diff --git a/e2e/specs/parameters.spec b/e2e/specs/parameters.spec
new file mode 100644
index 0000000..53dc922
--- /dev/null
+++ b/e2e/specs/parameters.spec
@@ -0,0 +1,5 @@
+# Paramters
+
+## Check parameter conversion
+
+* Trimmed " " is the same as ""
diff --git a/e2e/tests/parameter.ts b/e2e/tests/parameter.ts
new file mode 100644
index 0000000..1bdb48f
--- /dev/null
+++ b/e2e/tests/parameter.ts
@@ -0,0 +1,9 @@
+import * as assert from "node:assert";
+import { Step } from "gauge-ts";
+
+export default class Parameter {
+  @Step("Trimmed <original> is the same as <expected>")
+  public async checkTrimmeWord(original: string, expected: string) {
+    assert.strictEqual(original.trim(), expected);
+  }
+}
diff --git a/gauge-ts/src/processors/params/PrimitiveParser.ts b/gauge-ts/src/processors/params/PrimitiveParser.ts
index 958a176..d6de84c 100644
--- a/gauge-ts/src/processors/params/PrimitiveParser.ts
+++ b/gauge-ts/src/processors/params/PrimitiveParser.ts
@@ -27,6 +27,7 @@ export class PrimitiveParser implements ParameterParser {
   }
 
   private convertToNumber(value: string): number | undefined {
+    if (value.trim() === "") return undefined;
     const num = Number(value);
     return Number.isNaN(num) ? undefined : num;
   }
diff --git a/package-lock.json b/package-lock.json
index 5e3bbef..485f36f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,8 +22,8 @@
         "typescript": "^5.4.5"
       },
       "devDependencies": {
-        "@getgauge/cli": "*",
-        "@types/node": "*",
+        "@getgauge/cli": "latest",
+        "@types/node": "latest",
         "taiko": "^1.4.0",
         "tsconfig-paths": "^4.2.0"
       }