diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e6d8ff..564f8bd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,12 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 # Changelog
 
+## [Unreleased]
+
+### Bug Fixes
+
+* [#39](https://github.com/JulianToledano/goingecko/pull/39) Change CodeStats types from int16 to int64.
+
 ## [v3.0.0](https://github.com/JulianToledano/goingecko/releases/tag/v3.0.0) - 2025.01-25
 
 ### Improvements
diff --git a/api/coins/id_test.go b/api/coins/id_test.go
new file mode 100644
index 0000000..f35da05
--- /dev/null
+++ b/api/coins/id_test.go
@@ -0,0 +1,39 @@
+package coins
+
+import (
+	"context"
+	"net/http"
+	"testing"
+
+	"github.com/JulianToledano/goingecko/v3/api/internal"
+	geckohttp "github.com/JulianToledano/goingecko/v3/http"
+)
+
+func TestCoinsId(t *testing.T) {
+	tests := []struct {
+		name string
+		id   string
+	}{
+		{
+			name: "stellar",
+			id:   "stellar",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			c := &CoinsClient{
+				internal.NewClient(
+					geckohttp.NewClient(geckohttp.WithHttpClient(http.DefaultClient)),
+					internal.BaseURL,
+				),
+			}
+			got, err := c.CoinsId(context.Background(), tt.id)
+			if err != nil {
+				t.Errorf("CoinsList() error = %v", err)
+			}
+			if got == nil {
+				t.Errorf("CoinsList() got = nil, want not nil")
+			}
+		})
+	}
+}
diff --git a/api/types/types.go b/api/types/types.go
index 3a4a9e8..4fcf223 100644
--- a/api/types/types.go
+++ b/api/types/types.go
@@ -139,8 +139,8 @@ type DeveloperData struct {
 }
 
 type CodeStats struct {
-	Additions int16 `json:"additions"`
-	Deletions int16 `json:"deletions"`
+	Additions int64 `json:"additions"`
+	Deletions int64 `json:"deletions"`
 }
 
 type PublicInterestStats struct {