diff --git a/.changeset/dependencies-GH-26.md b/.changeset/dependencies-GH-26.md
new file mode 100644
index 0000000..ae682c3
--- /dev/null
+++ b/.changeset/dependencies-GH-26.md
@@ -0,0 +1,5 @@
+---
+"@portabletext/react-pdf": patch
+---
+
+fix(deps): update dependency @portabletext/react to v4
diff --git a/package.json b/package.json
index 012aeb9..f1bf539 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
 	},
 	"browserslist": "extends @sanity/browserslist-config",
 	"dependencies": {
-		"@portabletext/react": "^3.2.3",
+		"@portabletext/react": "^4.0.3",
 		"@portabletext/toolkit": "^3.0.0",
 		"@react-pdf/renderer": "^4.3.0",
 		"flat": "^6.0.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9b2dbf9..8882746 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -9,11 +9,11 @@ importers:
   .:
     dependencies:
       '@portabletext/react':
-        specifier: ^3.2.3
-        version: 3.2.3(react@19.1.1)
+        specifier: ^4.0.3
+        version: 4.0.3(react@19.1.1)
       '@portabletext/toolkit':
         specifier: ^3.0.0
-        version: 3.0.0
+        version: 3.0.3
       '@react-pdf/renderer':
         specifier: ^4.3.0
         version: 4.3.0(react@19.1.1)
@@ -884,18 +884,14 @@ packages:
     resolution: {integrity: sha512-c83qWb22rNRuB0UaVCI0uRPNRr8Z0FWnEIvT47jiHAmOIUHbBOg5XvV7pM5x+rKn9HRpjxquDbXYSXr3fAKFcw==}
     engines: {node: '>=12'}
 
-  '@portabletext/react@3.2.3':
-    resolution: {integrity: sha512-SpTBIRmYipbKYlzAasgLKnLK1LmSSPP13mzlZzGciTD5YDc8dvCNLKImLCBHc1Dm1wyeRw8NQkbdTlvt1BY1Iw==}
+  '@portabletext/react@4.0.3':
+    resolution: {integrity: sha512-sdVSXbi0L5MBVb1Ch5KwbBPZjW/Oqe6s5ZkPi4LcItzHl8rqY2jB0VxsFaGywZyn8Jc47cGLaOtyBM9HkW/9Hg==}
     engines: {node: ^14.13.1 || >=16.0.0}
     peerDependencies:
-      react: ^17 || ^18 || >=19.0.0-0
+      react: ^18.2 || ^19
 
-  '@portabletext/toolkit@2.0.18':
-    resolution: {integrity: sha512-m3v2WwKQTNNk5BFZlUuPuCW0Zi6iDSpwrium4Ej5L2FHDXhFuwAyEMPXDrvwPvqjES/oJzcwmdKLMhYa44T9BQ==}
-    engines: {node: ^14.13.1 || >=16.0.0}
-
-  '@portabletext/toolkit@3.0.0':
-    resolution: {integrity: sha512-50otiRkac8unAAU+U9VdhpkZ4FqTG64kzz/6ckeBigKG/cGSU8YZLfmvDhdMH8tw+/uTI7d9Skwqm8RnTHZwDw==}
+  '@portabletext/toolkit@3.0.3':
+    resolution: {integrity: sha512-EI59/l4E0E5wCyWUzvW1FPKWfqDsbebCnCf9ZDHjXGH95X4EORlCtnPuA79PpKaHv0LTChORy55trRzW6tYnOQ==}
     engines: {node: ^14.13.1 || >=16.0.0}
 
   '@portabletext/types@2.0.15':
@@ -3612,6 +3608,7 @@ packages:
   whatwg-encoding@3.1.1:
     resolution: {integrity: sha512-6qN4hJdMwfYBtE3YBTTHhoeuUrDBPZmbQaxWAqSALV/MeEnR5z1xd8UKud2RAkFoPkmB+hli1TZSnyi84xz1vQ==}
     engines: {node: '>=18'}
+    deprecated: Use @exodus/bytes instead for a more spec-conformant and faster implementation
 
   whatwg-mimetype@4.0.0:
     resolution: {integrity: sha512-QaKxh0eNIi2mE9p2vEdzfagOKHCcj1pJ56EEHGQOVxp8r9/iszLUUV7v89x9O1p/T+NlTM5W7jW6+cz4Fq1YVg==}
@@ -4682,17 +4679,13 @@ snapshots:
       '@pnpm/network.ca-file': 1.0.2
       config-chain: 1.1.13
 
-  '@portabletext/react@3.2.3(react@19.1.1)':
+  '@portabletext/react@4.0.3(react@19.1.1)':
     dependencies:
-      '@portabletext/toolkit': 2.0.18
+      '@portabletext/toolkit': 3.0.3
       '@portabletext/types': 2.0.15
       react: 19.1.1
 
-  '@portabletext/toolkit@2.0.18':
-    dependencies:
-      '@portabletext/types': 2.0.15
-
-  '@portabletext/toolkit@3.0.0':
+  '@portabletext/toolkit@3.0.3':
     dependencies:
       '@portabletext/types': 2.0.15