diff --git a/package-lock.json b/package-lock.json
index 7a8bb15..d321f42 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,6 +11,7 @@
         "@babel/core": "^7.18.10",
         "@babel/plugin-transform-react-jsx": "^7.18.6",
         "@babel/preset-react": "^7.18.6",
+        "@bpmn-io/properties-panel": "^0.18.0",
         "@ginkgo-bioworks/react-json-schema-form-builder": "^2.9.0",
         "@monaco-editor/react": "^4.4.5",
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@@ -27,7 +28,7 @@
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         "bpmn-js": "^9.3.2",
         "bpmn-js-properties-panel": "^1.2.0",
-        "bpmn-js-spiffworkflow": "^0.0.8",
+        "bpmn-js-spiffworkflow": "sartography/bpmn-js-spiffworkflow#feature/messages",
         "craco": "^0.0.3",
         "date-fns": "^2.28.0",
         "diagram-js": "^8.5.0",
@@ -71,60 +72,6 @@
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@@ -2121,19 +2068,34 @@
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+      "resolved": "https://registry.npmjs.org/@bpmn-io/extract-process-variables/-/extract-process-variables-0.5.1.tgz",
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+      "resolved": "https://registry.npmjs.org/@bpmn-io/feel-editor/-/feel-editor-0.2.0.tgz",
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+        "@codemirror/commands": "^6.0.0",
+        "@codemirror/language": "^6.0.0",
+        "@codemirror/lint": "^6.0.0",
+        "@codemirror/state": "^6.0.0",
+        "@codemirror/view": "^6.0.0",
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+        "lezer-feel": "^0.4.0"
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+    "node_modules/@bpmn-io/properties-panel": {
+      "version": "0.18.0",
+      "resolved": "https://registry.npmjs.org/@bpmn-io/properties-panel/-/properties-panel-0.18.0.tgz",
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+    "node_modules/@codemirror/autocomplete": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/@codemirror/autocomplete/-/autocomplete-6.1.0.tgz",
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+        "@codemirror/state": "^6.0.0",
+        "@codemirror/view": "^6.0.0",
+        "@lezer/common": "^1.0.0"
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+        "@lezer/common": "^1.0.0"
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+    "node_modules/@codemirror/commands": {
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+      "resolved": "https://registry.npmjs.org/@codemirror/commands/-/commands-6.0.1.tgz",
+      "integrity": "sha512-iNHDByicYqQjs0Wo1MKGfqNbMYMyhS9WV6EwMVwsHXImlFemgEUC+c5X22bXKBStN3qnwg4fArNZM+gkv22baQ==",
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+        "@codemirror/language": "^6.0.0",
+        "@codemirror/state": "^6.0.0",
+        "@codemirror/view": "^6.0.0",
+        "@lezer/common": "^1.0.0"
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+    "node_modules/@codemirror/language": {
+      "version": "6.2.1",
+      "resolved": "https://registry.npmjs.org/@codemirror/language/-/language-6.2.1.tgz",
+      "integrity": "sha512-MC3svxuvIj0MRpFlGHxLS6vPyIdbTr2KKPEW46kCoCXw2ktb4NTkpkPBI/lSP/FoNXLCBJ0mrnUi1OoZxtpW1Q==",
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+        "@codemirror/view": "^6.0.0",
+        "@lezer/common": "^1.0.0",
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+        "@lezer/lr": "^1.0.0",
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+    "node_modules/@codemirror/lint": {
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+      "resolved": "https://registry.npmjs.org/@codemirror/lint/-/lint-6.0.0.tgz",
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+        "@codemirror/view": "^6.0.0",
+        "crelt": "^1.0.5"
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+    "node_modules/@codemirror/state": {
+      "version": "6.1.1",
+      "resolved": "https://registry.npmjs.org/@codemirror/state/-/state-6.1.1.tgz",
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+    },
+    "node_modules/@codemirror/view": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/@codemirror/view/-/view-6.2.0.tgz",
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+    "node_modules/@lezer/common": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@lezer/common/-/common-1.0.0.tgz",
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+    },
+    "node_modules/@lezer/highlight": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@lezer/highlight/-/highlight-1.0.0.tgz",
+      "integrity": "sha512-nsCnNtim90UKsB5YxoX65v3GEIw3iCHw9RM2DtdgkiqAbKh9pCdvi8AWNwkYf10Lu6fxNhXPpkpHbW6mihhvJA==",
+      "dependencies": {
+        "@lezer/common": "^1.0.0"
+      }
+    },
+    "node_modules/@lezer/lr": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@lezer/lr/-/lr-1.2.3.tgz",
+      "integrity": "sha512-qpB7rBzH8f6Mzjv2AVZRahcm+2Cf7nbIH++uXbvVOL1yIRvVWQ3HAM/saeBLCyz/togB7LGo76qdJYL1uKQlqA==",
+      "dependencies": {
+        "@lezer/common": "^1.0.0"
+      }
+    },
     "node_modules/@monaco-editor/loader": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/@monaco-editor/loader/-/loader-1.3.2.tgz",
@@ -3672,14 +3721,6 @@
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-      "resolved": "https://registry.npmjs.org/@philippfromme/moddle-helpers/-/moddle-helpers-0.4.1.tgz",
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@@ -7110,13 +7151,12 @@
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+      "resolved": "https://registry.npmjs.org/bpmn-js-properties-panel/-/bpmn-js-properties-panel-1.4.0.tgz",
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-        "@bpmn-io/extract-process-variables": "^0.4.5",
-        "@philippfromme/moddle-helpers": "^0.4.1",
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@@ -7126,7 +7166,7 @@
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-        "@bpmn-io/properties-panel": "0.13.x || 0.14.x",
+        "@bpmn-io/properties-panel": "0.18.x",
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@@ -7134,11 +7174,12 @@
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+        "@bpmn-io/properties-panel": "^0.18.0",
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-        "bpmn-js-properties-panel": "^1.1.1",
+        "bpmn-js-properties-panel": "^1.2.0",
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@@ -7490,9 +7531,9 @@
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+      "resolved": "https://registry.npmjs.org/camunda-bpmn-js-behaviors/-/camunda-bpmn-js-behaviors-0.1.1.tgz",
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+    "node_modules/crelt": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/crelt/-/crelt-1.0.5.tgz",
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@@ -16809,6 +16855,27 @@
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+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/lezer-feel/-/lezer-feel-0.4.0.tgz",
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+      }
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+    "node_modules/lezer-feel/node_modules/@lezer/common": {
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+      "resolved": "https://registry.npmjs.org/@lezer/common/-/common-0.16.1.tgz",
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+    "node_modules/lezer-feel/node_modules/@lezer/lr": {
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+      "resolved": "https://registry.npmjs.org/@lezer/lr/-/lr-0.16.3.tgz",
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@@ -21415,7 +21482,7 @@
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@@ -22592,6 +22659,11 @@
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@@ -32675,6 +32839,11 @@
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@@ -38492,6 +38661,29 @@
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@@ -44511,6 +44708,11 @@
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diff --git a/package.json b/package.json
index 003d6ed..6205513 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
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@@ -22,7 +23,7 @@
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-    "bpmn-js-spiffworkflow": "^0.0.8",
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     "date-fns": "^2.28.0",
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