diff --git a/spec/object_fit_spec.cr b/spec/object_fit_spec.cr
new file mode 100644
index 0000000..717757f
--- /dev/null
+++ b/spec/object_fit_spec.cr
@@ -0,0 +1,27 @@
+require "./spec_helper"
+
+class ObjectFitStyle < CSS::Stylesheet
+  rule img do
+    object_fit :fill
+    object_fit :contain
+    object_fit :cover
+    object_fit :none
+    object_fit :scale_down
+  end
+end
+
+describe "ObjectFitStyle.to_s" do
+  it "should return the correct CSS" do
+    expected = <<-CSS
+    img {
+      object-fit: fill;
+      object-fit: contain;
+      object-fit: cover;
+      object-fit: none;
+      object-fit: scale-down;
+    }
+    CSS
+
+    ObjectFitStyle.to_s.should eq(expected)
+  end
+end
diff --git a/src/css/enums/object_fit.cr b/src/css/enums/object_fit.cr
new file mode 100644
index 0000000..07c0cfc
--- /dev/null
+++ b/src/css/enums/object_fit.cr
@@ -0,0 +1,7 @@
+css_enum ObjectFit do
+  Fill
+  Contain
+  Cover
+  None
+  ScaleDown
+end
diff --git a/src/stylesheet.cr b/src/stylesheet.cr
index b4cc09c..d1c2200 100644
--- a/src/stylesheet.cr
+++ b/src/stylesheet.cr
@@ -1168,7 +1168,7 @@ module CSS
     prop min_inline_size, CSS::LengthPercentage | CSS::Enums::Size | CSS::Enums::Auto
     prop min_width, CSS::LengthPercentage | CSS::Enums::Size | CSS::Enums::Auto
     prop mix_blend_mode, String
-    prop object_fit, String
+    prop object_fit, CSS::Enums::ObjectFit
     prop object_position, String
     prop offset, String
     prop offset_anchor, String