diff --git a/CMake/resolve_dependency_modules/README.md b/CMake/resolve_dependency_modules/README.md
index b3c13da17437..9a8764667c71 100644
--- a/CMake/resolve_dependency_modules/README.md
+++ b/CMake/resolve_dependency_modules/README.md
@@ -31,7 +31,7 @@ by Velox. See details on bundling below.
 | xsimd             | 10.0.0          | Yes      |
 | re2               | 2021-04-01      | Yes      |
 | fmt               | 10.1.1          | Yes      |
-| simdjson          | 3.2.0           | Yes      |
+| simdjson          | 3.8.0           | Yes      |
 | folly             | v2024.04.01.00  | Yes      |
 | fizz              | v2024.04.01.00  | No       |
 | wangle            | v2024.04.01.00  | No       |
@@ -75,4 +75,3 @@ Ideally all patches should be upstream when possible and removed once merged.
 ## Specify a custom url/file path for an offline build
 
 Set environment variables `VELOX_<PACKAGE>_URL` to specify a custom dependency url or local tar file path, an optional sha256 checksum can be provided as `VELOX_<PACKAGE>_SHA256`.
-
diff --git a/CMake/resolve_dependency_modules/simdjson.cmake b/CMake/resolve_dependency_modules/simdjson.cmake
index bff17eaf4d07..279a868e7f47 100644
--- a/CMake/resolve_dependency_modules/simdjson.cmake
+++ b/CMake/resolve_dependency_modules/simdjson.cmake
@@ -13,9 +13,9 @@
 # limitations under the License.
 include_guard(GLOBAL)
 
-set(VELOX_SIMDJSON_VERSION 3.2.0)
+set(VELOX_SIMDJSON_VERSION 3.8.0)
 set(VELOX_SIMDJSON_BUILD_SHA256_CHECKSUM
-    75a684dbbe38cf72b8b3bdbdc430764813f3615899a6029931c26ddd89812da4)
+    e28e3f46f0012d405b67de6c0a75e8d8c9a612b0548cb59687822337d73ca78b)
 set(VELOX_SIMDJSON_SOURCE_URL
     "https://github.com/simdjson/simdjson/archive/refs/tags/v${VELOX_SIMDJSON_VERSION}.tar.gz"
 )
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a9612b017391..9a290d408d01 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -437,7 +437,7 @@ if(${VELOX_BUILD_PYTHON_PACKAGE})
 endif()
 
 set_source(simdjson)
-resolve_dependency(simdjson 3.2.0)
+resolve_dependency(simdjson 3.8.0)
 
 # Locate or build folly.
 add_compile_definitions(FOLLY_HAVE_INT128_T=1)
diff --git a/velox/functions/prestosql/tests/JsonCastTest.cpp b/velox/functions/prestosql/tests/JsonCastTest.cpp
index cbfa04886737..642a3e412cc3 100644
--- a/velox/functions/prestosql/tests/JsonCastTest.cpp
+++ b/velox/functions/prestosql/tests/JsonCastTest.cpp
@@ -828,7 +828,7 @@ TEST_F(JsonCastTest, toInteger) {
       JSON(),
       BIGINT(),
       {"233897314173811950000"_sv},
-      "Problem while parsing a number");
+      "BIGINT_ERROR: Big integer value that cannot be represented using 64 bits");
 }
 
 TEST_F(JsonCastTest, toDouble) {
diff --git a/velox/functions/prestosql/types/JsonType.cpp b/velox/functions/prestosql/types/JsonType.cpp
index 33728eb29653..6f50fefba219 100644
--- a/velox/functions/prestosql/types/JsonType.cpp
+++ b/velox/functions/prestosql/types/JsonType.cpp
@@ -700,6 +700,9 @@ struct CastFromJsonTypedImpl {
             case simdjson::ondemand::number_type::unsigned_integer:
               w = num.get_uint64() != 0;
               break;
+            case simdjson::ondemand::number_type::big_integer:
+              VELOX_UNREACHABLE(); // value.get_number() would have failed
+                                   // already.
           }
           break;
         }
@@ -962,6 +965,9 @@ struct CastFromJsonTypedImpl {
             return convertIfInRange<T>(num.get_int64(), writer);
           case simdjson::ondemand::number_type::unsigned_integer:
             return simdjson::NUMBER_OUT_OF_RANGE;
+          case simdjson::ondemand::number_type::big_integer:
+            VELOX_UNREACHABLE(); // value.get_number() would have failed
+                                 // already.
         }
         break;
       }