diff --git a/packages/babel-generator/test/fixtures/typescript/types-type-operator/input.js b/packages/babel-generator/test/fixtures/typescript/types-type-operator/input.js
index 2027543c4e..1d23f962ef 100644
--- a/packages/babel-generator/test/fixtures/typescript/types-type-operator/input.js
+++ b/packages/babel-generator/test/fixtures/typescript/types-type-operator/input.js
@@ -1 +1,2 @@
 let x: keyof T;
+let y: unique symbol;
diff --git a/packages/babel-generator/test/fixtures/typescript/types-type-operator/output.js b/packages/babel-generator/test/fixtures/typescript/types-type-operator/output.js
index 30a9e239e6..642d99c42b 100644
--- a/packages/babel-generator/test/fixtures/typescript/types-type-operator/output.js
+++ b/packages/babel-generator/test/fixtures/typescript/types-type-operator/output.js
@@ -1 +1,2 @@
-let x: keyof T;
\ No newline at end of file
+let x: keyof T;
+let y: unique symbol;
\ No newline at end of file
diff --git a/packages/babylon/src/plugins/typescript.js b/packages/babylon/src/plugins/typescript.js
index 3116d52a70..693edfe59f 100644
--- a/packages/babylon/src/plugins/typescript.js
+++ b/packages/babylon/src/plugins/typescript.js
@@ -609,8 +609,8 @@ export default (superClass: Class<Parser>): Class<Parser> =>
       return type;
     }
 
-    tsParseTypeOperator(operator: "keyof"): N.TsTypeOperator {
-      const node = this.startNode();
+    tsParseTypeOperator(operator: "keyof" | "unique"): N.TsTypeOperator {
+      const node: N.TsTypeOperator = this.startNode();
       this.expectContextual(operator);
       node.operator = operator;
       node.typeAnnotation = this.tsParseTypeOperatorOrHigher();
@@ -618,10 +618,10 @@ export default (superClass: Class<Parser>): Class<Parser> =>
     }
 
     tsParseTypeOperatorOrHigher(): N.TsType {
-      if (this.isContextual("keyof")) {
-        return this.tsParseTypeOperator("keyof");
-      }
-      return this.tsParseArrayTypeOrHigher();
+      const operator = ["keyof", "unique"].find(kw => this.isContextual(kw));
+      return operator
+        ? this.tsParseTypeOperator(operator)
+        : this.tsParseArrayTypeOrHigher();
     }
 
     tsParseUnionOrIntersectionType(
diff --git a/packages/babylon/src/types.js b/packages/babylon/src/types.js
index 47b9c856e1..7b30b56604 100644
--- a/packages/babylon/src/types.js
+++ b/packages/babylon/src/types.js
@@ -1149,7 +1149,7 @@ export type TsParenthesizedType = TsTypeBase & {
 
 export type TsTypeOperator = TsTypeBase & {
   type: "TSTypeOperator",
-  operator: "keyof",
+  operator: "keyof" | "unique",
   typeAnnotation: TsType,
 };
 
diff --git a/packages/babylon/test/fixtures/typescript/types/type-operator/input.js b/packages/babylon/test/fixtures/typescript/types/type-operator/input.js
index 2027543c4e..1d23f962ef 100644
--- a/packages/babylon/test/fixtures/typescript/types/type-operator/input.js
+++ b/packages/babylon/test/fixtures/typescript/types/type-operator/input.js
@@ -1 +1,2 @@
 let x: keyof T;
+let y: unique symbol;
diff --git a/packages/babylon/test/fixtures/typescript/types/type-operator/output.json b/packages/babylon/test/fixtures/typescript/types/type-operator/output.json
index 2ad318fae1..e1d2461e11 100644
--- a/packages/babylon/test/fixtures/typescript/types/type-operator/output.json
+++ b/packages/babylon/test/fixtures/typescript/types/type-operator/output.json
@@ -1,29 +1,29 @@
 {
   "type": "File",
   "start": 0,
-  "end": 15,
+  "end": 37,
   "loc": {
     "start": {
       "line": 1,
       "column": 0
     },
     "end": {
-      "line": 1,
-      "column": 15
+      "line": 2,
+      "column": 21
     }
   },
   "program": {
     "type": "Program",
     "start": 0,
-    "end": 15,
+    "end": 37,
     "loc": {
       "start": {
         "line": 1,
         "column": 0
       },
       "end": {
-        "line": 1,
-        "column": 15
+        "line": 2,
+        "column": 21
       }
     },
     "sourceType": "module",
@@ -141,6 +141,103 @@
           }
         ],
         "kind": "let"
+      },
+      {
+        "type": "VariableDeclaration",
+        "start": 16,
+        "end": 37,
+        "loc": {
+          "start": {
+            "line": 2,
+            "column": 0
+          },
+          "end": {
+            "line": 2,
+            "column": 21
+          }
+        },
+        "declarations": [
+          {
+            "type": "VariableDeclarator",
+            "start": 20,
+            "end": 36,
+            "loc": {
+              "start": {
+                "line": 2,
+                "column": 4
+              },
+              "end": {
+                "line": 2,
+                "column": 20
+              }
+            },
+            "id": {
+              "type": "Identifier",
+              "start": 20,
+              "end": 36,
+              "loc": {
+                "start": {
+                  "line": 2,
+                  "column": 4
+                },
+                "end": {
+                  "line": 2,
+                  "column": 20
+                },
+                "identifierName": "y"
+              },
+              "name": "y",
+              "typeAnnotation": {
+                "type": "TSTypeAnnotation",
+                "start": 21,
+                "end": 36,
+                "loc": {
+                  "start": {
+                    "line": 2,
+                    "column": 5
+                  },
+                  "end": {
+                    "line": 2,
+                    "column": 20
+                  }
+                },
+                "typeAnnotation": {
+                  "type": "TSTypeOperator",
+                  "start": 23,
+                  "end": 36,
+                  "loc": {
+                    "start": {
+                      "line": 2,
+                      "column": 7
+                    },
+                    "end": {
+                      "line": 2,
+                      "column": 20
+                    }
+                  },
+                  "operator": "unique",
+                  "typeAnnotation": {
+                    "type": "TSSymbolKeyword",
+                    "start": 30,
+                    "end": 36,
+                    "loc": {
+                      "start": {
+                        "line": 2,
+                        "column": 14
+                      },
+                      "end": {
+                        "line": 2,
+                        "column": 20
+                      }
+                    }
+                  }
+                }
+              }
+            },
+            "init": null
+          }
+        ],
+        "kind": "let"
       }
     ],
     "directives": []