diff --git a/backend/.eslintrc b/backend/.eslintrc
index 3029ebab6..1b2889e50 100644
--- a/backend/.eslintrc
+++ b/backend/.eslintrc
@@ -31,6 +31,7 @@
     "prefer-const": 1,
     "prefer-rest-params": 1,
     "quotes": [1, "single", { "allowTemplateLiterals": true }],
-    "semi": 1
+    "semi": 1,
+    "eqeqeq": 1
   }
 }
diff --git a/frontend/.eslintrc b/frontend/.eslintrc
index 4dbcf98d9..9347a2050 100644
--- a/frontend/.eslintrc
+++ b/frontend/.eslintrc
@@ -32,6 +32,7 @@
     "prefer-const": 1,
     "prefer-rest-params": 1,
     "quotes": [1, "single", { "allowTemplateLiterals": true }],
-    "semi": 1
+    "semi": 1,
+    "eqeqeq": 1
   }
 }