diff --git a/.changeset/fresh-jeans-sit.md b/.changeset/fresh-jeans-sit.md
new file mode 100644
index 0000000000..5b4035cbe9
--- /dev/null
+++ b/.changeset/fresh-jeans-sit.md
@@ -0,0 +1,5 @@
+---
+"@tanstack/react-query": patch
+---
+
+fix(react-query): update use-sync-external-store version to support React 19 as peerDep correctly
diff --git a/packages/react-query/package.json b/packages/react-query/package.json
index ed095654c9..163790d496 100644
--- a/packages/react-query/package.json
+++ b/packages/react-query/package.json
@@ -49,7 +49,7 @@
     "@types/jscodeshift": "^0.11.3",
     "@types/react": "^19.1.9",
     "@types/react-dom": "^19.1.7",
-    "@types/use-sync-external-store": "^0.0.3",
+    "@types/use-sync-external-store": "^1.5.0",
     "react": "^19.1.1",
     "react-17": "npm:react@^17.0.2",
     "react-18": "npm:react@^18.2.0",
@@ -61,7 +61,7 @@
   },
   "dependencies": {
     "@tanstack/query-core": "workspace:*",
-    "use-sync-external-store": "^1.2.0"
+    "use-sync-external-store": "^1.6.0"
   },
   "peerDependencies": {
     "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ce5f079edd..4869590063 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1267,8 +1267,8 @@ importers:
         specifier: '*'
         version: 0.64.3(@babel/core@7.28.0)(@babel/preset-env@7.18.6(@babel/core@7.28.0))(encoding@0.1.13)(react@19.1.1)
       use-sync-external-store:
-        specifier: ^1.2.0
-        version: 1.2.0(react@19.1.1)
+        specifier: ^1.6.0
+        version: 1.6.0(react@19.1.1)
     devDependencies:
       '@types/jscodeshift':
         specifier: ^0.11.3
@@ -1280,8 +1280,8 @@ importers:
         specifier: ^19.1.7
         version: 19.1.7(@types/react@19.1.9)
       '@types/use-sync-external-store':
-        specifier: ^0.0.3
-        version: 0.0.3
+        specifier: ^1.5.0
+        version: 1.5.0
       jscodeshift:
         specifier: ^0.13.1
         version: 0.13.1(@babel/preset-env@7.18.6(@babel/core@7.28.0))
@@ -3155,24 +3155,28 @@ packages:
     engines: {node: '>= 10'}
     cpu: [arm64]
     os: [linux]
+    libc: [glibc]
 
   '@next/swc-linux-arm64-musl@12.2.2':
     resolution: {integrity: sha512-rIZRFxI9N/502auJT1i7coas0HTHUM+HaXMyJiCpnY8Rimbo0495ir24tzzHo3nQqJwcflcPTwEh/DV17sdv9A==}
     engines: {node: '>= 10'}
     cpu: [arm64]
     os: [linux]
+    libc: [musl]
 
   '@next/swc-linux-x64-gnu@12.2.2':
     resolution: {integrity: sha512-ir1vNadlUDj7eQk15AvfhG5BjVizuCHks9uZwBfUgT5jyeDCeRvaDCo1+Q6+0CLOAnYDR/nqSCvBgzG2UdFh9A==}
     engines: {node: '>= 10'}
     cpu: [x64]
     os: [linux]
+    libc: [glibc]
 
   '@next/swc-linux-x64-musl@12.2.2':
     resolution: {integrity: sha512-bte5n2GzLN3O8JdSFYWZzMgEgDHZmRz5wiispiiDssj4ik3l8E7wq/czNi8RmIF+ioj2sYVokUNa/ekLzrESWw==}
     engines: {node: '>= 10'}
     cpu: [x64]
     os: [linux]
+    libc: [musl]
 
   '@next/swc-win32-arm64-msvc@12.2.2':
     resolution: {integrity: sha512-ZUGCmcDmdPVSAlwJ/aD+1F9lYW8vttseiv4n2+VCDv5JloxiX9aY32kYZaJJO7hmTLNrprvXkb4OvNuHdN22Jg==}
@@ -3231,21 +3235,25 @@ packages:
     resolution: {integrity: sha512-NmPeCexWIZHW9RM3lDdFENN9C3WtlQ5L4RSNFESIjreS921rgePhulsszYdGnHdcnKPYlBBJnX/NxVsfioBbnQ==}
     cpu: [arm64]
     os: [linux]
+    libc: [glibc]
 
   '@nx/nx-linux-arm64-musl@22.3.3':
     resolution: {integrity: sha512-K02U88Q0dpvCfmSXXvY7KbYQSa1m+mkYeqDBRHp11yHk1GoIqaHp8oEWda7FV4gsriNExPSS5tX1/QGVoLZrCw==}
     cpu: [arm64]
     os: [linux]
+    libc: [musl]
 
   '@nx/nx-linux-x64-gnu@22.3.3':
     resolution: {integrity: sha512-04TEbvgwRaB9ifr39YwJmWh3RuXb4Ry4m84SOJyjNXAfPrepcWgfIQn1VL2ul1Ybq+P023dLO9ME8uqFh6j1YQ==}
     cpu: [x64]
     os: [linux]
+    libc: [glibc]
 
   '@nx/nx-linux-x64-musl@22.3.3':
     resolution: {integrity: sha512-uxBXx5q+S5OGatbYDxnamsKXRKlYn+Eq1nrCAHaf8rIfRoHlDiRV2PqtWuF+O2pxR5FWKpvr+/sZtt9rAf7KMw==}
     cpu: [x64]
     os: [linux]
+    libc: [musl]
 
   '@nx/nx-win32-arm64-msvc@22.3.3':
     resolution: {integrity: sha512-aOwlfD6ZA1K6hjZtbhBSp7s1yi3sHbMpLCa4stXzfhCCpKUv46HU/EdiWdE1N8AsyNFemPZFq81k1VTowcACdg==}
@@ -3703,6 +3711,9 @@ packages:
   '@types/use-sync-external-store@0.0.3':
     resolution: {integrity: sha512-EwmlvuaxPNej9+T4v5AuBPJa2x2UOJVdjCtDHgcDqitUeOtjnJKJ+apYjVcAoBEMjKW1VVFGZLUb5+qqa09XFA==}
 
+  '@types/use-sync-external-store@1.5.0':
+    resolution: {integrity: sha512-5dyB8nLC/qogMrlCizZnYWQTA4lnb/v+It+sqNl5YnSRAPMlIqY/X0Xn+gZw8vOL+TgTTr28VEbn3uf8fUtAkw==}
+
   '@types/yargs-parser@21.0.0':
     resolution: {integrity: sha512-iO9ZQHkZxHn4mSakYV0vFHAVDyEOIJQrV2uZ06HxEPcx+mt8swXoZHIbaaJ2crJYFfErySgktuTZ3BeLz+XmFA==}
 
@@ -9233,6 +9244,11 @@ packages:
     peerDependencies:
       react: ^16.8.0 || ^17.0.0 || ^18.0.0
 
+  use-sync-external-store@1.6.0:
+    resolution: {integrity: sha512-Pp6GSwGP/NrPIrxVFAIkOQeyw8lFenOHijQWkUTrDvrF4ALqylP2C/KCkeS9dpUM3KvYRQhna5vt7IL95+ZQ9w==}
+    peerDependencies:
+      react: ^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
+
   use@3.1.1:
     resolution: {integrity: sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==}
     engines: {node: '>=0.10.0'}
@@ -12198,7 +12214,7 @@ snapshots:
 
   '@babel/template@7.18.10':
     dependencies:
-      '@babel/code-frame': 7.18.6
+      '@babel/code-frame': 7.27.1
       '@babel/parser': 7.27.2
       '@babel/types': 7.27.1
 
@@ -14005,6 +14021,8 @@ snapshots:
 
   '@types/use-sync-external-store@0.0.3': {}
 
+  '@types/use-sync-external-store@1.5.0': {}
+
   '@types/yargs-parser@21.0.0': {}
 
   '@types/yargs@15.0.14':
@@ -21235,6 +21253,10 @@ snapshots:
     dependencies:
       react: 19.1.1
 
+  use-sync-external-store@1.6.0(react@19.1.1):
+    dependencies:
+      react: 19.1.1
+
   use@3.1.1: {}
 
   utif@2.0.1: