diff --git a/package-lock.json b/package-lock.json
index 0e22c89a0..4499a89f8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11007,8 +11007,9 @@
       }
     },
     "node_modules/feelers": {
-      "version": "0.1.0-alpha.8",
-      "license": "MIT",
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/feelers/-/feelers-0.1.0.tgz",
+      "integrity": "sha512-gvF3VkrCIQIiYehB51JYjvADkT36eMQKfVPWyDYrbG1bfc9+Y7bvjdzhLgxEuk2BvFaYj1amRyqgOTXkP+gYUw==",
       "dependencies": {
         "@bpmn-io/cm-theme": "^0.1.0-alpha.2",
         "@bpmn-io/feel-lint": "^0.1.1",
@@ -11019,32 +11020,19 @@
         "@codemirror/state": "^6.1.4",
         "@codemirror/view": "^6.5.1",
         "@lezer/markdown": "^1.0.2",
-        "feelin": "^0.43.0",
+        "feelin": "^1.0.0",
         "lezer-feel": "^0.16.2",
         "min-dom": "^4.1.0"
-      },
-      "workspaces": {
-        "packages": [
-          "feelers-playground"
-        ]
       }
     },
     "node_modules/feelers/node_modules/component-event": {
       "version": "0.2.1",
       "license": "MIT"
     },
-    "node_modules/feelers/node_modules/feelin": {
-      "version": "0.43.1",
-      "license": "MIT",
-      "dependencies": {
-        "@lezer/lr": "^1.2.0",
-        "lezer-feel": "^0.16.1",
-        "luxon": "^3.1.0"
-      }
-    },
     "node_modules/feelers/node_modules/lezer-feel": {
       "version": "0.16.2",
-      "license": "MIT",
+      "resolved": "https://registry.npmjs.org/lezer-feel/-/lezer-feel-0.16.2.tgz",
+      "integrity": "sha512-G9heYUw4ibeNWFmlhs8yR/QEDd6OAFvv2e7F2x1zOhxqYKKEBXhXQEIvQh1psgQMJjQSuUvVZRxPbnjfvGq/Bw==",
       "dependencies": {
         "@lezer/highlight": "^1.1.2",
         "@lezer/lr": "^1.2.5"
@@ -11064,20 +11052,22 @@
       }
     },
     "node_modules/feelin": {
-      "version": "0.41.0",
-      "license": "MIT",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/feelin/-/feelin-1.0.0.tgz",
+      "integrity": "sha512-ED1pbRGivpxPHjMBssCivkuAWGm3ma0yK46DqcUlA8KP1Rz5Limjg8YENBRsyc1ZSoSkpboVuscqWmXw2Cl03A==",
       "dependencies": {
-        "@lezer/lr": "^1.2.0",
-        "lezer-feel": "^0.13.0",
-        "luxon": "^3.0.1"
+        "@lezer/lr": "^1.3.9",
+        "lezer-feel": "^1.0.0",
+        "luxon": "^3.1.0"
       }
     },
     "node_modules/feelin/node_modules/lezer-feel": {
-      "version": "0.13.1",
-      "license": "MIT",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/lezer-feel/-/lezer-feel-1.0.2.tgz",
+      "integrity": "sha512-WEqRVhYZNOr6+aTWfS2CLVX1ebS1KeQjTeVQVgzXkGNC0AqmFWcRwEgAGm3FHKE66cxj3RPKx7T+ofr6FzmJjQ==",
       "dependencies": {
-        "@lezer/highlight": "^1.0.0",
-        "@lezer/lr": "^1.2.3"
+        "@lezer/highlight": "^1.1.6",
+        "@lezer/lr": "^1.3.9"
       }
     },
     "node_modules/figures": {
@@ -19893,8 +19883,8 @@
         "big.js": "^6.2.1",
         "classnames": "^2.3.1",
         "didi": "^9.0.0",
-        "feelers": "^0.1.0-alpha.8",
-        "feelin": "^0.41.0",
+        "feelers": "^0.1.0",
+        "feelin": "^1.0.0",
         "flatpickr": "^4.6.13",
         "ids": "^1.0.0",
         "min-dash": "^4.0.0",
@@ -21397,8 +21387,8 @@
         "big.js": "^6.2.1",
         "classnames": "^2.3.1",
         "didi": "^9.0.0",
-        "feelers": "^0.1.0-alpha.8",
-        "feelin": "^0.41.0",
+        "feelers": "^0.1.0",
+        "feelin": "^1.0.0",
         "flatpickr": "^4.6.13",
         "ids": "^1.0.0",
         "min-dash": "^4.0.0",
@@ -27495,7 +27485,9 @@
       }
     },
     "feelers": {
-      "version": "0.1.0-alpha.8",
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/feelers/-/feelers-0.1.0.tgz",
+      "integrity": "sha512-gvF3VkrCIQIiYehB51JYjvADkT36eMQKfVPWyDYrbG1bfc9+Y7bvjdzhLgxEuk2BvFaYj1amRyqgOTXkP+gYUw==",
       "requires": {
         "@bpmn-io/cm-theme": "^0.1.0-alpha.2",
         "@bpmn-io/feel-lint": "^0.1.1",
@@ -27506,7 +27498,7 @@
         "@codemirror/state": "^6.1.4",
         "@codemirror/view": "^6.5.1",
         "@lezer/markdown": "^1.0.2",
-        "feelin": "^0.43.0",
+        "feelin": "^1.0.0",
         "lezer-feel": "^0.16.2",
         "min-dom": "^4.1.0"
       },
@@ -27514,16 +27506,10 @@
         "component-event": {
           "version": "0.2.1"
         },
-        "feelin": {
-          "version": "0.43.1",
-          "requires": {
-            "@lezer/lr": "^1.2.0",
-            "lezer-feel": "^0.16.1",
-            "luxon": "^3.1.0"
-          }
-        },
         "lezer-feel": {
           "version": "0.16.2",
+          "resolved": "https://registry.npmjs.org/lezer-feel/-/lezer-feel-0.16.2.tgz",
+          "integrity": "sha512-G9heYUw4ibeNWFmlhs8yR/QEDd6OAFvv2e7F2x1zOhxqYKKEBXhXQEIvQh1psgQMJjQSuUvVZRxPbnjfvGq/Bw==",
           "requires": {
             "@lezer/highlight": "^1.1.2",
             "@lezer/lr": "^1.2.5"
@@ -27543,18 +27529,22 @@
       }
     },
     "feelin": {
-      "version": "0.41.0",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/feelin/-/feelin-1.0.0.tgz",
+      "integrity": "sha512-ED1pbRGivpxPHjMBssCivkuAWGm3ma0yK46DqcUlA8KP1Rz5Limjg8YENBRsyc1ZSoSkpboVuscqWmXw2Cl03A==",
       "requires": {
-        "@lezer/lr": "^1.2.0",
-        "lezer-feel": "^0.13.0",
-        "luxon": "^3.0.1"
+        "@lezer/lr": "^1.3.9",
+        "lezer-feel": "^1.0.0",
+        "luxon": "^3.1.0"
       },
       "dependencies": {
         "lezer-feel": {
-          "version": "0.13.1",
+          "version": "1.0.2",
+          "resolved": "https://registry.npmjs.org/lezer-feel/-/lezer-feel-1.0.2.tgz",
+          "integrity": "sha512-WEqRVhYZNOr6+aTWfS2CLVX1ebS1KeQjTeVQVgzXkGNC0AqmFWcRwEgAGm3FHKE66cxj3RPKx7T+ofr6FzmJjQ==",
           "requires": {
-            "@lezer/highlight": "^1.0.0",
-            "@lezer/lr": "^1.2.3"
+            "@lezer/highlight": "^1.1.6",
+            "@lezer/lr": "^1.3.9"
           }
         }
       }
diff --git a/packages/form-js-viewer/package.json b/packages/form-js-viewer/package.json
index cd8d536d5..55db10d0a 100644
--- a/packages/form-js-viewer/package.json
+++ b/packages/form-js-viewer/package.json
@@ -47,8 +47,8 @@
     "big.js": "^6.2.1",
     "classnames": "^2.3.1",
     "didi": "^9.0.0",
-    "feelers": "^0.1.0-alpha.8",
-    "feelin": "^0.41.0",
+    "feelers": "^0.1.0",
+    "feelin": "^1.0.0",
     "flatpickr": "^4.6.13",
     "ids": "^1.0.0",
     "min-dash": "^4.0.0",
diff --git a/packages/form-js-viewer/src/features/expression-language/variableExtractionHelpers.js b/packages/form-js-viewer/src/features/expression-language/variableExtractionHelpers.js
index 1c6aa8850..b1caefc1b 100644
--- a/packages/form-js-viewer/src/features/expression-language/variableExtractionHelpers.js
+++ b/packages/form-js-viewer/src/features/expression-language/variableExtractionHelpers.js
@@ -1,4 +1,4 @@
-import { parseExpressions, parseUnaryTests } from 'feelin';
+import { parseExpression, parseUnaryTests } from 'feelin';
 
 export const getFlavouredFeelVariableNames = (feelString, feelFlavour, options = {}) => {
 
@@ -9,7 +9,7 @@ export const getFlavouredFeelVariableNames = (feelString, feelFlavour, options =
 
   if (![ 'expression', 'unaryTest' ].includes(feelFlavour)) return [];
 
-  const tree = feelFlavour === 'expression' ? parseExpressions(feelString) : parseUnaryTests(feelString);
+  const tree = feelFlavour === 'expression' ? parseExpression(feelString) : parseUnaryTests(feelString);
 
   const simpleExpressionTree = _buildSimpleFeelStructureTree(tree, feelString);