diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 96e91e7..c641a8a 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -10,7 +10,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 
 permissions:
diff --git a/javascript/site-react/.github/workflows/build.yaml.jinja b/javascript/site-react/.github/workflows/build.yaml.jinja
index ee676f2..5304e8d 100644
--- a/javascript/site-react/.github/workflows/build.yaml.jinja
+++ b/javascript/site-react/.github/workflows/build.yaml.jinja
@@ -7,6 +7,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/javascript/site-sveltekit/.github/workflows/build.yaml.jinja b/javascript/site-sveltekit/.github/workflows/build.yaml.jinja
index e516956..0a66c71 100644
--- a/javascript/site-sveltekit/.github/workflows/build.yaml.jinja
+++ b/javascript/site-sveltekit/.github/workflows/build.yaml.jinja
@@ -7,6 +7,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/javascript/site-webawesome/.github/workflows/build.yaml.jinja b/javascript/site-webawesome/.github/workflows/build.yaml.jinja
index e516956..0a66c71 100644
--- a/javascript/site-webawesome/.github/workflows/build.yaml.jinja
+++ b/javascript/site-webawesome/.github/workflows/build.yaml.jinja
@@ -7,6 +7,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/javascript/uitk-svelte/.github/workflows/build.yaml.jinja b/javascript/uitk-svelte/.github/workflows/build.yaml.jinja
index ee676f2..5304e8d 100644
--- a/javascript/uitk-svelte/.github/workflows/build.yaml.jinja
+++ b/javascript/uitk-svelte/.github/workflows/build.yaml.jinja
@@ -7,6 +7,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/javascript/uitk-webawesome/.github/workflows/build.yaml.jinja b/javascript/uitk-webawesome/.github/workflows/build.yaml.jinja
index ee676f2..5304e8d 100644
--- a/javascript/uitk-webawesome/.github/workflows/build.yaml.jinja
+++ b/javascript/uitk-webawesome/.github/workflows/build.yaml.jinja
@@ -7,6 +7,10 @@ on:
   pull_request:
   workflow_dispatch:
 
+concurrency:
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
+  cancel-in-progress: true
+
 permissions:
   contents: read
 
diff --git a/python/cpp/.github/workflows/build.yaml.jinja b/python/cpp/.github/workflows/build.yaml.jinja
index a91b2f9..805125d 100644
--- a/python/cpp/.github/workflows/build.yaml.jinja
+++ b/python/cpp/.github/workflows/build.yaml.jinja
@@ -15,7 +15,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: {% raw %}${{ github.workflow }}-${{ github.head_ref || github.run_id }}{% endraw %}
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
   cancel-in-progress: true
 
 permissions:
diff --git a/python/cppjswasm/.github/workflows/build.yaml.jinja b/python/cppjswasm/.github/workflows/build.yaml.jinja
index f293316..44594b3 100644
--- a/python/cppjswasm/.github/workflows/build.yaml.jinja
+++ b/python/cppjswasm/.github/workflows/build.yaml.jinja
@@ -15,7 +15,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: {% raw %}${{ github.workflow }}-${{ github.head_ref || github.run_id }}{% endraw %}
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
   cancel-in-progress: true
 
 permissions:
diff --git a/python/cython/.github/workflows/build.yaml.jinja b/python/cython/.github/workflows/build.yaml.jinja
index d2e809b..44d2bd0 100644
--- a/python/cython/.github/workflows/build.yaml.jinja
+++ b/python/cython/.github/workflows/build.yaml.jinja
@@ -15,7 +15,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: {% raw %}${{ github.workflow }}-${{ github.head_ref || github.run_id }}{% endraw %}
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
   cancel-in-progress: true
 
 permissions:
diff --git a/python/js/.github/workflows/build.yaml.jinja b/python/js/.github/workflows/build.yaml.jinja
index 5223a0a..fa72235 100644
--- a/python/js/.github/workflows/build.yaml.jinja
+++ b/python/js/.github/workflows/build.yaml.jinja
@@ -15,7 +15,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: {% raw %}${{ github.workflow }}-${{ github.head_ref || github.run_id }}{% endraw %}
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
   cancel-in-progress: true
 
 permissions:
diff --git a/python/jupyter/.github/workflows/build.yaml.jinja b/python/jupyter/.github/workflows/build.yaml.jinja
index 4baf2ae..4979041 100644
--- a/python/jupyter/.github/workflows/build.yaml.jinja
+++ b/python/jupyter/.github/workflows/build.yaml.jinja
@@ -15,7 +15,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: {% raw %}${{ github.workflow }}-${{ github.head_ref || github.run_id }}{% endraw %}
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
   cancel-in-progress: true
 
 permissions:
diff --git a/python/pure/.github/workflows/build.yaml.jinja b/python/pure/.github/workflows/build.yaml.jinja
index 1100bf4..31a2014 100644
--- a/python/pure/.github/workflows/build.yaml.jinja
+++ b/python/pure/.github/workflows/build.yaml.jinja
@@ -15,7 +15,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: {% raw %}${{ github.workflow }}-${{ github.head_ref || github.run_id }}{% endraw %}
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
   cancel-in-progress: true
 
 permissions:
diff --git a/python/rust/.github/workflows/build.yaml.jinja b/python/rust/.github/workflows/build.yaml.jinja
index b9afebe..14e3a0e 100644
--- a/python/rust/.github/workflows/build.yaml.jinja
+++ b/python/rust/.github/workflows/build.yaml.jinja
@@ -15,7 +15,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: {% raw %}${{ github.workflow }}-${{ github.head_ref || github.run_id }}{% endraw %}
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
   cancel-in-progress: true
 
 permissions:
diff --git a/python/rustjswasm/.github/workflows/build.yaml.jinja b/python/rustjswasm/.github/workflows/build.yaml.jinja
index 7548e86..0f16dd4 100644
--- a/python/rustjswasm/.github/workflows/build.yaml.jinja
+++ b/python/rustjswasm/.github/workflows/build.yaml.jinja
@@ -15,7 +15,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: {% raw %}${{ github.workflow }}-${{ github.head_ref || github.run_id }}{% endraw %}
+  group: {% raw %}${{ github.workflow }}-${{ github.ref }}{% endraw %}
   cancel-in-progress: true
 
 permissions: