diff --git a/__snapshots__/packages/mcdoc/test-out/__fixture__/simple_types.spec.js b/__snapshots__/packages/mcdoc/test-out/__fixture__/simple_types.spec.js
index 20330916f..cd16b9e89 100644
--- a/__snapshots__/packages/mcdoc/test-out/__fixture__/simple_types.spec.js
+++ b/__snapshots__/packages/mcdoc/test-out/__fixture__/simple_types.spec.js
@@ -577,7 +577,7 @@ exports['mcdoc __fixture__ simple types 1'] = {
             "kind": "long_array",
             "valueRange": {
               "kind": 0,
-              "min": 1
+              "min": "1"
             }
           }
         },
@@ -1777,15 +1777,15 @@ exports['mcdoc __fixture__ simple types 1'] = {
                       "value": "long"
                     },
                     {
-                      "type": "mcdoc:int_range",
+                      "type": "mcdoc:long_range",
                       "children": [
                         {
-                          "type": "integer",
+                          "type": "long",
                           "range": {
                             "start": 380,
                             "end": 381
                           },
-                          "value": 1
+                          "value": "1"
                         },
                         {
                           "type": "mcdoc:literal",
diff --git a/__snapshots__/packages/mcdoc/test-out/parser/syntax/type/numericType.spec.js b/__snapshots__/packages/mcdoc/test-out/parser/syntax/type/numericType.spec.js
index 0ddf235f9..adb03561f 100644
--- a/__snapshots__/packages/mcdoc/test-out/parser/syntax/type/numericType.spec.js
+++ b/__snapshots__/packages/mcdoc/test-out/parser/syntax/type/numericType.spec.js
@@ -213,6 +213,45 @@ exports['mcdoc numericType Parse "int @ 0..1" 1'] = {
   "errors": []
 }
 
+exports['mcdoc numericType Parse "int @ 10000000000000001" 1'] = {
+  "node": {
+    "type": "mcdoc:type/numeric_type",
+    "children": [
+      {
+        "type": "mcdoc:literal",
+        "range": {
+          "start": 0,
+          "end": 3
+        },
+        "value": "int",
+        "colorTokenType": "type"
+      },
+      {
+        "type": "mcdoc:int_range",
+        "children": [
+          {
+            "type": "integer",
+            "range": {
+              "start": 6,
+              "end": 23
+            },
+            "value": 10000000000000000
+          }
+        ],
+        "range": {
+          "start": 6,
+          "end": 23
+        }
+      }
+    ],
+    "range": {
+      "start": 0,
+      "end": 23
+    }
+  },
+  "errors": []
+}
+
 exports['mcdoc numericType Parse "int @ 4" 1'] = {
   "node": {
     "type": "mcdoc:type/numeric_type",
@@ -299,6 +338,45 @@ exports['mcdoc numericType Parse "int @ 4.." 1'] = {
   "errors": []
 }
 
+exports['mcdoc numericType Parse "long @ 10000000000000001" 1'] = {
+  "node": {
+    "type": "mcdoc:type/numeric_type",
+    "children": [
+      {
+        "type": "mcdoc:literal",
+        "range": {
+          "start": 0,
+          "end": 4
+        },
+        "value": "long",
+        "colorTokenType": "type"
+      },
+      {
+        "type": "mcdoc:long_range",
+        "children": [
+          {
+            "type": "long",
+            "range": {
+              "start": 7,
+              "end": 24
+            },
+            "value": "10000000000000001"
+          }
+        ],
+        "range": {
+          "start": 7,
+          "end": 24
+        }
+      }
+    ],
+    "range": {
+      "start": 0,
+      "end": 24
+    }
+  },
+  "errors": []
+}
+
 exports['mcdoc numericType Parse "other" 1'] = {
   "node": "FAILURE",
   "errors": [
diff --git a/__snapshots__/packages/mcdoc/test-out/parser/syntax/type/primitiveArrayType.spec.js b/__snapshots__/packages/mcdoc/test-out/parser/syntax/type/primitiveArrayType.spec.js
index 61b0bef16..1b6913cd0 100644
--- a/__snapshots__/packages/mcdoc/test-out/parser/syntax/type/primitiveArrayType.spec.js
+++ b/__snapshots__/packages/mcdoc/test-out/parser/syntax/type/primitiveArrayType.spec.js
@@ -262,6 +262,86 @@ exports['mcdoc primitiveArrayType Parse "int[] @ 4" 1'] = {
   "errors": []
 }
 
+exports['mcdoc primitiveArrayType Parse "long @ 10000000000000001.. [] @ 0.." 1'] = {
+  "node": {
+    "type": "mcdoc:type/primitive_array",
+    "children": [
+      {
+        "type": "mcdoc:literal",
+        "range": {
+          "start": 0,
+          "end": 4
+        },
+        "value": "long"
+      },
+      {
+        "type": "mcdoc:long_range",
+        "children": [
+          {
+            "type": "long",
+            "range": {
+              "start": 7,
+              "end": 24
+            },
+            "value": "10000000000000001"
+          },
+          {
+            "type": "mcdoc:literal",
+            "range": {
+              "start": 24,
+              "end": 26
+            },
+            "value": ".."
+          }
+        ],
+        "range": {
+          "start": 7,
+          "end": 26
+        }
+      },
+      {
+        "type": "mcdoc:literal",
+        "range": {
+          "start": 27,
+          "end": 29
+        },
+        "value": "[]",
+        "colorTokenType": "type"
+      },
+      {
+        "type": "mcdoc:int_range",
+        "children": [
+          {
+            "type": "integer",
+            "range": {
+              "start": 32,
+              "end": 33
+            },
+            "value": 0
+          },
+          {
+            "type": "mcdoc:literal",
+            "range": {
+              "start": 33,
+              "end": 35
+            },
+            "value": ".."
+          }
+        ],
+        "range": {
+          "start": 32,
+          "end": 35
+        }
+      }
+    ],
+    "range": {
+      "start": 0,
+      "end": 35
+    }
+  },
+  "errors": []
+}
+
 exports['mcdoc primitiveArrayType Parse "other[]" 1'] = {
   "node": {
     "type": "mcdoc:type/primitive_array",
diff --git a/packages/mcdoc/src/parser/index.ts b/packages/mcdoc/src/parser/index.ts
index e4be0d79a..c78e04d0c 100644
--- a/packages/mcdoc/src/parser/index.ts
+++ b/packages/mcdoc/src/parser/index.ts
@@ -919,7 +919,7 @@ export const numericType: Parser<NumericTypeNode> = typeBase(
 		),
 	}, {
 		predicate: (src) => src.tryPeek('long'),
-		parser: syntax([keyword(NumericTypeIntKinds, { colorTokenType: 'type' }), atLongRange], true),
+		parser: syntax([keyword('long', { colorTokenType: 'type' }), atLongRange], true),
 	}, {
 		parser: syntax([keyword(NumericTypeIntKinds, { colorTokenType: 'type' }), atIntRange], true),
 	}]),
@@ -928,10 +928,12 @@ export const numericType: Parser<NumericTypeNode> = typeBase(
 export const primitiveArrayType: Parser<PrimitiveArrayTypeNode> = typeBase(
 	'mcdoc:type/primitive_array',
 	syntax([
-		any([
-			sequence([literal('long'), atLongRange]),
-			sequence([literal(PrimitiveArrayValueKinds), atIntRange]),
-		]),
+		select([{
+			predicate: (src) => src.tryPeek('long'),
+			parser: syntax([literal('long'), atLongRange], true),
+		}, {
+			parser: syntax([literal(PrimitiveArrayValueKinds), atIntRange], true),
+		}]),
 		keyword('[]', { allowedChars: new Set(['[', ']']), colorTokenType: 'type' }),
 		atIntRange,
 	]),
diff --git a/packages/mcdoc/src/runtime/completer/index.ts b/packages/mcdoc/src/runtime/completer/index.ts
index ac17091c5..2259fae92 100644
--- a/packages/mcdoc/src/runtime/completer/index.ts
+++ b/packages/mcdoc/src/runtime/completer/index.ts
@@ -2,6 +2,7 @@ import type * as core from '@spyglassmc/core'
 import { TypeDefSymbolData } from '../../binder/index.js'
 import type {
 	LiteralType,
+	LongType,
 	McdocType,
 	NumericType,
 	StringType,
@@ -174,7 +175,7 @@ function getStringCompletions(
 }
 
 function getNumericCompletions(
-	typeDef: core.DeepReadonly<NumericType>,
+	typeDef: core.DeepReadonly<NumericType | LongType>,
 	ctx: McdocCompleterContext,
 ) {
 	const ans: SimpleCompletionValue[] = []
diff --git a/packages/mcdoc/test/parser/index.spec.ts b/packages/mcdoc/test/parser/index.spec.ts
index 400d83ce5..755cf4c25 100644
--- a/packages/mcdoc/test/parser/index.spec.ts
+++ b/packages/mcdoc/test/parser/index.spec.ts
@@ -176,6 +176,8 @@ const Suites: Record<
 				'int @ 4..',
 				'int @ ..4',
 				'int @ 0..1',
+				'int @ 10000000000000001',
+				'long @ 10000000000000001',
 				'double@4.2..5.5',
 				'double[]',
 			],
@@ -189,6 +191,7 @@ const Suites: Record<
 				'byte@0..1[]',
 				'int[] @ 4',
 				'byte @ 0..1 [] @ 0..',
+				'long @ 10000000000000001.. [] @ 0..',
 			],
 		},
 		referenceType: { content: ['', '#[uuid] UuidMostLeast', 'MinMaxBounds<float @ 1..2>'] },