diff --git a/.github/workflows/deploy-docs.yml b/.github/workflows/deploy-docs.yaml
similarity index 100%
rename from .github/workflows/deploy-docs.yml
rename to .github/workflows/deploy-docs.yaml
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yaml
similarity index 93%
rename from .github/workflows/docs.yml
rename to .github/workflows/docs.yaml
index 4be1510cf..26b6683d6 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yaml
@@ -9,7 +9,7 @@ on:
       - "datalayer_core/**"
       - "typedoc.json"
       - "pyproject.toml"
-      - ".github/workflows/docs.yml"
+      - ".github/workflows/docs.yaml"
   pull_request:
     branches: [main, develop]
     paths:
@@ -18,7 +18,7 @@ on:
       - "datalayer_core/**"
       - "typedoc.json"
       - "pyproject.toml"
-      - ".github/workflows/docs.yml"
+      - ".github/workflows/docs.yaml"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
diff --git a/.github/workflows/fix-license-header.yml b/.github/workflows/fix-license-header.yaml
similarity index 100%
rename from .github/workflows/fix-license-header.yml
rename to .github/workflows/fix-license-header.yaml
diff --git a/.github/workflows/mcp-generated-types.yml b/.github/workflows/mcp-generated-types.yaml
similarity index 93%
rename from .github/workflows/mcp-generated-types.yml
rename to .github/workflows/mcp-generated-types.yaml
index b360a595c..06ef70847 100644
--- a/.github/workflows/mcp-generated-types.yml
+++ b/.github/workflows/mcp-generated-types.yaml
@@ -12,13 +12,13 @@ on:
     paths:
       - 'src/api/mcp/**'
       - 'scripts/generate-mcp-types.py'
-      - '.github/workflows/mcp-generated-types.yml'
+      - '.github/workflows/mcp-generated-types.yaml'
   pull_request:
     branches: [ main, develop ]
     paths:
       - 'src/api/mcp/**'
       - 'scripts/generate-mcp-types.py'
-      - '.github/workflows/mcp-generated-types.yml'
+      - '.github/workflows/mcp-generated-types.yaml'
   workflow_dispatch:
 
 permissions:
diff --git a/.github/workflows/orchestration-generated-types.yml b/.github/workflows/orchestration-generated-types.yaml
similarity index 94%
rename from .github/workflows/orchestration-generated-types.yml
rename to .github/workflows/orchestration-generated-types.yaml
index 678f9d974..7e331416e 100644
--- a/.github/workflows/orchestration-generated-types.yml
+++ b/.github/workflows/orchestration-generated-types.yaml
@@ -14,14 +14,14 @@ on:
       - 'datalayer_core/orchestration/**'
       - 'src/api/orchestration/**'
       - 'scripts/generate-orchestration-types.py'
-      - '.github/workflows/orchestration-generated-types.yml'
+      - '.github/workflows/orchestration-generated-types.yaml'
   pull_request:
     branches: [ main, develop ]
     paths:
       - 'datalayer_core/orchestration/**'
       - 'src/api/orchestration/**'
       - 'scripts/generate-orchestration-types.py'
-      - '.github/workflows/orchestration-generated-types.yml'
+      - '.github/workflows/orchestration-generated-types.yaml'
   workflow_dispatch:
 
 permissions:
diff --git a/.github/workflows/py-code-style.yml b/.github/workflows/py-code-style.yaml
similarity index 92%
rename from .github/workflows/py-code-style.yml
rename to .github/workflows/py-code-style.yaml
index f9f728cd6..a9d928762 100644
--- a/.github/workflows/py-code-style.yml
+++ b/.github/workflows/py-code-style.yaml
@@ -13,7 +13,7 @@ on:
       - '.pre-commit-config.yaml'
       - 'ruff.toml'
       - '.ruff.toml'
-      - '.github/workflows/py-code-style.yml'
+      - '.github/workflows/py-code-style.yaml'
   pull_request:
     branches:
       - main
@@ -26,7 +26,7 @@ on:
       - '.pre-commit-config.yaml'
       - 'ruff.toml'
       - '.ruff.toml'
-      - '.github/workflows/py-code-style.yml'
+      - '.github/workflows/py-code-style.yaml'
   workflow_dispatch:
 
 concurrency:
diff --git a/.github/workflows/py-tests.yml b/.github/workflows/py-tests.yaml
similarity index 100%
rename from .github/workflows/py-tests.yml
rename to .github/workflows/py-tests.yaml
diff --git a/.github/workflows/py-typing.yml b/.github/workflows/py-typing.yaml
similarity index 93%
rename from .github/workflows/py-typing.yml
rename to .github/workflows/py-typing.yaml
index 336888adc..848b1d0b3 100644
--- a/.github/workflows/py-typing.yml
+++ b/.github/workflows/py-typing.yaml
@@ -12,7 +12,7 @@ on:
       - 'setup.py'
       - 'mypy.ini'
       - '.mypy.ini'
-      - '.github/workflows/py-typing.yml'
+      - '.github/workflows/py-typing.yaml'
   pull_request:
     branches:
       - main
@@ -24,7 +24,7 @@ on:
       - 'setup.py'
       - 'mypy.ini'
       - '.mypy.ini'
-      - '.github/workflows/py-typing.yml'
+      - '.github/workflows/py-typing.yaml'
   workflow_dispatch:
 
 concurrency:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yaml
similarity index 100%
rename from .github/workflows/release.yml
rename to .github/workflows/release.yaml
diff --git a/.github/workflows/reusable-typescript.yml b/.github/workflows/reusable-typescript.yaml
similarity index 100%
rename from .github/workflows/reusable-typescript.yml
rename to .github/workflows/reusable-typescript.yaml
diff --git a/.github/workflows/ts-code-style.yml b/.github/workflows/ts-code-style.yaml
similarity index 90%
rename from .github/workflows/ts-code-style.yml
rename to .github/workflows/ts-code-style.yaml
index 52052d170..6eac6bbe1 100644
--- a/.github/workflows/ts-code-style.yml
+++ b/.github/workflows/ts-code-style.yaml
@@ -15,8 +15,8 @@ on:
       - '.eslintrc*'
       - '.prettierrc*'
       - 'package.json'
-      - '.github/workflows/ts-code-style.yml'
-      - '.github/workflows/reusable-typescript.yml'
+      - '.github/workflows/ts-code-style.yaml'
+      - '.github/workflows/reusable-typescript.yaml'
   pull_request:
     branches: [ main, develop ]
     paths:
@@ -31,12 +31,12 @@ on:
       - '.eslintrc*'
       - '.prettierrc*'
       - 'package.json'
-      - '.github/workflows/ts-code-style.yml'
-      - '.github/workflows/reusable-typescript.yml'
+      - '.github/workflows/ts-code-style.yaml'
+      - '.github/workflows/reusable-typescript.yaml'
 
 jobs:
   code-style:
-    uses: ./.github/workflows/reusable-typescript.yml
+    uses: ./.github/workflows/reusable-typescript.yaml
     with:
       node-version: '22'
       install-command: 'npm install'
diff --git a/.github/workflows/ts-tests.yml b/.github/workflows/ts-tests.yaml
similarity index 79%
rename from .github/workflows/ts-tests.yml
rename to .github/workflows/ts-tests.yaml
index 2c3af43f9..e141eb1c6 100644
--- a/.github/workflows/ts-tests.yml
+++ b/.github/workflows/ts-tests.yaml
@@ -10,8 +10,8 @@ on:
       - '*.js'
       - '*.ts'
       - '*.tsx'
-      - '.github/workflows/ts-tests.yml'
-      - '.github/workflows/reusable-typescript.yml'
+      - '.github/workflows/ts-tests.yaml'
+      - '.github/workflows/reusable-typescript.yaml'
   pull_request:
     branches: [ main, develop ]
     paths:
@@ -21,12 +21,12 @@ on:
       - '*.js'
       - '*.ts'
       - '*.tsx'
-      - '.github/workflows/ts-tests.yml'
-      - '.github/workflows/reusable-typescript.yml'
+      - '.github/workflows/ts-tests.yaml'
+      - '.github/workflows/reusable-typescript.yaml'
 
 jobs:
   test-22x:
-    uses: ./.github/workflows/reusable-typescript.yml
+    uses: ./.github/workflows/reusable-typescript.yaml
     with:
       node-version: '22'
       install-command: 'npm install --workspaces'
@@ -41,7 +41,7 @@ jobs:
 
   test-24x:
     needs: test-22x  # Run sequentially
-    uses: ./.github/workflows/reusable-typescript.yml
+    uses: ./.github/workflows/reusable-typescript.yaml
     with:
       node-version: '24.x'
       install-command: 'npm install --workspaces'
diff --git a/.github/workflows/ts-typing.yml b/.github/workflows/ts-typing.yaml
similarity index 89%
rename from .github/workflows/ts-typing.yml
rename to .github/workflows/ts-typing.yaml
index 750e4fb79..c79afd5a9 100644
--- a/.github/workflows/ts-typing.yml
+++ b/.github/workflows/ts-typing.yaml
@@ -8,8 +8,8 @@ on:
       - 'src/**/*.tsx'
       - 'tsconfig*.json'
       - 'package.json'
-      - '.github/workflows/ts-typing.yml'
-      - '.github/workflows/reusable-typescript.yml'
+      - '.github/workflows/ts-typing.yaml'
+      - '.github/workflows/reusable-typescript.yaml'
   pull_request:
     branches: [ main, develop ]
     paths:
@@ -17,12 +17,12 @@ on:
       - 'src/**/*.tsx'
       - 'tsconfig*.json'
       - 'package.json'
-      - '.github/workflows/ts-typing.yml'
-      - '.github/workflows/reusable-typescript.yml'
+      - '.github/workflows/ts-typing.yaml'
+      - '.github/workflows/reusable-typescript.yaml'
 
 jobs:
   type-check:
-    uses: ./.github/workflows/reusable-typescript.yml
+    uses: ./.github/workflows/reusable-typescript.yaml
     with:
       node-version: '22'
       install-command: 'npm install --workspaces'
diff --git a/README.md b/README.md
index 91289eba8..3fd5337dd 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@
   <a href="https://pypi.org/project/datalayer-core/"><img src="https://img.shields.io/pypi/pyversions/datalayer-core.svg" alt="Python versions"></img></a>
   <a href="https://github.com/datalayer/core/blob/main/LICENSE"><img src="https://img.shields.io/badge/License-BSD%203--Clause-blue.svg" alt="License"></img></a>
   <a href="https://datalayer.ai/docs/"><img src="https://img.shields.io/badge/docs-datalayer.app-blue" alt="Documentation"></img></a>
-  <a href="https://github.com/datalayer/core/actions/workflows/py-tests.yml"><img src="https://github.com/datalayer/core/actions/workflows/py-tests.yml/badge.svg" alt="Units Tests"></img></a><a href="https://github.com/datalayer/core/actions/workflows/ts-tests.yml"><img src="https://github.com/datalayer/core/actions/workflows/ts-tests.yml/badge.svg" alt="Units Tests"></img></a>
+  <a href="https://github.com/datalayer/core/actions/workflows/py-tests.yaml"><img src="https://github.com/datalayer/core/actions/workflows/py-tests.yaml/badge.svg" alt="Units Tests"></img></a><a href="https://github.com/datalayer/core/actions/workflows/ts-tests.yaml"><img src="https://github.com/datalayer/core/actions/workflows/ts-tests.yaml/badge.svg" alt="Units Tests"></img></a>
 </p>
 
 ## Overview
diff --git a/RELEASE.md b/RELEASE.md
index 03d072d3b..94a4ee4aa 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -3,7 +3,7 @@
 ## Automated release (tags)
 
 Pushing a tag `vX.Y.Z` publishes `datalayer_core` to PyPI and `@datalayer/core` to npm from
-[`.github/workflows/release.yml`](.github/workflows/release.yml). No token is stored anywhere:
+[`.github/workflows/release.yaml`](.github/workflows/release.yaml). No token is stored anywhere:
 both registries trust that workflow file (OIDC trusted publishing).
 
 ### Cutting a release
@@ -38,11 +38,11 @@ twice, so if something has to change after a publish, bump the version and push
 ### One-time setup
 
 - **PyPI**: on <https://pypi.org/manage/project/datalayer-core/settings/publishing/>, add a
-  trusted publisher: owner `datalayer`, repository `core`, workflow `release.yml`, environment
+  trusted publisher: owner `datalayer`, repository `core`, workflow `release.yaml`, environment
   `pypi`. The `pypi` environment already exists in the repository settings; restricting it to
   `v*` tags is recommended.
 - **npm**: on the `@datalayer/core` package settings on npmjs.com, add a trusted publisher:
-  GitHub Actions, organization `datalayer`, repository `core`, workflow `release.yml`,
+  GitHub Actions, organization `datalayer`, repository `core`, workflow `release.yaml`,
   environment `npm`. The `npm` environment already exists in the repository settings.
 
 ## Manual release