diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 182b6240f..ea5cf7edc 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -60,7 +60,7 @@ jobs:
       EMAIL_FROM: noreply@example.com
 
       # DEGREE VALIDATOR
-      NEXT_PUBLIC_VALIDATOR: http://localhost:5000
+      NEXT_PUBLIC_VALIDATOR: http://127.0.0.1:5000
 
       NODE_ENV: test
 
@@ -72,10 +72,10 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
-      - name: Setup Python3.10
+      - name: Setup Python3.11
         uses: actions/setup-python@v4
         with:
-          python-version: '3.10'
+          python-version: '3.11'
 
       - name: Start validator server
         working-directory: validator
diff --git a/.github/workflows/validator_test.yml b/.github/workflows/validator_test.yml
index a798837ef..8f78c2e20 100644
--- a/.github/workflows/validator_test.yml
+++ b/.github/workflows/validator_test.yml
@@ -19,7 +19,7 @@ jobs:
 
       - uses: actions/setup-python@v4
         with:
-          python-version: '3.10'
+          python-version: '3.11'
 
       - name: Install dependencies
         run: |
diff --git a/README.md b/README.md
index e177a6b18..0ccc9d997 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ To be able to start development on Planner make sure that you have the following
 
 - [Node.js v16 or above](https://nodejs.org/en)
 - [Git](https://git-scm.com/downloads)
-- [Python3.10](https://www.python.org/downloads)
+- [Python3.11](https://www.python.org/downloads)
 </details>
 
 <details>
@@ -144,7 +144,7 @@ npm install
 
     ```bash
     cd validator
-    python3.10 -m venv venv # Create virtual environment
+    python3.11 -m venv venv # Create virtual environment
     source venv/bin/activate # Use virtual enviornment
     pip install -r requirements.txt # Install dependencies
     flask --app api run
diff --git a/cypress/e2e/create-plan.cy.ts b/cypress/e2e/create-plan.cy.ts
index f92cbf2c0..41a48dcfc 100644
--- a/cypress/e2e/create-plan.cy.ts
+++ b/cypress/e2e/create-plan.cy.ts
@@ -49,5 +49,10 @@ describe('Plan creation flow', () => {
         .then(($el) => $el.text())
         .should('eq', major);
     });
+
+    cy.get('#tutorial-editor-1 svg.animate-spin').should('not.exist', { timeout: 10000 });
+    cy.get('#tutorial-editor-1')
+      .contains('It seems like a screw has gone loose!', { timeout: 0 })
+      .should('not.exist');
   });
 });
diff --git a/src/server/trpc/router/validator.ts b/src/server/trpc/router/validator.ts
index 19cb2446a..7d00e5ed1 100644
--- a/src/server/trpc/router/validator.ts
+++ b/src/server/trpc/router/validator.ts
@@ -391,7 +391,7 @@ export const validatorRouter = router({
       })
       .catch((err) => {
         const errorMessage = `Validator error: ${err.message}`;
-        console.error(errorMessage);
+        console.error('Validator error', err);
         throw new TRPCError({
           code: 'INTERNAL_SERVER_ERROR',
           cause: err,
diff --git a/validator/requirements.txt b/validator/requirements.txt
index 49ce278ee..3cdb804fe 100644
--- a/validator/requirements.txt
+++ b/validator/requirements.txt
@@ -24,12 +24,12 @@ mypy==1.0.0
 mypy-extensions==0.4.3
 numpy==1.23.4
 ordered-set==4.1.0
-ortools==9.4.1874
+ortools==9.7.2996
 packaging==22.0
 pathspec==0.10.3
 platformdirs==2.6.0
 pluggy==1.0.0
-protobuf==4.21.7
+protobuf==4.23.3
 pydantic==1.10.2
 Pygments==2.15.0
 pyparsing==3.0.9