diff --git a/CHANGELOG.md b/CHANGELOG.md
index 277d7a0d..b0a36fb4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+* Upgrade @hpcc-js/wasm to 2.14.1 (Graphviz 9.0.0)
+
 ## [5.1.0] – 2023-08-01
 
 ### Changed
diff --git a/package-lock.json b/package-lock.json
index 7d58cbd4..f15a50b5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "5.1.0",
       "license": "BSD-3-Clause",
       "dependencies": {
-        "@hpcc-js/wasm": "2.13.1",
+        "@hpcc-js/wasm": "^2.14.1",
         "d3-dispatch": "^3.0.1",
         "d3-format": "^3.1.0",
         "d3-interpolate": "^3.0.1",
@@ -1780,9 +1780,9 @@
       "dev": true
     },
     "node_modules/@hpcc-js/wasm": {
-      "version": "2.13.1",
-      "resolved": "https://registry.npmjs.org/@hpcc-js/wasm/-/wasm-2.13.1.tgz",
-      "integrity": "sha512-dJO0VQZFtUcqledAAU8b0yCw3HdkIVyrNjv8sAwdhDcOMRKdaNumi7Punj39u5h2CpdMN4g6I4gp584g/zVSzA==",
+      "version": "2.14.1",
+      "resolved": "https://registry.npmjs.org/@hpcc-js/wasm/-/wasm-2.14.1.tgz",
+      "integrity": "sha512-ncPvj0dEjoye8jD1NAwdThXlZ5mpuGRyRwaNWU6JVBgyT8TewVDmG+RAOXPysyaP1Ui8Lm7562W4KawZtPwa1A==",
       "dependencies": {
         "yargs": "17.7.2"
       },
@@ -7020,9 +7020,9 @@
       "dev": true
     },
     "@hpcc-js/wasm": {
-      "version": "2.13.1",
-      "resolved": "https://registry.npmjs.org/@hpcc-js/wasm/-/wasm-2.13.1.tgz",
-      "integrity": "sha512-dJO0VQZFtUcqledAAU8b0yCw3HdkIVyrNjv8sAwdhDcOMRKdaNumi7Punj39u5h2CpdMN4g6I4gp584g/zVSzA==",
+      "version": "2.14.1",
+      "resolved": "https://registry.npmjs.org/@hpcc-js/wasm/-/wasm-2.14.1.tgz",
+      "integrity": "sha512-ncPvj0dEjoye8jD1NAwdThXlZ5mpuGRyRwaNWU6JVBgyT8TewVDmG+RAOXPysyaP1Ui8Lm7562W4KawZtPwa1A==",
       "requires": {
         "yargs": "17.7.2"
       }
diff --git a/package.json b/package.json
index 3b6badba..066a27ef 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "tiny-worker": "^2.3.0"
   },
   "dependencies": {
-    "@hpcc-js/wasm": "2.13.1",
+    "@hpcc-js/wasm": "^2.14.1",
     "d3-dispatch": "^3.0.1",
     "d3-format": "^3.1.0",
     "d3-interpolate": "^3.0.1",
diff --git a/test/dot-data-test.js b/test/dot-data-test.js
index 34a357f6..4854ce36 100644
--- a/test/dot-data-test.js
+++ b/test/dot-data-test.js
@@ -458,17 +458,17 @@ var basic_data = {
                             "attributes": {
                                 "fill": "none",
                                 "stroke": "black",
-                                "d": "M27,-71.7C27,-64.24 27,-55.32 27,-46.97"
+                                "d": "M27,-71.7C27,-64.41 27,-55.73 27,-47.54"
                             },
                             "bbox": {
                                 "x": 27,
                                 "y": -71.7,
                                 "width": 0,
-                                "height": 24.730000000000004
+                                "height": 24.160000000000004
                             },
                             "center": {
                                 "x": 27,
-                                "y": -59.335
+                                "y": -59.620000000000005
                             },
                             "totalLength": 100,
                             "parent": "[Circular ~.children.1.children.15]",
@@ -490,17 +490,17 @@ var basic_data = {
                             "attributes": {
                                 "fill": "black",
                                 "stroke": "black",
-                                "points": "30.5,-47.1 27,-37.1 23.5,-47.1 30.5,-47.1"
+                                "points": "30.5,-47.62 27,-37.62 23.5,-47.62 30.5,-47.62"
                             },
                             "bbox": {
                                 "x": 23.5,
-                                "y": -47.1,
+                                "y": -47.62,
                                 "width": 7,
                                 "height": 10
                             },
                             "center": {
                                 "x": 27,
-                                "y": -42.1
+                                "y": -42.62
                             },
                             "parent": "[Circular ~.children.1.children.15]",
                             "children": [],
diff --git a/test/drawEdge-test.js b/test/drawEdge-test.js
index 12c73045..ebf33dd6 100644
--- a/test/drawEdge-test.js
+++ b/test/drawEdge-test.js
@@ -30,12 +30,12 @@ it("Check our understanding of how Graphviz draws edges.", async () => {
     assert.equal(d3.selectAll('path').size(), num_edges, 'Number of initial paths');
     const arrowHeadLength = 10;
     const arrowHeadWidth = 7;
-    const margin = -0.14;
+    const margin = -0.1;
     // start of edge tail
     const x1 = 54.4;
     const y1 = -18;
      // end of edge arrowhead
-    const x2 = 88.62;
+    const x2 = 88.1;
     const y2 = -18.000;
 
     const line = d3.selectAll('.edge').selectAll('path').filter(function (d) {
@@ -55,9 +55,9 @@ it("Check our understanding of how Graphviz draws edges.", async () => {
     var expected_y = [];
     expected_x.push(x1);
     expected_y.push(y1);
-    expected_x.push(62.06);
+    expected_x.push(61.89);
     expected_y.push(y1);
-    expected_x.push(70.57);
+    expected_x.push(70.18);
     expected_y.push(y1);
     expected_x.push(Math.round((x2 - margin - arrowHeadLength) * 1000) / 1000);
     expected_y.push(y2);
diff --git a/test/graphviz-test.js b/test/graphviz-test.js
index e4fa7704..fbbe7e34 100644
--- a/test/graphviz-test.js
+++ b/test/graphviz-test.js
@@ -30,8 +30,8 @@ it("graphviz().render() renders an SVG from graphviz DOT.", async () => {
 <!-- a&#45;&gt;b -->
 <g id="edge1" class="edge">
 <title>a-&gt;b</title>
-<path fill="none" stroke="black" d="M27,-71.7C27,-64.24 27,-55.32 27,-46.97"></path>
-<polygon fill="black" stroke="black" points="30.5,-47.1 27,-37.1 23.5,-47.1 30.5,-47.1"></polygon>
+<path fill="none" stroke="black" d="M27,-71.7C27,-64.41 27,-55.73 27,-47.54"></path>
+<polygon fill="black" stroke="black" points="30.5,-47.62 27,-37.62 23.5,-47.62 30.5,-47.62"></polygon>
 </g>
 </g>
 </svg>`;