diff --git a/package-lock.json b/package-lock.json
index ac28452..3d9471a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -374,9 +374,6 @@
     },
     "@quid2/adt": {
       "version": "file:../adt",
-      "requires": {
-        "@quid2/prim": "@quid2/prim@git+https://github.com/Quid2/ts-core.git"
-      },
       "dependencies": {
         "@quid2/prim": {
           "version": "git+https://github.com/Quid2/ts-core.git",
@@ -493,9 +490,9 @@
       }
     },
     "ajv": {
-      "version": "6.12.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.2.tgz",
-      "integrity": "sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "dev": true,
       "requires": {
         "fast-deep-equal": "^3.1.1",