diff --git a/package-lock.json b/package-lock.json
index ed918cf..fe8fd8b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
       },
       "devDependencies": {
         "@eslint/js": "^9.3.0",
-        "@supabase/supabase-js": "^2.57.4",
+        "@supabase/supabase-js": "^2.76.1",
         "@types/node": "^24.3.0",
         "@vitest/coverage-v8": "^1.6.0",
         "eslint": "^8.57.0",
@@ -23,7 +23,7 @@
         "vitest": "^1.6.0"
       },
       "peerDependencies": {
-        "@supabase/supabase-js": "^2.43.4"
+        "@supabase/supabase-js": "^2.76.1"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -898,23 +898,25 @@
       "dev": true
     },
     "node_modules/@supabase/auth-js": {
-      "version": "2.71.1",
-      "resolved": "https://registry.npmjs.org/@supabase/auth-js/-/auth-js-2.71.1.tgz",
-      "integrity": "sha512-mMIQHBRc+SKpZFRB2qtupuzulaUhFYupNyxqDj5Jp/LyPvcWvjaJzZzObv6URtL/O6lPxkanASnotGtNpS3H2Q==",
+      "version": "2.76.1",
+      "resolved": "https://registry.npmjs.org/@supabase/auth-js/-/auth-js-2.76.1.tgz",
+      "integrity": "sha512-bxmcgPuyjTUBg7+jAohJ15TDh3ph4hXcv7QkRsQgnIpszurD5LYaJPzX638ETQ8zDL4fvHZRHfGrcmHV8C91jA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@supabase/node-fetch": "^2.6.14"
+        "@supabase/node-fetch": "2.6.15",
+        "tslib": "2.8.1"
       }
     },
     "node_modules/@supabase/functions-js": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/@supabase/functions-js/-/functions-js-2.4.6.tgz",
-      "integrity": "sha512-bhjZ7rmxAibjgmzTmQBxJU6ZIBCCJTc3Uwgvdi4FewueUTAGO5hxZT1Sj6tiD+0dSXf9XI87BDdJrg12z8Uaew==",
+      "version": "2.76.1",
+      "resolved": "https://registry.npmjs.org/@supabase/functions-js/-/functions-js-2.76.1.tgz",
+      "integrity": "sha512-+zJym/GC1sofm5QYKGxHSszCpMW4Ao2dj/WC3YlffAGuIlIhUtWTJvKsv5q7sWaSKUKdDhGpWhZ2OD++fW5BtQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@supabase/node-fetch": "^2.6.14"
+        "@supabase/node-fetch": "2.6.15",
+        "tslib": "2.8.1"
       }
     },
     "node_modules/@supabase/node-fetch": {
@@ -931,51 +933,54 @@
       }
     },
     "node_modules/@supabase/postgrest-js": {
-      "version": "1.21.4",
-      "resolved": "https://registry.npmjs.org/@supabase/postgrest-js/-/postgrest-js-1.21.4.tgz",
-      "integrity": "sha512-TxZCIjxk6/dP9abAi89VQbWWMBbybpGWyvmIzTd79OeravM13OjR/YEYeyUOPcM1C3QyvXkvPZhUfItvmhY1IQ==",
+      "version": "2.76.1",
+      "resolved": "https://registry.npmjs.org/@supabase/postgrest-js/-/postgrest-js-2.76.1.tgz",
+      "integrity": "sha512-QJ1Cwim6L9gzWKP8U4Lgw9x/4lMWkZSVMDRYFCH+vVGitVbtfU885swTiioOjjUe4EYGZm+Xktg90twzSVv6IA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@supabase/node-fetch": "^2.6.14"
+        "@supabase/node-fetch": "2.6.15",
+        "tslib": "2.8.1"
       }
     },
     "node_modules/@supabase/realtime-js": {
-      "version": "2.15.5",
-      "resolved": "https://registry.npmjs.org/@supabase/realtime-js/-/realtime-js-2.15.5.tgz",
-      "integrity": "sha512-/Rs5Vqu9jejRD8ZeuaWXebdkH+J7V6VySbCZ/zQM93Ta5y3mAmocjioa/nzlB6qvFmyylUgKVS1KpE212t30OA==",
+      "version": "2.76.1",
+      "resolved": "https://registry.npmjs.org/@supabase/realtime-js/-/realtime-js-2.76.1.tgz",
+      "integrity": "sha512-B5Lfmprea2fx2FS7obp4uAWiRUlEa6j9J3+BvvETGp/2LdkSRBaLEJCBylfcZTXk67ajNPX6ppvKvAZsckqXYg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@supabase/node-fetch": "^2.6.13",
+        "@supabase/node-fetch": "2.6.15",
         "@types/phoenix": "^1.6.6",
         "@types/ws": "^8.18.1",
+        "tslib": "2.8.1",
         "ws": "^8.18.2"
       }
     },
     "node_modules/@supabase/storage-js": {
-      "version": "2.12.1",
-      "resolved": "https://registry.npmjs.org/@supabase/storage-js/-/storage-js-2.12.1.tgz",
-      "integrity": "sha512-QWg3HV6Db2J81VQx0PqLq0JDBn4Q8B1FYn1kYcbla8+d5WDmTdwwMr+EJAxNOSs9W4mhKMv+EYCpCrTFlTj4VQ==",
+      "version": "2.76.1",
+      "resolved": "https://registry.npmjs.org/@supabase/storage-js/-/storage-js-2.76.1.tgz",
+      "integrity": "sha512-OJiNT8tocI9tcTjTjv1SBVLabzgEnS1NorZuqivkiJ0gTYmeg2c2PFmqCARhoQ4whF6zR9MVsX/Mtj2oSv4i/w==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@supabase/node-fetch": "^2.6.14"
+        "@supabase/node-fetch": "2.6.15",
+        "tslib": "2.8.1"
       }
     },
     "node_modules/@supabase/supabase-js": {
-      "version": "2.57.4",
-      "resolved": "https://registry.npmjs.org/@supabase/supabase-js/-/supabase-js-2.57.4.tgz",
-      "integrity": "sha512-LcbTzFhHYdwfQ7TRPfol0z04rLEyHabpGYANME6wkQ/kLtKNmI+Vy+WEM8HxeOZAtByUFxoUTTLwhXmrh+CcVw==",
+      "version": "2.76.1",
+      "resolved": "https://registry.npmjs.org/@supabase/supabase-js/-/supabase-js-2.76.1.tgz",
+      "integrity": "sha512-dYMh9EsTVXZ6WbQ0QmMGIhbXct5+x636tXXaaxUmwjj3kY1jyBTQU8QehxAIfjyRu1mWGV07hoYmTYakkxdSGQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@supabase/auth-js": "2.71.1",
-        "@supabase/functions-js": "2.4.6",
+        "@supabase/auth-js": "2.76.1",
+        "@supabase/functions-js": "2.76.1",
         "@supabase/node-fetch": "2.6.15",
-        "@supabase/postgrest-js": "1.21.4",
-        "@supabase/realtime-js": "2.15.5",
-        "@supabase/storage-js": "2.12.1"
+        "@supabase/postgrest-js": "2.76.1",
+        "@supabase/realtime-js": "2.76.1",
+        "@supabase/storage-js": "2.76.1"
       }
     },
     "node_modules/@types/estree": {
@@ -3152,6 +3157,13 @@
         "typescript": ">=4.2.0"
       }
     },
+    "node_modules/tslib": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "dev": true,
+      "license": "0BSD"
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
diff --git a/package.json b/package.json
index 65c164f..d30a44e 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   "homepage": "https://github.com/supabase/ssr#readme",
   "devDependencies": {
     "@eslint/js": "^9.3.0",
-    "@supabase/supabase-js": "^2.57.4",
+    "@supabase/supabase-js": "^2.76.1",
     "@types/node": "^24.3.0",
     "@vitest/coverage-v8": "^1.6.0",
     "eslint": "^8.57.0",
@@ -43,7 +43,7 @@
     "vitest": "^1.6.0"
   },
   "peerDependencies": {
-    "@supabase/supabase-js": "^2.43.4"
+    "@supabase/supabase-js": "^2.76.1"
   },
   "dependencies": {
     "cookie": "^1.0.2"