diff --git a/.github/workflows/integration-tests-on-release.yaml b/.github/workflows/integration-tests-on-release.yaml
index aecc82bef..af3948ea6 100644
--- a/.github/workflows/integration-tests-on-release.yaml
+++ b/.github/workflows/integration-tests-on-release.yaml
@@ -25,6 +25,13 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: true
+
       - name: setup cluster resources
         uses: ./.github/workflows/integration-test-config-latest-k8s
         with:
@@ -66,6 +73,13 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: true
+
       - name: setup latest cluster resources
         uses: ./.github/workflows/integration-test-config-latest-k8s
         with:
@@ -106,6 +120,13 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: true
+
       - name: setup latest cluster resources
         uses: ./.github/workflows/integration-test-config-latest-k8s
         with:
@@ -145,6 +166,13 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: true
+
       - name: setup latest cluster resources
         uses: ./.github/workflows/integration-test-config-latest-k8s
         with:
@@ -184,6 +212,13 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: true
+
       - name: setup cluster resources
         uses: ./.github/workflows/integration-test-config-latest-k8s
         with:
@@ -226,6 +261,13 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: true
+
       - name: setup latest cluster resources
         uses: ./.github/workflows/integration-test-config-latest-k8s
         with: