diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index 3f26f1a..9d9746e 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -31,13 +31,13 @@ jobs:
             os: macos-15-intel
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: prefix-dev/setup-pixi@d3f436a425481402e6a95a1d1fc10331c708cd9e # v0.10.2
+      - uses: prefix-dev/setup-pixi@a2789fe3805b9ae22d6c25a15df2f2c624cd092e # v0.11.1
         with:
           cache: true
       - name: Build installer
         run: pixi run build-installer
       - name: Upload installer
-        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
         with:
           name: installer-${{ matrix.target_arch }}
           path: DIRACOS-*.sh
@@ -52,7 +52,7 @@ jobs:
         target_arch: ["linux-64"]
     steps:
       - name: Download installer
-        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
         with:
           name: installer-${{ matrix.target_arch }}
       - name: Generate environment.yaml
@@ -61,7 +61,7 @@ jobs:
           source diracos/diracosrc
           conda env export --file environment.yaml --prefix $DIRACOS
       - name: Upload environment.yaml
-        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
         with:
           name: environment-yaml-${{ matrix.target_arch }}
           path: |
@@ -74,12 +74,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: prefix-dev/setup-pixi@d3f436a425481402e6a95a1d1fc10331c708cd9e # v0.10.2
+      - uses: prefix-dev/setup-pixi@a2789fe3805b9ae22d6c25a15df2f2c624cd092e # v0.11.1
         with:
           cache: true
           environments: release
       - name: Download artifacts
-        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
         with:
           path: artifacts
       - name: Create release notes
@@ -90,7 +90,7 @@ jobs:
             > release-notes.md
           cat release-notes.md
       - name: Upload release-notes.md
-        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2
         with:
           name: release-notes
           path: |
@@ -123,7 +123,7 @@ jobs:
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Download installer
-        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
         with:
           name: ${{ matrix.installer }}
       - name: Run tests
@@ -141,7 +141,7 @@ jobs:
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Download installer
-        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
         with:
           name: installer-osx-64
       - name: Run tests
@@ -163,7 +163,7 @@ jobs:
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - name: Download installer
-        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
         with:
           name: installer-osx-arm64
       - name: Run tests
@@ -189,9 +189,9 @@ jobs:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
         with:
-          python-version: '3.14'
+          python-version: '3.15'
       - name: Download installer
-        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
+        uses: actions/download-artifact@9000827ccba6bdab643e8b6fd33ac0654aef8333 # v8.0.2
         with:
           name: installer-linux-64
       - name: Prepare environment
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 15e7204..cae30ee 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: prefix-dev/setup-pixi@d3f436a425481402e6a95a1d1fc10331c708cd9e # v0.10.2
+      - uses: prefix-dev/setup-pixi@a2789fe3805b9ae22d6c25a15df2f2c624cd092e # v0.11.1
         with:
           cache: true
           environments: release