diff --git a/package-lock.json b/package-lock.json
index 7d733c1..ae6e14c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,8 +8,8 @@
 			"name": "livingdextracker",
 			"version": "0.0.1",
 			"dependencies": {
-				"@supabase/ssr": "^0.1.0",
-				"@supabase/supabase-js": "^2.42.0",
+				"@supabase/ssr": "^0.12.7",
+				"@supabase/supabase-js": "^2.116.0",
 				"nanoid": "^5.0.4",
 				"sharp": "^0.33.4"
 			},
@@ -3728,103 +3728,120 @@
 			"license": "MIT"
 		},
 		"node_modules/@supabase/auth-js": {
-			"version": "2.89.0",
-			"resolved": "https://registry.npmjs.org/@supabase/auth-js/-/auth-js-2.89.0.tgz",
-			"integrity": "sha512-wiWZdz8WMad8LQdJMWYDZ2SJtZP5MwMqzQq3ehtW2ngiI3UTgbKiFrvMUUS3KADiVlk4LiGfODB2mrYx7w2f8w==",
+			"version": "2.116.0",
+			"resolved": "https://registry.npmjs.org/@supabase/auth-js/-/auth-js-2.116.0.tgz",
+			"integrity": "sha512-Cmosty12gyKGK9N3bQb+lMmuAFev5nmUzaR1AsmZHqKOAGzqX1VQzmp49CNPwOx/pw0H9Qqk4rs9yhwTlKpfDg==",
 			"license": "MIT",
 			"dependencies": {
 				"tslib": "2.8.1"
 			},
 			"engines": {
-				"node": ">=20.0.0"
+				"node": ">=22.0.0"
 			}
 		},
 		"node_modules/@supabase/functions-js": {
-			"version": "2.89.0",
-			"resolved": "https://registry.npmjs.org/@supabase/functions-js/-/functions-js-2.89.0.tgz",
-			"integrity": "sha512-XEueaC5gMe5NufNYfBh9kPwJlP5M2f+Ogr8rvhmRDAZNHgY6mI35RCkYDijd92pMcNM7g8pUUJov93UGUnqfyw==",
+			"version": "2.116.0",
+			"resolved": "https://registry.npmjs.org/@supabase/functions-js/-/functions-js-2.116.0.tgz",
+			"integrity": "sha512-E+VOc2QDcni/fySqkBFiZhnoB3SGydEdZgFI6/dEAGAHx6yEhB46TN9qb2wXs+E+RSzOBV0R6dasiSlw4xlZAA==",
 			"license": "MIT",
 			"dependencies": {
 				"tslib": "2.8.1"
 			},
 			"engines": {
-				"node": ">=20.0.0"
+				"node": ">=22.0.0"
 			}
 		},
+		"node_modules/@supabase/phoenix": {
+			"version": "0.4.5",
+			"resolved": "https://registry.npmjs.org/@supabase/phoenix/-/phoenix-0.4.5.tgz",
+			"integrity": "sha512-aAn9H9ovVyeApKy11OWOrrOGq8DV68yWeH4ud2lN9fzn4aO8Zb5GLL9m1pUg9nLqIcT+ZDfAcsZe0E/nqdv2lw==",
+			"license": "MIT"
+		},
 		"node_modules/@supabase/postgrest-js": {
-			"version": "2.89.0",
-			"resolved": "https://registry.npmjs.org/@supabase/postgrest-js/-/postgrest-js-2.89.0.tgz",
-			"integrity": "sha512-/b0fKrxV9i7RNOEXMno/I1862RsYhuUo+Q6m6z3ar1f4ulTMXnDfv0y4YYxK2POcgrOXQOgKYQx1eArybyNvtg==",
+			"version": "2.116.0",
+			"resolved": "https://registry.npmjs.org/@supabase/postgrest-js/-/postgrest-js-2.116.0.tgz",
+			"integrity": "sha512-kGpVZTDHxFTJS3tu+rU0iTAZ+4U0bcLVjxwCk8f3gRhjw3qdCZjTBlgYvc4kGH2XccmAzbkKwXL/mrNHMGSc+A==",
 			"license": "MIT",
 			"dependencies": {
 				"tslib": "2.8.1"
 			},
 			"engines": {
-				"node": ">=20.0.0"
+				"node": ">=22.0.0"
 			}
 		},
 		"node_modules/@supabase/realtime-js": {
-			"version": "2.89.0",
-			"resolved": "https://registry.npmjs.org/@supabase/realtime-js/-/realtime-js-2.89.0.tgz",
-			"integrity": "sha512-aMOvfDb2a52u6PX6jrrjvACHXGV3zsOlWRzZsTIOAJa0hOVvRp01AwC1+nLTGUzxzezejrYeCX+KnnM1xHdl+w==",
+			"version": "2.116.0",
+			"resolved": "https://registry.npmjs.org/@supabase/realtime-js/-/realtime-js-2.116.0.tgz",
+			"integrity": "sha512-MHAnlXxi2s6yiJsZsQMfs2B3RFxeVfQWxerqYhIMqcCQV/FuY3LIeouPEkXw/ah7wUWMLYwempF9MOCUScyddg==",
 			"license": "MIT",
 			"dependencies": {
-				"@types/phoenix": "^1.6.6",
-				"@types/ws": "^8.18.1",
-				"tslib": "2.8.1",
-				"ws": "^8.18.2"
+				"@supabase/phoenix": "0.4.5",
+				"tslib": "2.8.1"
 			},
 			"engines": {
-				"node": ">=20.0.0"
+				"node": ">=22.0.0"
 			}
 		},
 		"node_modules/@supabase/ssr": {
-			"version": "0.1.0",
-			"resolved": "https://registry.npmjs.org/@supabase/ssr/-/ssr-0.1.0.tgz",
-			"integrity": "sha512-bIVrkqjAK5G3KjkIMKYKtAOlCgRRplEWjrlyRyXSOYtgDieiOhk2ZyNAPsEOa1By9OZVxuX5eAW1fitdnuxayw==",
+			"version": "0.12.7",
+			"resolved": "https://registry.npmjs.org/@supabase/ssr/-/ssr-0.12.7.tgz",
+			"integrity": "sha512-wiBtEie1KkRJi9RrZWY3R2imRhX1JY7qMyUCH2z9AUk15gQebNEplM+urbCKamdxaTJLXUU6LlpkJsaxhojCEg==",
+			"license": "MIT",
 			"dependencies": {
-				"cookie": "^0.5.0",
-				"ramda": "^0.29.0"
+				"cookie": "^1.0.2"
 			},
 			"peerDependencies": {
-				"@supabase/supabase-js": "^2.33.1"
+				"@supabase/supabase-js": "^2.114.0"
 			}
 		},
 		"node_modules/@supabase/ssr/node_modules/cookie": {
-			"version": "0.5.0",
-			"resolved": "https://registry.npmjs.org/cookie/-/cookie-0.5.0.tgz",
-			"integrity": "sha512-YZ3GUyn/o8gfKJlnlX7g7xq4gyO6OSuhGPKaaGssGB2qgDUS0gPgtTvoyZLTt9Ab6dC4hfc9dV5arkvc/OCmrw==",
+			"version": "1.1.1",
+			"resolved": "https://registry.npmjs.org/cookie/-/cookie-1.1.1.tgz",
+			"integrity": "sha512-ei8Aos7ja0weRpFzJnEA9UHJ/7XQmqglbRwnf2ATjcB9Wq874VKH9kfjjirM6UhU2/E5fFYadylyhFldcqSidQ==",
+			"license": "MIT",
 			"engines": {
-				"node": ">= 0.6"
+				"node": ">=18"
+			},
+			"funding": {
+				"type": "opencollective",
+				"url": "https://opencollective.com/express"
 			}
 		},
 		"node_modules/@supabase/storage-js": {
-			"version": "2.89.0",
-			"resolved": "https://registry.npmjs.org/@supabase/storage-js/-/storage-js-2.89.0.tgz",
-			"integrity": "sha512-6zKcXofk/M/4Eato7iqpRh+B+vnxeiTumCIP+Tz26xEqIiywzD9JxHq+udRrDuv6hXE+pmetvJd8n5wcf4MFRQ==",
+			"version": "2.116.0",
+			"resolved": "https://registry.npmjs.org/@supabase/storage-js/-/storage-js-2.116.0.tgz",
+			"integrity": "sha512-6/3hR6vccBP6oGM5B6RfbwZcTCKmQOodd/ZWQdsw8yJsU5zO/a//oBL6yLnmgxcjnHSrelW8rsO7hL5DPybyUQ==",
 			"license": "MIT",
 			"dependencies": {
 				"iceberg-js": "^0.8.1",
 				"tslib": "2.8.1"
 			},
 			"engines": {
-				"node": ">=20.0.0"
+				"node": ">=22.0.0"
 			}
 		},
 		"node_modules/@supabase/supabase-js": {
-			"version": "2.89.0",
-			"resolved": "https://registry.npmjs.org/@supabase/supabase-js/-/supabase-js-2.89.0.tgz",
-			"integrity": "sha512-KlaRwSfFA0fD73PYVMHj5/iXFtQGCcX7PSx0FdQwYEEw9b2wqM7GxadY+5YwcmuEhalmjFB/YvqaoNVF+sWUlg==",
+			"version": "2.116.0",
+			"resolved": "https://registry.npmjs.org/@supabase/supabase-js/-/supabase-js-2.116.0.tgz",
+			"integrity": "sha512-YyWmKXt2NspV9iO8FPnlswUFJIRnrLd3oTCb+3ZyYRuKZtBH0xCUDgnUqoyA0fGUxpM/UhfwDjYf/dht/9bp7g==",
 			"license": "MIT",
 			"dependencies": {
-				"@supabase/auth-js": "2.89.0",
-				"@supabase/functions-js": "2.89.0",
-				"@supabase/postgrest-js": "2.89.0",
-				"@supabase/realtime-js": "2.89.0",
-				"@supabase/storage-js": "2.89.0"
+				"@supabase/auth-js": "2.116.0",
+				"@supabase/functions-js": "2.116.0",
+				"@supabase/postgrest-js": "2.116.0",
+				"@supabase/realtime-js": "2.116.0",
+				"@supabase/storage-js": "2.116.0"
 			},
 			"engines": {
-				"node": ">=20.0.0"
+				"node": ">=22.0.0"
+			},
+			"peerDependencies": {
+				"@opentelemetry/api": ">=1.0.0"
+			},
+			"peerDependenciesMeta": {
+				"@opentelemetry/api": {
+					"optional": true
+				}
 			}
 		},
 		"node_modules/@surma/rollup-plugin-off-main-thread": {
@@ -4016,16 +4033,12 @@
 			"version": "20.12.5",
 			"resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.5.tgz",
 			"integrity": "sha512-BD+BjQ9LS/D8ST9p5uqBxghlN+S42iuNxjsUGjeZobe/ciXzk2qb1B6IXc6AnRLS+yFJRpN2IPEHMzwspfDJNw==",
+			"dev": true,
+			"peer": true,
 			"dependencies": {
 				"undici-types": "~5.26.4"
 			}
 		},
-		"node_modules/@types/phoenix": {
-			"version": "1.6.7",
-			"resolved": "https://registry.npmjs.org/@types/phoenix/-/phoenix-1.6.7.tgz",
-			"integrity": "sha512-oN9ive//QSBkf19rfDv45M7eZPi0eEXylht2OLEXicu5b4KoQ1OzXIw+xDSGWxSxe1JmepRR/ZH283vsu518/Q==",
-			"license": "MIT"
-		},
 		"node_modules/@types/pug": {
 			"version": "2.0.10",
 			"resolved": "https://registry.npmjs.org/@types/pug/-/pug-2.0.10.tgz",
@@ -4062,15 +4075,6 @@
 			"dev": true,
 			"license": "MIT"
 		},
-		"node_modules/@types/ws": {
-			"version": "8.18.1",
-			"resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.18.1.tgz",
-			"integrity": "sha512-ThVF6DCVhA8kUGy+aazFQ4kXQ7E1Ty7A3ypFOe0IcJV8O/M511G99AW24irKrW56Wt44yG9+ij8FaqoBGkuBXg==",
-			"license": "MIT",
-			"dependencies": {
-				"@types/node": "*"
-			}
-		},
 		"node_modules/@typescript-eslint/eslint-plugin": {
 			"version": "7.1.1",
 			"resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-7.1.1.tgz",
@@ -9020,15 +9024,6 @@
 				}
 			]
 		},
-		"node_modules/ramda": {
-			"version": "0.29.1",
-			"resolved": "https://registry.npmjs.org/ramda/-/ramda-0.29.1.tgz",
-			"integrity": "sha512-OfxIeWzd4xdUNxlWhgFazxsA/nl3mS4/jGZI5n00uWOoSSFRhC1b6gl6xvmzUamgmqELraWp0J/qqVlXYPDPyA==",
-			"funding": {
-				"type": "opencollective",
-				"url": "https://opencollective.com/ramda"
-			}
-		},
 		"node_modules/randombytes": {
 			"version": "2.1.0",
 			"resolved": "https://registry.npmjs.org/randombytes/-/randombytes-2.1.0.tgz",
@@ -10908,7 +10903,9 @@
 		"node_modules/undici-types": {
 			"version": "5.26.5",
 			"resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-			"integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+			"integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
+			"dev": true,
+			"peer": true
 		},
 		"node_modules/unicode-canonical-property-names-ecmascript": {
 			"version": "2.0.0",
@@ -12268,27 +12265,6 @@
 				"node": "^20.17.0 || >=22.9.0"
 			}
 		},
-		"node_modules/ws": {
-			"version": "8.18.3",
-			"resolved": "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz",
-			"integrity": "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==",
-			"license": "MIT",
-			"engines": {
-				"node": ">=10.0.0"
-			},
-			"peerDependencies": {
-				"bufferutil": "^4.0.1",
-				"utf-8-validate": ">=5.0.2"
-			},
-			"peerDependenciesMeta": {
-				"bufferutil": {
-					"optional": true
-				},
-				"utf-8-validate": {
-					"optional": true
-				}
-			}
-		},
 		"node_modules/xmlbuilder": {
 			"version": "15.1.1",
 			"resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-15.1.1.tgz",
diff --git a/package.json b/package.json
index 850b3d9..eddd0ab 100644
--- a/package.json
+++ b/package.json
@@ -78,8 +78,8 @@
 	},
 	"type": "module",
 	"dependencies": {
-		"@supabase/ssr": "^0.1.0",
-		"@supabase/supabase-js": "^2.42.0",
+		"@supabase/ssr": "^0.12.7",
+		"@supabase/supabase-js": "^2.116.0",
 		"nanoid": "^5.0.4",
 		"sharp": "^0.33.4"
 	},
diff --git a/src/hooks.server.ts b/src/hooks.server.ts
index 21cb307..d63bc14 100644
--- a/src/hooks.server.ts
+++ b/src/hooks.server.ts
@@ -1,23 +1,20 @@
 import { PUBLIC_SUPABASE_URL, PUBLIC_SUPABASE_ANON_KEY } from '$env/static/public';
 import { createServerClient } from '@supabase/ssr';
 import type { Handle } from '@sveltejs/kit';
-import type { CookieSerializeOptions } from 'cookie';
 
 export const handle: Handle = async ({ event, resolve }) => {
 	event.locals.supabase = createServerClient(PUBLIC_SUPABASE_URL, PUBLIC_SUPABASE_ANON_KEY, {
 		cookies: {
-			get: (key: string) => event.cookies.get(key),
+			getAll: () => event.cookies.getAll(),
 			/**
-			 * Note: You have to add the `path` variable to the
-			 * set and remove method due to sveltekit's cookie API
-			 * requiring this to be set, setting the path to an empty string
-			 * will replicate previous/standard behaviour (https://kit.svelte.dev/docs/types#public-types-cookies)
+			 * Note: You have to add the `path` variable to the set method due to sveltekit's cookie
+			 * API requiring this to be set, setting the path to '/' will replicate previous/standard
+			 * behaviour (https://kit.svelte.dev/docs/types#public-types-cookies)
 			 */
-			set: (key: string, value: string, options: CookieSerializeOptions) => {
-				event.cookies.set(key, value, { ...options, path: '/' });
-			},
-			remove: (key: string, options: CookieSerializeOptions) => {
-				event.cookies.delete(key, { ...options, path: '/' });
+			setAll: (cookiesToSet) => {
+				cookiesToSet.forEach(({ name, value, options }) => {
+					event.cookies.set(name, value, { ...options, path: '/' });
+				});
 			}
 		}
 	});
diff --git a/src/routes/+layout.server.ts b/src/routes/+layout.server.ts
index 1d33583..1dde243 100644
--- a/src/routes/+layout.server.ts
+++ b/src/routes/+layout.server.ts
@@ -1,10 +1,12 @@
 import type { LayoutServerLoad } from './$types';
 
-export const load: LayoutServerLoad = async ({ locals: { safeGetSession } }) => {
+export const load: LayoutServerLoad = async ({ locals: { safeGetSession }, cookies }) => {
 	const { session, user } = await safeGetSession();
 
 	return {
 		session,
-		user
+		user,
+		// The universal layout load rebuilds a server-side client from these during SSR.
+		cookies: cookies.getAll()
 	};
 };
diff --git a/src/routes/+layout.ts b/src/routes/+layout.ts
index d0910b3..72058fb 100644
--- a/src/routes/+layout.ts
+++ b/src/routes/+layout.ts
@@ -1,7 +1,6 @@
 import { PUBLIC_SUPABASE_ANON_KEY, PUBLIC_SUPABASE_URL } from '$env/static/public';
 import type { LayoutLoad } from './$types';
-import { createBrowserClient, isBrowser, parse, serialize } from '@supabase/ssr';
-import type { CookieSerializeOptions } from 'cookie';
+import { createBrowserClient, createServerClient, isBrowser } from '@supabase/ssr';
 
 export const load: LayoutLoad = async ({ fetch, data, depends }) => {
 	depends('supabase:auth');
@@ -31,29 +30,23 @@ export const load: LayoutLoad = async ({ fetch, data, depends }) => {
 		return response;
 	};
 
-	const supabase = createBrowserClient(PUBLIC_SUPABASE_URL, PUBLIC_SUPABASE_ANON_KEY, {
-		global: {
-			fetch: authFetch
-		},
-		cookies: {
-			get(key: string) {
-				if (!isBrowser()) {
-					return JSON.stringify(data.session);
+	// The browser client manages document.cookie itself, including removing stale session chunks.
+	const supabase = isBrowser()
+		? createBrowserClient(PUBLIC_SUPABASE_URL, PUBLIC_SUPABASE_ANON_KEY, {
+				global: {
+					fetch: authFetch
 				}
-
-				const cookie = parse(document.cookie);
-				return cookie[key];
-			},
-			set(key: string, value: string, options: CookieSerializeOptions) {
-				if (isBrowser()) document.cookie = serialize(key, value, { ...options, path: '/' });
-			},
-			remove(key: string, options: CookieSerializeOptions) {
-				if (isBrowser()) {
-					document.cookie = serialize(key, '', { ...options, path: '/', maxAge: 0 });
+			})
+		: createServerClient(PUBLIC_SUPABASE_URL, PUBLIC_SUPABASE_ANON_KEY, {
+				global: {
+					fetch
+				},
+				cookies: {
+					getAll() {
+						return data.cookies;
+					}
 				}
-			}
-		}
-	});
+			});
 
 	/**
 	 * It's fine to use `getSession` here, because on the client, `getSession` is