diff --git a/package-lock.json b/package-lock.json
index 51bf0cc..bad76fc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -101,11 +101,25 @@
       }
     },
     "@graphprotocol/graph-ts": {
-      "version": "0.20.0",
-      "resolved": "https://registry.npmjs.org/@graphprotocol/graph-ts/-/graph-ts-0.20.0.tgz",
-      "integrity": "sha512-+R0Tu/MD4Fiq0Fo+v1l+xznz+ZrciQKWlzMtXjDrhM70vlMNVL9wDmf90MVFYpslgqIfw024hT6XwlmyNyOWbQ==",
+      "version": "0.20.1",
+      "resolved": "https://registry.npmjs.org/@graphprotocol/graph-ts/-/graph-ts-0.20.1.tgz",
+      "integrity": "sha512-JATb0tERXt+JZUYuW9rwfnLzIM4EOBHf/EEZir5JMiIVMP55CoOyQGAwH2dvKSm5O8WQ1BfdbnOvk7YNVMFHsg==",
       "requires": {
-        "assemblyscript": "git+https://github.com/AssemblyScript/assemblyscript.git#36040d5b5312f19a025782b5e36663823494c2f3"
+        "assemblyscript": "git+https://github.com/AssemblyScript/assemblyscript.git#v0.6"
+      },
+      "dependencies": {
+        "assemblyscript": {
+          "version": "git+https://github.com/AssemblyScript/assemblyscript.git#3ed76a97f05335504166fce1653da75f4face28f",
+          "from": "git+https://github.com/AssemblyScript/assemblyscript.git#v0.6",
+          "requires": {
+            "@protobufjs/utf8": "^1.1.0",
+            "binaryen": "77.0.0-nightly.20190407",
+            "glob": "^7.1.3",
+            "long": "^4.0.0",
+            "opencollective-postinstall": "^2.0.0",
+            "source-map-support": "^0.5.11"
+          }
+        }
       }
     },
     "@protobufjs/utf8": {
diff --git a/package.json b/package.json
index 6c58a35..31887d8 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,6 @@
   },
   "dependencies": {
     "@graphprotocol/graph-cli": "0.20.0",
-    "@graphprotocol/graph-ts": "0.20.0"
+    "@graphprotocol/graph-ts": "0.20.1"
   }
 }