diff --git a/docker-compose.yml b/docker-compose.yml
index f3850e17..3a4527e8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -18,7 +18,7 @@ services:
   analysis:
     build: ./
     working_dir: /project
-    command: bash -c "composer install && ./vendor/bin/phpstan analyze --memory-limit=512M --level=4 ./src"
+    command: bash -c "composer install && ./vendor/bin/phpstan analyze --memory-limit=512M ./src"
     volumes:
       - ./:/project
   standards:
diff --git a/phpstan.dist.neon b/phpstan.dist.neon
index 0b689b56..a2a6f826 100644
--- a/phpstan.dist.neon
+++ b/phpstan.dist.neon
@@ -1,5 +1,5 @@
 parameters:
-    level: 4
+    level: 5
     paths:
         - src
     exceptions:
diff --git a/src/Colors/Cmyk/Colorspace.php b/src/Colors/Cmyk/Colorspace.php
index 2b64030f..e7ab6aec 100644
--- a/src/Colors/Cmyk/Colorspace.php
+++ b/src/Colors/Cmyk/Colorspace.php
@@ -9,6 +9,7 @@
 use Intervention\Image\Colors\Hsv\Color as HsvColor;
 use Intervention\Image\Colors\Hsl\Color as HslColor;
 use Intervention\Image\Colors\Rgb\Colorspace as RgbColorspace;
+use Intervention\Image\Exceptions\ColorException;
 use Intervention\Image\Interfaces\ColorInterface;
 use Intervention\Image\Interfaces\ColorspaceInterface;
 
@@ -36,9 +37,9 @@ public function colorFromNormalized(array $normalized): ColorInterface
     }
 
     /**
-     * {@inheritdoc}
-     *
-     * @see ColorspaceInterface::importColor()
+     * @param ColorInterface $color
+     * @return ColorInterface
+     * @throws ColorException
      */
     public function importColor(ColorInterface $color): ColorInterface
     {
@@ -50,8 +51,17 @@ public function importColor(ColorInterface $color): ColorInterface
         };
     }
 
-    protected function importRgbColor(RgbColor $color): CmykColor
+    /**
+     * @param ColorInterface $color
+     * @return Color
+     * @throws ColorException
+     */
+    protected function importRgbColor(ColorInterface $color): CmykColor
     {
+        if (!($color instanceof RgbColor)) {
+            throw new ColorException('Unabled to import color of type ' . $color::class . '.');
+        }
+
         $c = (255 - $color->red()->value()) / 255.0 * 100;
         $m = (255 - $color->green()->value()) / 255.0 * 100;
         $y = (255 - $color->blue()->value()) / 255.0 * 100;
diff --git a/src/Colors/Hsl/Colorspace.php b/src/Colors/Hsl/Colorspace.php
index c8baf320..e2b7d35d 100644
--- a/src/Colors/Hsl/Colorspace.php
+++ b/src/Colors/Hsl/Colorspace.php
@@ -8,6 +8,7 @@
 use Intervention\Image\Colors\Rgb\Color as RgbColor;
 use Intervention\Image\Colors\Hsv\Color as HsvColor;
 use Intervention\Image\Colors\Rgb\Colorspace as RgbColorspace;
+use Intervention\Image\Exceptions\ColorException;
 use Intervention\Image\Interfaces\ColorInterface;
 use Intervention\Image\Interfaces\ColorspaceInterface;
 
@@ -33,6 +34,11 @@ public function colorFromNormalized(array $normalized): ColorInterface
         return new Color(...$values);
     }
 
+    /**
+     * @param ColorInterface $color
+     * @return ColorInterface
+     * @throws ColorException
+     */
     public function importColor(ColorInterface $color): ColorInterface
     {
         return match ($color::class) {
@@ -43,8 +49,17 @@ public function importColor(ColorInterface $color): ColorInterface
         };
     }
 
-    protected function importRgbColor(RgbColor $color): ColorInterface
+    /**
+     * @param ColorInterface $color
+     * @return ColorInterface
+     * @throws ColorException
+     */
+    protected function importRgbColor(ColorInterface $color): ColorInterface
     {
+        if (!($color instanceof RgbColor)) {
+            throw new ColorException('Unabled to import color of type ' . $color::class . '.');
+        }
+
         // normalized values of rgb channels
         $values = array_map(function ($channel) {
             return $channel->normalize();
@@ -84,8 +99,17 @@ protected function importRgbColor(RgbColor $color): ColorInterface
         );
     }
 
-    protected function importHsvColor(HsvColor $color): ColorInterface
+    /**
+     * @param ColorInterface $color
+     * @return ColorInterface
+     * @throws ColorException
+     */
+    protected function importHsvColor(ColorInterface $color): ColorInterface
     {
+        if (!($color instanceof HsvColor)) {
+            throw new ColorException('Unabled to import color of type ' . $color::class . '.');
+        }
+
         // normalized values of hsv channels
         list($h, $s, $v) = array_map(function ($channel) {
             return $channel->normalize();
diff --git a/src/Colors/Hsv/Colorspace.php b/src/Colors/Hsv/Colorspace.php
index c6f2f545..ad390275 100644
--- a/src/Colors/Hsv/Colorspace.php
+++ b/src/Colors/Hsv/Colorspace.php
@@ -8,6 +8,7 @@
 use Intervention\Image\Colors\Rgb\Color as RgbColor;
 use Intervention\Image\Colors\Hsl\Color as HslColor;
 use Intervention\Image\Colors\Rgb\Colorspace as RgbColorspace;
+use Intervention\Image\Exceptions\ColorException;
 use Intervention\Image\Interfaces\ColorInterface;
 use Intervention\Image\Interfaces\ColorspaceInterface;
 
@@ -34,9 +35,9 @@ public function colorFromNormalized(array $normalized): ColorInterface
     }
 
     /**
-     * {@inheritdoc}
-     *
-     * @see ColorspaceInterface::importColor()
+     * @param ColorInterface $color
+     * @return ColorInterface
+     * @throws ColorException
      */
     public function importColor(ColorInterface $color): ColorInterface
     {
@@ -48,8 +49,17 @@ public function importColor(ColorInterface $color): ColorInterface
         };
     }
 
-    protected function importRgbColor(RgbColor $color): ColorInterface
+    /**
+     * @param ColorInterface $color
+     * @return ColorInterface
+     * @throws ColorException
+     */
+    protected function importRgbColor(ColorInterface $color): ColorInterface
     {
+        if (!($color instanceof RgbColor)) {
+            throw new ColorException('Unabled to import color of type ' . $color::class . '.');
+        }
+
         // normalized values of rgb channels
         $values = array_map(function ($channel) {
             return $channel->normalize();
@@ -89,8 +99,17 @@ protected function importRgbColor(RgbColor $color): ColorInterface
         );
     }
 
-    protected function importHslColor(HslColor $color): ColorInterface
+    /**
+     * @param ColorInterface $color
+     * @return ColorInterface
+     * @throws ColorException
+     */
+    protected function importHslColor(ColorInterface $color): ColorInterface
     {
+        if (!($color instanceof HslColor)) {
+            throw new ColorException('Unabled to import color of type ' . $color::class . '.');
+        }
+
         // normalized values of hsl channels
         list($h, $s, $l) = array_map(function ($channel) {
             return $channel->normalize();
diff --git a/src/Colors/Rgb/Colorspace.php b/src/Colors/Rgb/Colorspace.php
index 0335eabd..3c9b4787 100644
--- a/src/Colors/Rgb/Colorspace.php
+++ b/src/Colors/Rgb/Colorspace.php
@@ -7,6 +7,7 @@
 use Intervention\Image\Colors\Hsv\Color as HsvColor;
 use Intervention\Image\Colors\Hsl\Color as HslColor;
 use Intervention\Image\Colors\Cmyk\Color as CmykColor;
+use Intervention\Image\Exceptions\ColorException;
 use Intervention\Image\Interfaces\ColorInterface;
 use Intervention\Image\Interfaces\ColorspaceInterface;
 
@@ -34,9 +35,9 @@ public function colorFromNormalized(array $normalized): ColorInterface
     }
 
     /**
-     * {@inheritdoc}
-     *
-     * @see ColorspaceInterface::importColor()
+     * @param ColorInterface $color
+     * @return ColorInterface
+     * @throws ColorException
      */
     public function importColor(ColorInterface $color): ColorInterface
     {
@@ -48,8 +49,17 @@ public function importColor(ColorInterface $color): ColorInterface
         };
     }
 
-    protected function importCmykColor(CmykColor $color): ColorInterface
+    /**
+     * @param ColorInterface $color
+     * @return ColorInterface
+     * @throws ColorException
+     */
+    protected function importCmykColor(ColorInterface $color): ColorInterface
     {
+        if (!($color instanceof CmykColor)) {
+            throw new ColorException('Unabled to import color of type ' . $color::class . '.');
+        }
+
         return new Color(
             (int) (255 * (1 - $color->cyan()->normalize()) * (1 - $color->key()->normalize())),
             (int) (255 * (1 - $color->magenta()->normalize()) * (1 - $color->key()->normalize())),
@@ -57,8 +67,17 @@ protected function importCmykColor(CmykColor $color): ColorInterface
         );
     }
 
-    protected function importHsvColor(HsvColor $color): ColorInterface
+    /**
+     * @param ColorInterface $color
+     * @return ColorInterface
+     * @throws ColorException
+     */
+    protected function importHsvColor(ColorInterface $color): ColorInterface
     {
+        if (!($color instanceof HsvColor)) {
+            throw new ColorException('Unabled to import color of type ' . $color::class . '.');
+        }
+
         $chroma = $color->value()->normalize() * $color->saturation()->normalize();
         $hue = $color->hue()->normalize() * 6;
         $x = $chroma * (1 - abs(fmod($hue, 2) - 1));
@@ -83,8 +102,17 @@ protected function importHsvColor(HsvColor $color): ColorInterface
         return $this->colorFromNormalized($values);
     }
 
-    protected function importHslColor(HslColor $color): ColorInterface
+    /**
+     * @param ColorInterface $color
+     * @return ColorInterface
+     * @throws ColorException
+     */
+    protected function importHslColor(ColorInterface $color): ColorInterface
     {
+        if (!($color instanceof HslColor)) {
+            throw new ColorException('Unabled to import color of type ' . $color::class . '.');
+        }
+
         // normalized values of hsl channels
         list($h, $s, $l) = array_map(function ($channel) {
             return $channel->normalize();
diff --git a/src/Format.php b/src/Format.php
index 3b81b1cd..6d782c8d 100644
--- a/src/Format.php
+++ b/src/Format.php
@@ -90,7 +90,7 @@ public function fileExtensions(): array
     /**
      * Create an encoder instance that matches the format
      *
-     * @param array $options
+     * @param mixed $options
      * @return EncoderInterface
      */
     public function encoder(mixed ...$options): EncoderInterface
diff --git a/src/Geometry/Point.php b/src/Geometry/Point.php
index 29cb2d2e..7f524838 100644
--- a/src/Geometry/Point.php
+++ b/src/Geometry/Point.php
@@ -113,17 +113,17 @@ public function setPosition(int $x, int $y): self
      * Rotate point ccw around pivot
      *
      * @param float $angle
-     * @param Point $pivot
+     * @param PointInterface $pivot
      * @return Point
      */
-    public function rotate(float $angle, self $pivot): self
+    public function rotate(float $angle, PointInterface $pivot): self
     {
         $sin = round(sin(deg2rad($angle)), 6);
         $cos = round(cos(deg2rad($angle)), 6);
 
         return $this->setPosition(
-            intval($cos * ($this->x - $pivot->x) - $sin * ($this->y - $pivot->y) + $pivot->x),
-            intval($sin * ($this->x - $pivot->x) + $cos * ($this->y - $pivot->y) + $pivot->y)
+            intval($cos * ($this->x() - $pivot->x()) - $sin * ($this->y() - $pivot->y()) + $pivot->x()),
+            intval($sin * ($this->x() - $pivot->x()) + $cos * ($this->y() - $pivot->y()) + $pivot->y())
         );
     }
 }