diff --git a/.github/workflows/ensure-code-quality.yml b/.github/workflows/ensure-code-quality.yml
index a4378254ef..394762da56 100644
--- a/.github/workflows/ensure-code-quality.yml
+++ b/.github/workflows/ensure-code-quality.yml
@@ -22,7 +22,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
 
diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index 9ceab31afd..69cee18c9b 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -26,7 +26,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
 
diff --git a/.github/workflows/publish-libecalc.yml b/.github/workflows/publish-libecalc.yml
index 58d338339d..cc9bb8aa50 100644
--- a/.github/workflows/publish-libecalc.yml
+++ b/.github/workflows/publish-libecalc.yml
@@ -69,7 +69,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           # NOTE: Disabled caching in the publishing workflow to avoid a cache-poisoning risk.
           enable-cache: false
diff --git a/.github/workflows/test-docs.yml b/.github/workflows/test-docs.yml
index e58d5f514e..008b3f18c7 100644
--- a/.github/workflows/test-docs.yml
+++ b/.github/workflows/test-docs.yml
@@ -19,7 +19,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
 
diff --git a/.github/workflows/test-library.yml b/.github/workflows/test-library.yml
index f1f059c8c6..39b9b0cec3 100644
--- a/.github/workflows/test-library.yml
+++ b/.github/workflows/test-library.yml
@@ -22,7 +22,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
           python-version: ${{ matrix.python-version }}
@@ -56,7 +56,7 @@ jobs:
           persist-credentials: false
 
       - name: Install uv
-        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+        uses: astral-sh/setup-uv@c771a70e6277c0a99b617c7a806ffedaca235ff9 # v9.0.0
         with:
           enable-cache: true
           python-version: 3.14