diff --git a/packages/bolt-connection/package.json b/packages/bolt-connection/package.json
index 227074de4..d4edaf390 100644
--- a/packages/bolt-connection/package.json
+++ b/packages/bolt-connection/package.json
@@ -36,7 +36,7 @@
     "@types/node": "^24.3.0",
     "fast-check": "3.23.2",
     "jest": "29.7.0",
-    "@sinonjs/fake-timers": "15.3.2",
+    "@sinonjs/fake-timers": "15.4.0",
     "ts-jest": "29.4.9",
     "typescript": "5.9.3"
   },
diff --git a/packages/neo4j-driver/package.json b/packages/neo4j-driver/package.json
index ae6061d64..3afbddd87 100644
--- a/packages/neo4j-driver/package.json
+++ b/packages/neo4j-driver/package.json
@@ -70,7 +70,7 @@
     "isomorphic-ws": "4.0.1",
     "jest": "29.7.0",
     "jest-environment-jsdom": "29.7.0",
-    "@sinonjs/fake-timers": "15.3.2",
+    "@sinonjs/fake-timers": "15.4.0",
     "minimist": "1.2.8",
     "rollup": "2.80.0",
     "rollup-plugin-polyfill-node": "0.13.0",