diff --git a/changelog.md b/changelog.md
index 6683776..d4c3fbb 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [1.4.0] - 2021-05-12
+
+- ball and socket connections for expressing required and provided interfaces
+
 ## [1.3.1] - 2020-11-05
 
 - fix bug where bundles were incompatible with Node 12
diff --git a/dist/nomnoml.js b/dist/nomnoml.js
index 6e50c43..de37081 100644
--- a/dist/nomnoml.js
+++ b/dist/nomnoml.js
@@ -2137,7 +2137,7 @@
         return processImports(loadFile(rootFileName), loadFile, maxImportDepth);
     }
 
-    var version = '1.3.1';
+    var version = '1.4.0';
 
     exports.Classifier = Classifier;
     exports.Compartment = Compartment;
diff --git a/package-lock.json b/package-lock.json
index cb31a0b..58cdfc7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,852 +1,8 @@
 {
   "name": "nomnoml",
-  "version": "1.3.1",
-  "lockfileVersion": 2,
+  "version": "1.4.0",
+  "lockfileVersion": 1,
   "requires": true,
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-      "license": "MIT",
-      "dependencies": {
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-      },
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-      },
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-        "jison": "^0.4.18",
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-        "rollup-plugin-git-version": "^0.3.1",
-        "rollup-plugin-ignore": "^1.0.9",
-        "rollup-plugin-terser": "^7.0.2",
-        "tslib": "^2.1.0",
-        "typescript": "^4.2.3"
-      }
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     },
-    "JSONSelect": {
-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/JSONSelect/-/JSONSelect-0.4.0.tgz",
-      "integrity": "sha1-oI7cxn6z/L6Z7WMIVTRKDPKCu40=",
-      "dev": true
-    },
-    "JSV": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/JSV/-/JSV-4.0.2.tgz",
-      "integrity": "sha1-0Hf2glVx+CEy+d/67Vh7QCn+/1c=",
-      "dev": true
-    },
     "lex-parser": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/lex-parser/-/lex-parser-0.1.4.tgz",
diff --git a/package.json b/package.json
index cc5181d..75395de 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nomnoml",
-  "version": "1.3.1",
+  "version": "1.4.0",
   "description": "The sassy UML renderer that generates diagrams from text",
   "homepage": "http://www.nomnoml.com",
   "author": "Daniel Kallin <daniel.kallin@gmail.com>",
diff --git a/src/index.ts b/src/index.ts
index f363bb5..ac6fe9d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -6,7 +6,7 @@ export {
   processAsyncImports,
   ImportDepthError 
 } from "./nomnoml"
-export var version = '1.3.1'
+export var version = '1.4.0'
 
 export * as skanaar from "./util";
 export { parse, intermediateParse, transformParseIntoSyntaxTree } from "./parser";