diff --git a/babel.config.json b/babel.config.json
index e0f9bf48..fc67712f 100644
--- a/babel.config.json
+++ b/babel.config.json
@@ -6,7 +6,7 @@
           "chrome": "80",
           "safari": "12.1",
           "edge": "80",
-          "firefox": "72"
+          "firefox": "88"
         }
       }
     ]
diff --git a/karma.conf.js b/karma.conf.js
index 8e23f3d6..0bab4e6f 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -43,11 +43,11 @@ if (process.env.CI) {
         args: [ "--lang=tr" ]
       }
     },
-    sl_firefox_72: {
+    sl_firefox_88: {
       base: "SauceLabs",
       browserName: "firefox",
       platform: "Windows 10",
-      version: "72.0"
+      version: "88.0"
     },
     sl_firefox_latest: {
       base: "SauceLabs",