diff --git a/lib/ast-node-types.js b/lib/ast-node-types.js
index 1e048da..373ba72 100644
--- a/lib/ast-node-types.js
+++ b/lib/ast-node-types.js
@@ -139,6 +139,7 @@ module.exports = {
     TSReadonlyKeyword: "TSReadonlyKeyword",
     TSStaticKeyword: "TSStaticKeyword",
     TSStringKeyword: "TSStringKeyword",
+    TSSymbolKeyword: "TSSymbolKeyword",
     TSTypeLiteral: "TSTypeLiteral",
     TSTypePredicate: "TSTypePredicate",
     TSTypeReference: "TSTypeReference",
diff --git a/tests/fixtures/typescript/basics/symbol-type-param.src.ts b/tests/fixtures/typescript/basics/symbol-type-param.src.ts
new file mode 100644
index 0000000..b5b19ce
--- /dev/null
+++ b/tests/fixtures/typescript/basics/symbol-type-param.src.ts
@@ -0,0 +1 @@
+function test(abc: Map<symbol, string>) {}
\ No newline at end of file
diff --git a/tests/lib/__snapshots__/typescript.js.snap b/tests/lib/__snapshots__/typescript.js.snap
index 2c6556c..1dbca46 100644
--- a/tests/lib/__snapshots__/typescript.js.snap
+++ b/tests/lib/__snapshots__/typescript.js.snap
@@ -38244,6 +38244,464 @@ Object {
 }
 `;
 
+exports[`typescript fixtures/basics/symbol-type-param.src 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "async": false,
+      "body": Object {
+        "body": Array [],
+        "loc": Object {
+          "end": Object {
+            "column": 42,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 40,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          40,
+          42,
+        ],
+        "type": "BlockStatement",
+      },
+      "expression": false,
+      "generator": false,
+      "id": Object {
+        "loc": Object {
+          "end": Object {
+            "column": 13,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 9,
+            "line": 1,
+          },
+        },
+        "name": "test",
+        "range": Array [
+          9,
+          13,
+        ],
+        "type": "Identifier",
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 42,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "params": Array [
+        Object {
+          "loc": Object {
+            "end": Object {
+              "column": 38,
+              "line": 1,
+            },
+            "start": Object {
+              "column": 14,
+              "line": 1,
+            },
+          },
+          "name": "abc",
+          "range": Array [
+            14,
+            38,
+          ],
+          "type": "Identifier",
+          "typeAnnotation": Object {
+            "loc": Object {
+              "end": Object {
+                "column": 38,
+                "line": 1,
+              },
+              "start": Object {
+                "column": 17,
+                "line": 1,
+              },
+            },
+            "range": Array [
+              17,
+              38,
+            ],
+            "type": "TypeAnnotation",
+            "typeAnnotation": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 38,
+                  "line": 1,
+                },
+                "start": Object {
+                  "column": 19,
+                  "line": 1,
+                },
+              },
+              "range": Array [
+                19,
+                38,
+              ],
+              "type": "TSTypeReference",
+              "typeName": Object {
+                "loc": Object {
+                  "end": Object {
+                    "column": 22,
+                    "line": 1,
+                  },
+                  "start": Object {
+                    "column": 19,
+                    "line": 1,
+                  },
+                },
+                "name": "Map",
+                "range": Array [
+                  19,
+                  22,
+                ],
+                "type": "Identifier",
+              },
+              "typeParameters": Object {
+                "loc": Object {
+                  "end": Object {
+                    "column": 38,
+                    "line": 1,
+                  },
+                  "start": Object {
+                    "column": 22,
+                    "line": 1,
+                  },
+                },
+                "params": Array [
+                  Object {
+                    "loc": Object {
+                      "end": Object {
+                        "column": 29,
+                        "line": 1,
+                      },
+                      "start": Object {
+                        "column": 23,
+                        "line": 1,
+                      },
+                    },
+                    "range": Array [
+                      23,
+                      29,
+                    ],
+                    "type": "TSSymbolKeyword",
+                  },
+                  Object {
+                    "loc": Object {
+                      "end": Object {
+                        "column": 37,
+                        "line": 1,
+                      },
+                      "start": Object {
+                        "column": 31,
+                        "line": 1,
+                      },
+                    },
+                    "range": Array [
+                      31,
+                      37,
+                    ],
+                    "type": "TSStringKeyword",
+                  },
+                ],
+                "range": Array [
+                  22,
+                  38,
+                ],
+                "type": "TypeParameterInstantiation",
+              },
+            },
+          },
+        },
+      ],
+      "range": Array [
+        0,
+        42,
+      ],
+      "type": "FunctionDeclaration",
+    },
+  ],
+  "loc": Object {
+    "end": Object {
+      "column": 42,
+      "line": 1,
+    },
+    "start": Object {
+      "column": 0,
+      "line": 1,
+    },
+  },
+  "range": Array [
+    0,
+    42,
+  ],
+  "sourceType": "script",
+  "tokens": Array [
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 8,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        8,
+      ],
+      "type": "Keyword",
+      "value": "function",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 13,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 9,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        9,
+        13,
+      ],
+      "type": "Identifier",
+      "value": "test",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 14,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 13,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        13,
+        14,
+      ],
+      "type": "Punctuator",
+      "value": "(",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 17,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 14,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        14,
+        17,
+      ],
+      "type": "Identifier",
+      "value": "abc",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 18,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 17,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        17,
+        18,
+      ],
+      "type": "Punctuator",
+      "value": ":",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 22,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 19,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        19,
+        22,
+      ],
+      "type": "Identifier",
+      "value": "Map",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 23,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 22,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        22,
+        23,
+      ],
+      "type": "Punctuator",
+      "value": "<",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 29,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 23,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        23,
+        29,
+      ],
+      "type": "Identifier",
+      "value": "symbol",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 30,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 29,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        29,
+        30,
+      ],
+      "type": "Punctuator",
+      "value": ",",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 37,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 31,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        31,
+        37,
+      ],
+      "type": "Identifier",
+      "value": "string",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 38,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 37,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        37,
+        38,
+      ],
+      "type": "Punctuator",
+      "value": ">",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 39,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 38,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        38,
+        39,
+      ],
+      "type": "Punctuator",
+      "value": ")",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 41,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 40,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        40,
+        41,
+      ],
+      "type": "Punctuator",
+      "value": "{",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 42,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 41,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        41,
+        42,
+      ],
+      "type": "Punctuator",
+      "value": "}",
+    },
+  ],
+  "type": "Program",
+}
+`;
+
 exports[`typescript fixtures/basics/type-alias-declaration.src 1`] = `
 Object {
   "body": Array [