diff --git a/README.md b/README.md
index 53da232..2b23bae 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ jobs:
       pull-requests: read
     steps:
       - name: Create QA Wolf environment
-        uses: qawolf/preview-testing-action@v0.1.8-beta
+        uses: qawolf/preview-testing-action@v0.2.3
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
         with:
@@ -83,7 +83,7 @@ jobs:
       pull-requests: read
     steps:
       - name: Test preview environment
-        uses: qawolf/preview-testing-action@v0.1.8-beta
+        uses: qawolf/preview-testing-action@v0.2.3
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
         with:
@@ -113,7 +113,7 @@ jobs:
       pull-requests: read
     steps:
       - name: Delete PR testing environment
-        uses: qawolf/preview-testing-action@v0.1.8-beta
+        uses: qawolf/preview-testing-action@v0.2.3
         env:
           GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
         with:
diff --git a/dist/index.js b/dist/index.js
index 09e6b59..d8752df 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -58708,8 +58708,8 @@ async function createEnvironmentVariables({ environmentId, variables, qawolfApiK
     const environmentVariableRequests = Object.keys(variables).map(async (key) => {
         const value = variables[key];
         return axios_1.default.post(constants_1.qawolfGraphQLEndpoint, {
-            query: `mutation UpsertEnvironmentVariable($environmentId: ID!, $value: String!, $name: String) {
-            upsertEnvironmentVariable(environment_id: $environmentId, value: $value, name: $name) {
+            query: `mutation UpsertEnvironmentVariable($environmentId: ID!, $value: String!, $name: String!) {
+            upsertEnvironmentVariable(environmentId: $environmentId, value: $value, name: $name) {
               id
             }
           }`,
diff --git a/package.json b/package.json
index e280fd2..563c466 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@qawolf/preview-testing-action",
   "type": "commonjs",
-  "version": "0.0.1",
+  "version": "v0.2.3",
   "main": "dist/index.js",
   "engines": {
     "node": "^16 || ^18 || ^20"
diff --git a/src/createEnvironmentVariables.ts b/src/createEnvironmentVariables.ts
index d922087..e19b246 100644
--- a/src/createEnvironmentVariables.ts
+++ b/src/createEnvironmentVariables.ts
@@ -17,8 +17,8 @@ export async function createEnvironmentVariables({
       return axios.post(
         qawolfGraphQLEndpoint,
         {
-          query: `mutation UpsertEnvironmentVariable($environmentId: ID!, $value: String!, $name: String) {
-            upsertEnvironmentVariable(environment_id: $environmentId, value: $value, name: $name) {
+          query: `mutation UpsertEnvironmentVariable($environmentId: ID!, $value: String!, $name: String!) {
+            upsertEnvironmentVariable(environmentId: $environmentId, value: $value, name: $name) {
               id
             }
           }`,