diff --git a/lib/svgeez/optimizer.rb b/lib/svgeez/optimizer.rb
index 1787fec..f19fe36 100644
--- a/lib/svgeez/optimizer.rb
+++ b/lib/svgeez/optimizer.rb
@@ -1,6 +1,6 @@
 module Svgeez
   class Optimizer
-    SVGO_MINIMUM_VERSION = '1.0.4'.freeze
+    SVGO_MINIMUM_VERSION = '1.1.1'.freeze
     SVGO_MINIMUM_VERSION_MESSAGE = "svgeez relies on SVGO #{SVGO_MINIMUM_VERSION} or newer. Continuing with standard sprite generation...".freeze
     SVGO_NOT_INSTALLED = 'Unable to find `svgo` in your PATH. Continuing with standard sprite generation...'.freeze
 
diff --git a/spec/lib/svgeez/optimizer_optimize_spec.rb b/spec/lib/svgeez/optimizer_optimize_spec.rb
index 7496aa9..a930665 100644
--- a/spec/lib/svgeez/optimizer_optimize_spec.rb
+++ b/spec/lib/svgeez/optimizer_optimize_spec.rb
@@ -18,7 +18,7 @@
   context 'when SVGO executable is found' do
     context 'when SVGO version is not supported' do
       let(:optimizer) { described_class.new }
-      let(:warning_message) { 'svgeez relies on SVGO 1.0.4 or newer. Continuing with standard sprite generation...' }
+      let(:warning_message) { 'svgeez relies on SVGO 1.1.1 or newer. Continuing with standard sprite generation...' }
 
       before do
         allow_any_instance_of(described_class).to receive(:supported?).and_return(false)