diff --git a/examples/apollo/package.json b/examples/apollo/package.json
index 96a79b696..2b8ae648e 100644
--- a/examples/apollo/package.json
+++ b/examples/apollo/package.json
@@ -10,7 +10,7 @@
     "graphiql": "graphclient serve-dev"
   },
   "dependencies": {
-    "@apollo/client": "3.12.11",
+    "@apollo/client": "4.1.7",
     "@graphprotocol/client-apollo": "2.0.7",
     "graphql": "16.10.0",
     "react": "19.0.0",
diff --git a/packages/apollo/package.json b/packages/apollo/package.json
index 07dcb159a..b81c24285 100644
--- a/packages/apollo/package.json
+++ b/packages/apollo/package.json
@@ -51,7 +51,7 @@
   },
   "peerDependencies": {
     "graphql": "^15.2.0 || ^16.0.0",
-    "@apollo/client": "^3.5.0"
+    "@apollo/client": "^3.5.0 || ^4.0.0"
   },
   "type": "module",
   "bob": {
diff --git a/yarn.lock b/yarn.lock
index 9ecc28d41..b599f5235 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -20,24 +20,18 @@
     "@jridgewell/gen-mapping" "^0.3.5"
     "@jridgewell/trace-mapping" "^0.3.24"
 
-"@apollo/client@3.12.11":
-  version "3.12.11"
-  resolved "https://registry.npmjs.org/@apollo/client/-/client-3.12.11.tgz"
-  integrity sha512-1RppV9U3E6Uusl/33yGkZa+rXpkGU5iCstcYltwWjdTjoA/YBD2Yyu0aHy8J4uKfIExUgnMW1HJWn4A0E0rRsw==
+"@apollo/client@4.1.7":
+  version "4.1.7"
+  resolved "https://registry.yarnpkg.com/@apollo/client/-/client-4.1.7.tgz#c7a85132437fbc62f48eb67337a25664c7174257"
+  integrity sha512-CE1Pe22vszRBMGrBOovIXzTa5infy1kwF0kWX2JBLcGFXoOPBOAo9zoM++tuSRZr8PscWJyv2ka2FKoyEquEHw==
   dependencies:
     "@graphql-typed-document-node/core" "^3.1.1"
     "@wry/caches" "^1.0.0"
     "@wry/equality" "^0.5.6"
     "@wry/trie" "^0.5.0"
     graphql-tag "^2.12.6"
-    hoist-non-react-statics "^3.3.2"
     optimism "^0.18.0"
-    prop-types "^15.7.2"
-    rehackt "^0.1.0"
-    symbol-observable "^4.0.0"
-    ts-invariant "^0.10.3"
     tslib "^2.3.0"
-    zen-observable-ts "^1.2.5"
 
 "@ardatan/relay-compiler@12.0.0":
   version "12.0.0"
@@ -5457,13 +5451,6 @@ header-case@^2.0.4:
     capital-case "^1.0.4"
     tslib "^2.0.3"
 
-hoist-non-react-statics@^3.3.2:
-  version "3.3.2"
-  resolved "https://registry.npmjs.org/hoist-non-react-statics/-/hoist-non-react-statics-3.3.2.tgz"
-  integrity sha512-/gGivxi8JPKWNm/W0jSmzcMPpfpPLc3dY/6GxhX2hQ9iGj3aDfklV4ET7NjKpSinLpJ5vafa9iiGIEZg10SfBw==
-  dependencies:
-    react-is "^16.7.0"
-
 html-escaper@^2.0.0:
   version "2.0.2"
   resolved "https://registry.npmjs.org/html-escaper/-/html-escaper-2.0.2.tgz"
@@ -7268,7 +7255,7 @@ prompts@^2.0.1:
     kleur "^3.0.3"
     sisteransi "^1.0.5"
 
-prop-types@^15.7.2, prop-types@^15.8.1:
+prop-types@^15.8.1:
   version "15.8.1"
   resolved "https://registry.npmjs.org/prop-types/-/prop-types-15.8.1.tgz"
   integrity sha512-oj87CgZICdulUohogVAR7AjlC0327U4el4L6eAvOqCeudMDVU0NThNaV+b9Df4dXgSP1gXMTnPdhfe/2qDH5cg==
@@ -7304,7 +7291,7 @@ react-dom@19.0.0:
   dependencies:
     scheduler "^0.25.0"
 
-react-is@^16.13.1, react-is@^16.7.0:
+react-is@^16.13.1:
   version "16.13.1"
   resolved "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
@@ -7415,11 +7402,6 @@ regjsparser@^0.12.0:
   dependencies:
     jsesc "~3.0.2"
 
-rehackt@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.npmjs.org/rehackt/-/rehackt-0.1.0.tgz"
-  integrity sha512-7kRDOuLHB87D/JESKxQoRwv4DzbIdwkAGQ7p6QKGdVlY1IZheUnVhlk/4UZlNUVxdAXpyxikE3URsG067ybVzw==
-
 relay-runtime@12.0.0:
   version "12.0.0"
   resolved "https://registry.npmjs.org/relay-runtime/-/relay-runtime-12.0.0.tgz"
@@ -8058,11 +8040,6 @@ swap-case@^2.0.2:
   dependencies:
     tslib "^2.0.3"
 
-symbol-observable@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.npmjs.org/symbol-observable/-/symbol-observable-4.0.0.tgz"
-  integrity sha512-b19dMThMV4HVFynSAM1++gBHAbk2Tc/osgLIBZMKsyqh34jb2e8Os7T6ZW/Bt3pJFdBTd2JwAnAAEQV7rSNvcQ==
-
 sync-fetch@0.6.0-2:
   version "0.6.0-2"
   resolved "https://registry.npmjs.org/sync-fetch/-/sync-fetch-0.6.0-2.tgz"
@@ -8159,13 +8136,6 @@ ts-interface-checker@^0.1.9:
   resolved "https://registry.npmjs.org/ts-interface-checker/-/ts-interface-checker-0.1.13.tgz"
   integrity sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA==
 
-ts-invariant@^0.10.3:
-  version "0.10.3"
-  resolved "https://registry.npmjs.org/ts-invariant/-/ts-invariant-0.10.3.tgz"
-  integrity sha512-uivwYcQaxAucv1CzRp2n/QdYPo4ILf9VXgH19zEIjFx2EJufV16P0JtJVpYHy89DItG6Kwj2oIUjrcK5au+4tQ==
-  dependencies:
-    tslib "^2.1.0"
-
 ts-jest@29.2.5:
   version "29.2.5"
   resolved "https://registry.npmjs.org/ts-jest/-/ts-jest-29.2.5.tgz"
@@ -8693,18 +8663,6 @@ yocto-queue@^1.0.0:
   resolved "https://registry.npmjs.org/yocto-queue/-/yocto-queue-1.1.1.tgz"
   integrity sha512-b4JR1PFR10y1mKjhHY9LaGo6tmrgjit7hxVIeAmyMw3jegXR4dhYqLaQF5zMXZxY7tLpMyJeLjr1C4rLmkVe8g==
 
-zen-observable-ts@^1.2.5:
-  version "1.2.5"
-  resolved "https://registry.npmjs.org/zen-observable-ts/-/zen-observable-ts-1.2.5.tgz"
-  integrity sha512-QZWQekv6iB72Naeake9hS1KxHlotfRpe+WGNbNx5/ta+R3DNjVO2bswf63gXlWDcs+EMd7XY8HfVQyP1X6T4Zg==
-  dependencies:
-    zen-observable "0.8.15"
-
-zen-observable@0.8.15:
-  version "0.8.15"
-  resolved "https://registry.npmjs.org/zen-observable/-/zen-observable-0.8.15.tgz"
-  integrity sha512-PQ2PC7R9rslx84ndNBZB/Dkv8V8fZEpk83RLgXtYd0fwUgEjseMn1Dgajh2x6S8QbZAFa9p2qVCEuYZNgve0dQ==
-
 zod@^3.20.2, zod@^3.24.2:
   version "3.25.76"
   resolved "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz"