0
 	github.com/charmbracelet/glamour v0.6.0
 	github.com/docker/go-units v0.5.0
+	github.com/fortytw2/leaktest v1.3.0
 	github.com/google/go-github/v30 v30.1.0
 	github.com/google/uuid v1.3.1
 	github.com/hdm/jarm-go v0.0.7
diff --git a/go.sum b/go.sum
index aedd1aa..1d82ad7 100644
--- a/go.sum
+++ b/go.sum
@@ -55,6 +55,8 @@ github.com/ebitengine/purego v0.4.0 h1:RQVuMIxQPQ5iCGEJvjQ17YOK+1tMKjVau2FUMvXH4
 github.com/ebitengine/purego v0.4.0/go.mod h1:ah1In8AOtksoNK6yk5z1HTJeUkC1Ez4Wk2idgGslMwQ=
 github.com/fatih/color v1.15.0 h1:kOqh6YHBtK8aywxGerMG2Eq3H6Qgoqeo13Bk2Mv/nBs=
 github.com/fatih/color v1.15.0/go.mod h1:0h5ZqXfHYED7Bhv2ZJamyIOUej9KtShiJESRwBDUSsw=
+github.com/fortytw2/leaktest v1.3.0 h1:u8491cBMTQ8ft8aeV+adlcytMZylmA5nnwwkRZjI8vw=
+github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.6.0 h1:n+5WquG0fcWoWp6xPWfHdbskMCQaFnG6PfBrh1Ky4HY=
 github.com/fsnotify/fsnotify v1.6.0/go.mod h1:sl3t1tCWJFWoRz9R8WJCbQihKKwmorjAbSClcnxKAGw=
diff --git a/sync/adaptivewaitgroup_test.go b/sync/adaptivewaitgroup_test.go
index 11cb7f4..7463df6 100644
--- a/sync/adaptivewaitgroup_test.go
+++ b/sync/adaptivewaitgroup_test.go
@@ -5,6 +5,7 @@ import (
 	"sync/atomic"
 	"testing"
 
+	"github.com/fortytw2/leaktest"
 	"github.com/stretchr/testify/require"
 )
 
@@ -91,3 +92,51 @@ func TestAddWithContext(t *testing.T) {
 	}
 
 }
+
+func TestMultipleResizes(t *testing.T) {
+	var c atomic.Int32
+	swg, err := New(WithSize(2)) // Start with a size of 2
+	require.Nil(t, err)
+
+	for i := 0; i < 10000; i++ {
+		if i == 250 {
+			swg.Resize(context.TODO(), 5) // Increase size at 2500th iteration
+		}
+		if i == 500 {
+			swg.Resize(context.TODO(), 1) // Decrease size at 5000th iteration
+		}
+		if i == 750 {
+			swg.Resize(context.TODO(), 3) // Increase size again at 7500th iteration
+		}
+
+		swg.Add()
+		go func() {
+			defer swg.Done()
+			c.Add(1)
+		}()
+	}
+
+	swg.Wait()
+	if c.Load() != 10000 {
+		t.Fatalf("%d, not all routines have been executed.", c.Load())
+	}
+}
+
+func Test_AdaptiveWaitGroup_Leak(t *testing.T) {
+	defer leaktest.Check(t)()
+
+	for j := 0; j < 1000; j++ {
+		wg, err := New(WithSize(10))
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		for i := 0; i < 10000; i++ {
+			wg.Add()
+			go func(awg *AdaptiveWaitGroup) {
+				defer awg.Done()
+			}(wg)
+		}
+		wg.Wait()
+	}
+}