diff --git a/Library/Homebrew/language/python_virtualenv_constants.rb b/Library/Homebrew/language/python_virtualenv_constants.rb
index 23dbe1f723..c8b71aa85a 100644
--- a/Library/Homebrew/language/python_virtualenv_constants.rb
+++ b/Library/Homebrew/language/python_virtualenv_constants.rb
@@ -1,2 +1,2 @@
-PYTHON_VIRTUALENV_URL = "https://files.pythonhosted.org/packages/5c/79/5dae7494b9f5ed061cff9a8ab8d6e1f02db352f3facf907d9eb614fb80e9/virtualenv-15.0.2.tar.gz"
-PYTHON_VIRTUALENV_SHA256 = "fab40f32d9ad298fba04a260f3073505a16d52539a84843cf8c8369d4fd17167"
+PYTHON_VIRTUALENV_URL = "https://files.pythonhosted.org/packages/5c/79/5dae7494b9f5ed061cff9a8ab8d6e1f02db352f3facf907d9eb614fb80e9/virtualenv-15.0.2.tar.gz".freeze
+PYTHON_VIRTUALENV_SHA256 = "fab40f32d9ad298fba04a260f3073505a16d52539a84843cf8c8369d4fd17167".freeze