diff --git a/memory-viz/package.json b/memory-viz/package.json
index 023df9cf..a9b88082 100644
--- a/memory-viz/package.json
+++ b/memory-viz/package.json
@@ -44,7 +44,7 @@
         "@xmldom/xmldom": "^0.8.10",
         "commander": "^12.1.0",
         "deepmerge": "^4.3.1",
-        "roughjs": "^4.5.0"
+        "roughjs": "^4.6.6"
     },
     "devDependencies": {
         "@babel/core": "^7.20.7",
diff --git a/package-lock.json b/package-lock.json
index 688590b8..5dafe0a9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -95,7 +95,7 @@
                 "@xmldom/xmldom": "^0.8.10",
                 "commander": "^12.1.0",
                 "deepmerge": "^4.3.1",
-                "roughjs": "^4.5.0"
+                "roughjs": "^4.6.6"
             },
             "bin": {
                 "memory-viz": "bin/cli.js"
@@ -10215,6 +10215,11 @@
                 "url": "https://github.com/sponsors/sindresorhus"
             }
         },
+        "node_modules/hachure-fill": {
+            "version": "0.5.2",
+            "resolved": "https://registry.npmjs.org/hachure-fill/-/hachure-fill-0.5.2.tgz",
+            "integrity": "sha512-3GKBOn+m2LX9iq+JC1064cSFprJY4jL1jCXTcpnfER5HYE2l/4EfWSGzkPa/ZDBmYI0ZOEj5VHV/eKnPGkHuOg=="
+        },
         "node_modules/handle-thing": {
             "version": "2.0.1",
             "resolved": "https://registry.npmjs.org/handle-thing/-/handle-thing-2.0.1.tgz",
@@ -18711,10 +18716,11 @@
             }
         },
         "node_modules/roughjs": {
-            "version": "4.5.2",
-            "resolved": "https://registry.npmjs.org/roughjs/-/roughjs-4.5.2.tgz",
-            "integrity": "sha512-2xSlLDKdsWyFxrveYWk9YQ/Y9UfK38EAMRNkYkMqYBJvPX8abCa9PN0x3w02H8Oa6/0bcZICJU+U95VumPqseg==",
+            "version": "4.6.6",
+            "resolved": "https://registry.npmjs.org/roughjs/-/roughjs-4.6.6.tgz",
+            "integrity": "sha512-ZUz/69+SYpFN/g/lUlo2FXcIjRkSu3nDarreVdGGndHEBJ6cXPdKguS8JGxwj5HA5xIbVKSmLgr5b3AWxtRfvQ==",
             "dependencies": {
+                "hachure-fill": "^0.5.2",
                 "path-data-parser": "^0.1.0",
                 "points-on-curve": "^0.2.0",
                 "points-on-path": "^0.2.1"