diff --git a/lib/store_model/types/enum_type.rb b/lib/store_model/types/enum_type.rb
index 0e3f067..75fc0b4 100644
--- a/lib/store_model/types/enum_type.rb
+++ b/lib/store_model/types/enum_type.rb
@@ -34,7 +34,7 @@ def cast_value(value)
 
         case value
         when String, Symbol then cast_symbol_value(value)
-        when Integer then cast_integer_value(value)
+        when Integer, Float then cast_integer_value(value)
         else
           raise StoreModel::Types::CastError,
                 "failed casting #{value.inspect}, only String, Symbol or " \
diff --git a/spec/store_model/types/enum_type_spec.rb b/spec/store_model/types/enum_type_spec.rb
index fc73860..b920231 100644
--- a/spec/store_model/types/enum_type_spec.rb
+++ b/spec/store_model/types/enum_type_spec.rb
@@ -4,6 +4,7 @@
 
 RSpec.describe StoreModel::Types::EnumType do
   let(:type) { described_class.new({ active: 1, archived: 0 }, raise_on_invalid_values) }
+  let(:float_type) { described_class.new({ pi: 3.14, tau: 6.28 }, raise_on_invalid_values) }
   let(:raise_on_invalid_values) { true }
 
   describe "#type" do
@@ -95,15 +96,33 @@
 
       it { is_expected.to be_nil }
     end
+  end
+
+  describe "float#cast_value" do
+    subject { float_type.cast_value(value) }
+
+    context "when Float is passed" do
+      let(:value) { 3.14 }
 
-    context "when instance of illegal class is passed" do
-      let(:value) { 3.5 }
+      it { is_expected.to eq(3.14) }
+
+      context "when value is not in the list" do
+        let(:value) { 1.5 }
 
-      it "raises exception" do
-        expect { subject }.to raise_error(
-          StoreModel::Types::CastError,
-          "failed casting #{value}, only String, Symbol or Integer instances are allowed"
-        )
+        context "when raise_on_invalid_values is true" do
+          it "raises exception" do
+            expect { subject }.to raise_error(
+              ArgumentError,
+              "invalid value '#{value}' is assigned"
+            )
+          end
+        end
+
+        context "when raise_on_invalid_values is false" do
+          let(:raise_on_invalid_values) { false }
+
+          it { is_expected.to eq(value) }
+        end
       end
     end
   end