diff --git a/source/vendor/supports-color/index.js b/source/vendor/supports-color/index.js
index 4ce0a2d..1388372 100644
--- a/source/vendor/supports-color/index.js
+++ b/source/vendor/supports-color/index.js
@@ -112,11 +112,11 @@ function _supportsColor(haveStream, {streamIsTTY, sniffFlags = true} = {}) {
 	}
 
 	if ('CI' in env) {
-		if ('GITHUB_ACTIONS' in env || 'GITEA_ACTIONS' in env) {
+		if (['GITHUB_ACTIONS', 'GITEA_ACTIONS', 'CIRCLECI'].some(key => key in env)) {
 			return 3;
 		}
 
-		if (['TRAVIS', 'CIRCLECI', 'APPVEYOR', 'GITLAB_CI', 'BUILDKITE', 'DRONE'].some(sign => sign in env) || env.CI_NAME === 'codeship') {
+		if (['TRAVIS', 'APPVEYOR', 'GITLAB_CI', 'BUILDKITE', 'DRONE'].some(sign => sign in env) || env.CI_NAME === 'codeship') {
 			return 1;
 		}