diff --git a/package.json b/package.json
index d959a6003..09183ba62 100644
--- a/package.json
+++ b/package.json
@@ -66,7 +66,7 @@
     "semver": "5.4.1",
     "string-width": "3.0.0",
     "typescript": "3.2.2",
-    "typescript-estree": "15.0.0",
+    "typescript-estree": "18.0.0",
     "unicode-regex": "2.0.0",
     "unified": "6.1.6",
     "vnopts": "1.0.2",
diff --git a/src/language-js/printer-estree.js b/src/language-js/printer-estree.js
index bd5024ae2..6dc595828 100644
--- a/src/language-js/printer-estree.js
+++ b/src/language-js/printer-estree.js
@@ -1227,15 +1227,15 @@ function printPathNoParens(path, options, print, args) {
         " "
       );
 
-      if (n.heritage.length) {
+      if (n.extends && n.extends.length) {
         parts.push(
           group(
             indent(
               concat([
                 softline,
                 "extends ",
-                (n.heritage.length === 1 ? identity : indent)(
-                  join(concat([",", line]), path.map(print, "heritage"))
+                (n.extends.length === 1 ? identity : indent)(
+                  join(concat([",", line]), path.map(print, "extends"))
                 ),
                 " "
               ])
@@ -2353,7 +2353,7 @@ function printPathNoParens(path, options, print, args) {
       parts.push(concat(printClass(path, options, print)));
       return concat(parts);
     case "TSInterfaceHeritage":
-      parts.push(path.call(print, "id"));
+      parts.push(path.call(print, "expression"));
 
       if (n.typeParameters) {
         parts.push(path.call(print, "typeParameters"));
@@ -2798,6 +2798,11 @@ function printPathNoParens(path, options, print, args) {
         path.call(print, "id"),
         path.call(print, "typeParameters")
       ]);
+    case "TSClassImplements":
+      return concat([
+        path.call(print, "expression"),
+        path.call(print, "typeParameters")
+      ]);
     case "TSIntersectionType":
     case "IntersectionTypeAnnotation": {
       const types = path.map(print, "types");
@@ -3224,7 +3229,7 @@ function printPathNoParens(path, options, print, args) {
         n.static ? "static " : "",
         n.readonly ? "readonly " : "",
         "[",
-        path.call(print, "index"),
+        n.parameters ? concat(path.map(print, "parameters")) : "",
         "]: ",
         path.call(print, "typeAnnotation"),
         parent.type === "ClassBody" ? semi : ""
diff --git a/yarn.lock b/yarn.lock
index 1207becff..ff37cbd48 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5763,10 +5763,10 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript-estree@15.0.0:
-  version "15.0.0"
-  resolved "https://registry.yarnpkg.com/typescript-estree/-/typescript-estree-15.0.0.tgz#1fdc98b8e3bec0f5cdb00a90d8cfc4395d848a86"
-  integrity sha512-5/dqC8RPfa2jiaY9SSozUM/l3DKT1TuJgJw6SFOfd/Lr3yRjeids8exv1t77W6zeMJ0QGKgU1ZV6eJg/8CjN+w==
+typescript-estree@18.0.0:
+  version "18.0.0"
+  resolved "https://registry.yarnpkg.com/typescript-estree/-/typescript-estree-18.0.0.tgz#a309f6c6502c64d74b3f88c205d871a9af0b1d40"
+  integrity sha512-HxTWrzFyYOPWA91Ij7xL9mNUVpGTKLH2KiaBn28CMbYgX2zgWdJqU9hO7Are+pAPAqY91NxAYoaAyDDZ3rLj2A==
   dependencies:
     lodash.unescape "4.0.1"
     semver "5.5.0"