diff --git a/src/main/java/io/rocketbase/asset/imgproxy/Signature.java b/src/main/java/io/rocketbase/asset/imgproxy/Signature.java
index 96c6924..831baed 100644
--- a/src/main/java/io/rocketbase/asset/imgproxy/Signature.java
+++ b/src/main/java/io/rocketbase/asset/imgproxy/Signature.java
@@ -58,6 +58,7 @@ public Signature size(int width, int height, boolean enlarge, boolean extend) {
         return this;
     }
 
+
     /**
      * Meta-option that defines the width, height, enlarge, and extend. All arguments are optional and can be omited to use their default values.
      */
@@ -106,6 +107,22 @@ public Signature resize(ResizeType resizeType) {
         return this;
     }
 
+    /**
+     * Defines how imgproxy will min-width the source image.
+     */
+    public Signature minWidth(int minWidth){
+        processingOptions.add(createProcessingOption("mw", minWidth));
+        return this;
+    }
+
+    /**
+     * Defines how imgproxy will min-height the source image.
+     */
+    public Signature minHeight(int minHeight){
+        processingOptions.add(createProcessingOption("mh", minHeight));
+        return this;
+    }
+
     /**
      * Defines the width of the resulting image. When set to 0, imgproxy will calculate the resulting width using the defined height and source aspect ratio.
      * Default: 0