diff --git a/.github/workflows/integration-compute-core.yml b/.github/workflows/integration-compute-core.yml
index abbb5a2b9..47eff517b 100644
--- a/.github/workflows/integration-compute-core.yml
+++ b/.github/workflows/integration-compute-core.yml
@@ -22,6 +22,14 @@ on:
       - 'lib/fog/google.rb'
       # Trigger workflow on version upgrade
       - 'lib/fog/google/version.rb'
+      # Trigger when workflow itself is updated
+      - '.github/workflows/integration-compute-core.yml'
+
+# Setting hard concurrency limit for the project due to cleanup
+# TODO(fog-google#626): remove this once cleanup is fixed
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: false
 
 jobs:
   test-compute:
@@ -30,6 +38,7 @@ jobs:
       matrix:
         ruby-version: [ '3.0', '3.1', '3.2' ]
       # Integration tests from the same task cannot run in parallel yet due to cleanup
+      # TODO(fog-google#626): remove this once cleanup is fixed
       max-parallel: 1
 
     steps:
diff --git a/.github/workflows/integration-compute-instance_groups.yml b/.github/workflows/integration-compute-instance_groups.yml
index 9761fa8b9..5afad6a0f 100644
--- a/.github/workflows/integration-compute-instance_groups.yml
+++ b/.github/workflows/integration-compute-instance_groups.yml
@@ -22,6 +22,15 @@ on:
       - 'lib/fog/google.rb'
       # Trigger workflow on version upgrade
       - 'lib/fog/google/version.rb'
+      # Trigger when workflow itself is updated
+      - '.github/workflows/integration-compute-instance_groups.yml'
+
+# Setting hard concurrency limit for the project due to cleanup
+# TODO(fog-google#626): remove this once cleanup is fixed
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: false
+
 
 jobs:
   test:
diff --git a/.github/workflows/integration-compute-loadbalancing.yml b/.github/workflows/integration-compute-loadbalancing.yml
index 420c25944..dc1db532d 100644
--- a/.github/workflows/integration-compute-loadbalancing.yml
+++ b/.github/workflows/integration-compute-loadbalancing.yml
@@ -22,6 +22,15 @@ on:
       - 'lib/fog/google.rb'
       # Trigger workflow on version upgrade
       - 'lib/fog/google/version.rb'
+      # Trigger when workflow itself is updated
+      - '.github/workflows/integration-compute-loadbalancing.yml'
+
+# Setting hard concurrency limit for the project due to cleanup
+# TODO(fog-google#626): remove this once cleanup is fixed
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: false
+
 
 jobs:
   test:
diff --git a/.github/workflows/integration-compute-networking.yml b/.github/workflows/integration-compute-networking.yml
index a60543c62..0ae8e8c6c 100644
--- a/.github/workflows/integration-compute-networking.yml
+++ b/.github/workflows/integration-compute-networking.yml
@@ -22,6 +22,14 @@ on:
       - 'lib/fog/google.rb'
       # Trigger workflow on version upgrade
       - 'lib/fog/google/version.rb'
+      # Trigger when workflow itself is updated
+      - '.github/workflows/integration-compute-networking.yml'
+
+# Setting hard concurrency limit for the project due to cleanup
+# TODO(fog-google#626): remove this once cleanup is fixed
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: false
 
 jobs:
   test:
diff --git a/.github/workflows/integration-monitoring.yml b/.github/workflows/integration-monitoring.yml
index 89fb51524..ec501205e 100644
--- a/.github/workflows/integration-monitoring.yml
+++ b/.github/workflows/integration-monitoring.yml
@@ -23,6 +23,14 @@ on:
       - 'lib/fog/google.rb'
       # Trigger workflow on version upgrade
       - 'lib/fog/google/version.rb'
+      # Trigger when workflow itself is updated
+      - '.github/workflows/integration-monitoring.yml'
+
+# Setting hard concurrency limit for the project due to cleanup
+# TODO(fog-google#626): remove this once cleanup is fixed
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: false
 
 jobs:
   test:
diff --git a/.github/workflows/integration-pubsub.yml b/.github/workflows/integration-pubsub.yml
index f92da0017..5a0b4de78 100644
--- a/.github/workflows/integration-pubsub.yml
+++ b/.github/workflows/integration-pubsub.yml
@@ -23,6 +23,14 @@ on:
       - 'lib/fog/google.rb'
       # Trigger workflow on version upgrade
       - 'lib/fog/google/version.rb'
+      # Trigger when workflow itself is updated
+      - '.github/workflows/integration-pubsub.yml'
+
+# Setting hard concurrency limit for the project due to cleanup
+# TODO(fog-google#626): remove this once cleanup is fixed
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: false
 
 jobs:
   test:
diff --git a/.github/workflows/integration-sql.yml b/.github/workflows/integration-sql.yml
index cd684623b..0ccb03baa 100644
--- a/.github/workflows/integration-sql.yml
+++ b/.github/workflows/integration-sql.yml
@@ -23,6 +23,14 @@ on:
       - 'lib/fog/google.rb'
       # Trigger workflow on version upgrade
       - 'lib/fog/google/version.rb'
+      # Trigger when workflow itself is updated
+      - '.github/workflows/integration-sql.yml'
+
+# Setting hard concurrency limit for the project due to cleanup
+# TODO(fog-google#626): remove this once cleanup is fixed
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: false
 
 jobs:
   test:
diff --git a/.github/workflows/integration-storage.yml b/.github/workflows/integration-storage.yml
index 2ebefa967..fdffec24b 100644
--- a/.github/workflows/integration-storage.yml
+++ b/.github/workflows/integration-storage.yml
@@ -24,6 +24,14 @@ on:
       - 'lib/fog/google.rb'
       # Trigger workflow on version upgrade
       - 'lib/fog/google/version.rb'
+      # Trigger when workflow itself is updated
+      - '.github/workflows/integration-storage.yml'
+
+# Setting hard concurrency limit for the project due to cleanup
+# TODO(fog-google#626): remove this once cleanup is fixed
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: false
 
 jobs:
   test:
diff --git a/.github/workflows/unit.yml b/.github/workflows/unit.yml
index d4f324bd8..eb66791e2 100644
--- a/.github/workflows/unit.yml
+++ b/.github/workflows/unit.yml
@@ -6,6 +6,11 @@ on:
   pull_request:
     branches: [ master ]
 
+# Cancel in-progress jobs of the same ref or run_id
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
   test-unit:
     runs-on: ubuntu-latest