diff --git a/src/Collection.php b/src/Collection.php
index 01f861b6f..24ea4e3bf 100644
--- a/src/Collection.php
+++ b/src/Collection.php
@@ -368,7 +368,7 @@ public function duplicate(): CollectionInterface
         return $this->run(Duplicate::of());
     }
 
-    public static function empty(): Collection
+    public static function empty(): CollectionInterface
     {
         return new self();
     }
@@ -438,7 +438,7 @@ public function frequency(): CollectionInterface
         return $this->run(Frequency::of());
     }
 
-    public static function fromCallable(callable $callable, ...$parameters): Collection
+    public static function fromCallable(callable $callable, ...$parameters): CollectionInterface
     {
         return new self(
             static function (callable $callable, array $parameters): Generator {
@@ -449,7 +449,7 @@ static function (callable $callable, array $parameters): Generator {
         );
     }
 
-    public static function fromFile(string $filepath): Collection
+    public static function fromFile(string $filepath): CollectionInterface
     {
         return new self(
             static function (string $filepath): Generator {
@@ -459,7 +459,7 @@ static function (string $filepath): Generator {
         );
     }
 
-    public static function fromIterable(iterable $iterable): Collection
+    public static function fromIterable(iterable $iterable): CollectionInterface
     {
         return new self(
             static function (iterable $iterable): Generator {
@@ -469,7 +469,7 @@ static function (iterable $iterable): Generator {
         );
     }
 
-    public static function fromResource($resource): Collection
+    public static function fromResource($resource): CollectionInterface
     {
         return new self(
             /**
@@ -484,7 +484,7 @@ static function ($resource): Generator {
         );
     }
 
-    public static function fromString(string $string, string $delimiter = ''): Collection
+    public static function fromString(string $string, string $delimiter = ''): CollectionInterface
     {
         return new self(
             /**
@@ -843,7 +843,7 @@ public function window(int $size): CollectionInterface
         return $this->run(Window::of()($size));
     }
 
-    public static function with($data = [], ...$parameters): Collection
+    public static function with($data = [], ...$parameters): CollectionInterface
     {
         return new self($data, ...$parameters);
     }
diff --git a/src/Contract/Collection.php b/src/Contract/Collection.php
index c4f04687d..898f18330 100644
--- a/src/Contract/Collection.php
+++ b/src/Contract/Collection.php
@@ -310,9 +310,9 @@ interface Collection extends
      * @psalm-template NewTKey of array-key
      * @psalm-template NewT
      *
-     * @psalm-return \loophp\collection\Collection<NewTKey, NewT>
+     * @psalm-return \loophp\collection\Contract\Collection<NewTKey, NewT>
      */
-    public static function empty(): \loophp\collection\Collection;
+    public static function empty(): Collection;
 
     /**
      * @psalm-template NewTKey
@@ -321,9 +321,14 @@ public static function empty(): \loophp\collection\Collection;
      *
      * @param mixed ...$parameters
      *
-     * @psalm-return \loophp\collection\Collection<NewTKey, NewT>
+     * @psalm-return \loophp\collection\Contract\Collection<NewTKey, NewT>
      */
-    public static function fromCallable(callable $callable, ...$parameters): \loophp\collection\Collection;
+    public static function fromCallable(callable $callable, ...$parameters): Collection;
+
+    /**
+     * @psalm-return \loophp\collection\Contract\Collection<int, string>
+     */
+    public static function fromFile(string $filepath): Collection;
 
     /**
      * @psalm-template NewTKey
@@ -333,21 +338,21 @@ public static function fromCallable(callable $callable, ...$parameters): \loophp
      * @param iterable<mixed> $iterable
      * @psalm-param iterable<NewTKey, NewT> $iterable
      *
-     * @psalm-return \loophp\collection\Collection<NewTKey, NewT>
+     * @psalm-return \loophp\collection\Contract\Collection<NewTKey, NewT>
      */
-    public static function fromIterable(iterable $iterable): \loophp\collection\Collection;
+    public static function fromIterable(iterable $iterable): Collection;
 
     /**
      * @param resource $resource
      *
-     * @psalm-return \loophp\collection\Collection<int, string>
+     * @psalm-return \loophp\collection\Contract\Collection<int, string>
      */
-    public static function fromResource($resource): \loophp\collection\Collection;
+    public static function fromResource($resource): Collection;
 
     /**
-     * @psalm-return \loophp\collection\Collection<int, string>
+     * @psalm-return \loophp\collection\Contract\Collection<int, string>
      */
-    public static function fromString(string $string, string $delimiter = ''): \loophp\collection\Collection;
+    public static function fromString(string $string, string $delimiter = ''): Collection;
 
     /**
      * @psalm-return \loophp\collection\Iterator\ClosureIterator<TKey, T>
@@ -364,7 +369,7 @@ public function getIterator(): ClosureIterator;
      * @param mixed $data
      * @param mixed ...$parameters
      *
-     * @psalm-return \loophp\collection\Collection<NewTKey, NewT>
+     * @psalm-return \loophp\collection\Contract\Collection<NewTKey, NewT>
      */
-    public static function with($data = [], ...$parameters): \loophp\collection\Collection;
+    public static function with($data = [], ...$parameters): Collection;
 }