diff --git a/thumbor_plugins/optimizers/gifv/setup.py b/thumbor_plugins/optimizers/gifv/setup.py
index 2da78c6..95e7dfd 100644
--- a/thumbor_plugins/optimizers/gifv/setup.py
+++ b/thumbor_plugins/optimizers/gifv/setup.py
@@ -42,6 +42,6 @@
         "thumbor_plugins.optimizers.gifv": ".",
     },
     install_requires=[
-        "webcolors==1.11.1",
+        "webcolors==1.*,>=1.13.0",
     ],
 )