diff --git a/.github/workflows/check_docs.yaml b/.github/workflows/check_docs.yaml
index 45d8a3f54..530e101b2 100644
--- a/.github/workflows/check_docs.yaml
+++ b/.github/workflows/check_docs.yaml
@@ -22,7 +22,9 @@ jobs:
           cache-dependency-path: setup.py
 
       - name: Install dependencies
-        run: pip install -r requirements.txt
+        run: |
+          pip install -r requirements.txt
+          pip list
 
       - name: Build docs
         run: mkdocs build -d build --strict
diff --git a/.github/workflows/code_formatting.yml b/.github/workflows/code_formatting.yml
index 7bc73b353..7539052f7 100644
--- a/.github/workflows/code_formatting.yml
+++ b/.github/workflows/code_formatting.yml
@@ -23,9 +23,12 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
+          pip list
+
       - name: ruff check
         run: |
           ruff check .
+
       - name: ruff format
         run: |
           ruff format .
diff --git a/.github/workflows/deploy_docs.yaml b/.github/workflows/deploy_docs.yaml
index 976bbc648..98474ea7a 100644
--- a/.github/workflows/deploy_docs.yaml
+++ b/.github/workflows/deploy_docs.yaml
@@ -25,7 +25,9 @@ jobs:
           cache-dependency-path: setup.py
 
       - name: Install dependencies
-        run: pip install -r requirements.txt
+        run: |
+          pip install -r requirements.txt
+          pip list
 
       - name: Deploy docs
         run: mkdocs gh-deploy --force
diff --git a/.github/workflows/repo_scraper.yml b/.github/workflows/repo_scraper.yml
index 49992fb63..34b896735 100644
--- a/.github/workflows/repo_scraper.yml
+++ b/.github/workflows/repo_scraper.yml
@@ -22,6 +22,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r tools/repo_scraper/requirements.txt
+          pip list
 
       - name: Run repo scraper
         env:
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index ab91e6ef5..01e3d9d6b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,7 +16,7 @@ repos:
       - id: detect-private-key
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.4.7
+    rev: v0.5.5
     hooks:
       # try to fix what is possible
       - id: ruff
diff --git a/requirements.txt b/requirements.txt
index 9e577470f..d07c59291 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ mkdocs-git-revision-date-localized-plugin>=1.2.6
 mkdocs-exclude>=1.0.2
 
 # Developer stuff
-ruff>=0.4.7
+ruff>=0.5.5
 codespell>=2.2.6
 pre-commit>=3.7.0
 
diff --git a/s10_extra/exercise_files/fashion_trainer.py b/s10_extra/exercise_files/fashion_trainer.py
index cbb5e08e6..01eaabdce 100644
--- a/s10_extra/exercise_files/fashion_trainer.py
+++ b/s10_extra/exercise_files/fashion_trainer.py
@@ -23,7 +23,7 @@ def output_label(label):
         8: "Bag",
         9: "Ankle Boot",
     }
-    label = label.item() if type(label) == torch.Tensor else label
+    label = label.item() if isinstance(label, torch.Tensor) else label
     return output_mapping[label]
 
 
diff --git a/s6_the_cloud/using_the_cloud.md b/s6_the_cloud/using_the_cloud.md
index 568f74ec2..a158b2557 100644
--- a/s6_the_cloud/using_the_cloud.md
+++ b/s6_the_cloud/using_the_cloud.md
@@ -667,7 +667,7 @@ the images we are used to that use Pytorch.
             'build',
             '.',
             '-t',
-            'europe-west1-docker.pkg.dev/$PROJECT_ID/<registry-name>/_IMAGE_NAME',
+            'europe-west1-docker.pkg.dev/$PROJECT_ID/<registry-name>/$_IMAGE_NAME',
             '-f',
             '<path-to-dockerfile>'
           ]
@@ -675,7 +675,7 @@ the images we are used to that use Pytorch.
           id: 'Push container image'
           args: [
             'push',
-            'europe-west1-docker.pkg.dev/$PROJECT_ID/<registry-name>/_IMAGE_NAME'
+            'europe-west1-docker.pkg.dev/$PROJECT_ID/<registry-name>/$_IMAGE_NAME'
           ]
         substitutions:
           _IMAGE_NAME: 'my_image'
diff --git a/s9_scalable_applications/exercise_files/fashion_trainer.py b/s9_scalable_applications/exercise_files/fashion_trainer.py
index 8dea3bf31..1ab791d9e 100644
--- a/s9_scalable_applications/exercise_files/fashion_trainer.py
+++ b/s9_scalable_applications/exercise_files/fashion_trainer.py
@@ -23,7 +23,7 @@ def output_label(label):
         8: "Bag",
         9: "Ankle Boot",
     }
-    label = label.item() if type(label) == torch.Tensor else label
+    label = label.item() if isinstance(torch.Tensor) else label
     return output_mapping[label]