diff --git a/.github/workflows/bootstrap.yml b/.github/workflows/bootstrap.yml
index 8f29357bd07..3ce2ba76481 100644
--- a/.github/workflows/bootstrap.yml
+++ b/.github/workflows/bootstrap.yml
@@ -47,7 +47,7 @@ jobs:
           key: bootstrap-${{ steps.get-osver.outputs.osver }}-${{ matrix.ghc }}-${{ hashFiles(format('bootstrap/linux-{0}.json', matrix.ghc)) }}-${{ github.sha }}
           restore-keys: bootstrap-${{ steps.get-osver.outputs.osver }}-${{ matrix.ghc }}-${{ hashFiles(format('bootstrap/linux-{0}.json', matrix.ghc)) }}-
 
-      - uses: haskell-actions/setup@v2
+      - uses: haskell-actions/setup@v2.11.0
         with:
           ghc-version: ${{ matrix.ghc }}
 
diff --git a/.github/workflows/check-sdist.yml b/.github/workflows/check-sdist.yml
index 0152f17f325..daca2221c2d 100644
--- a/.github/workflows/check-sdist.yml
+++ b/.github/workflows/check-sdist.yml
@@ -34,7 +34,7 @@ jobs:
 
     steps:
 
-      - uses: haskell-actions/setup@v2
+      - uses: haskell-actions/setup@v2.11.0
         id: setup-haskell
         with:
           ghc-version: ${{ matrix.ghc }}
diff --git a/.github/workflows/quick-jobs.yml b/.github/workflows/quick-jobs.yml
index 7ef67df2bb8..ff0e25e4b47 100644
--- a/.github/workflows/quick-jobs.yml
+++ b/.github/workflows/quick-jobs.yml
@@ -30,7 +30,7 @@ jobs:
         gen-spdx-exc
     steps:
       - name: Install primary compiler
-        uses: haskell-actions/setup@v2
+        uses: haskell-actions/setup@v2.11.0
         id: setup-haskell
         with:
           ghc-version: ${{ env.GHC_FOR_QUICK_JOBS }}
@@ -76,7 +76,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Install primary compiler
-        uses: haskell-actions/setup@v2
+        uses: haskell-actions/setup@v2.11.0
         id: setup-haskell
         with:
           ghc-version: ${{ env.GHC_FOR_QUICK_JOBS }}
@@ -124,7 +124,7 @@ jobs:
       cabal_build: cabal build buildinfo-reference-generator
     steps:
       - name: Install primary compiler
-        uses: haskell-actions/setup@v2
+        uses: haskell-actions/setup@v2.11.0
         id: setup-haskell
         with:
           ghc-version: ${{ env.GHC_FOR_QUICK_JOBS }}
@@ -164,7 +164,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Install primary compiler
-        uses: haskell-actions/setup@v2
+        uses: haskell-actions/setup@v2.11.0
         id: setup-haskell
         with:
           ghc-version: ${{ env.GHC_FOR_QUICK_JOBS }}
diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index ab168010648..3a11bd1c96e 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -95,7 +95,7 @@ jobs:
         run: |
           echo "constraints: ${{ github.event.inputs.constraints }}" >> cabal.validate.project
 
-      - uses: haskell-actions/setup@v2
+      - uses: haskell-actions/setup@v2.11.0
         id: setup-haskell
         with:
           ghc-version: ${{ matrix.ghc }}
@@ -263,7 +263,7 @@ jobs:
         run: cat /usr/local/.ghcup/logs/*
 
       - name: Install primary compiler
-        uses: haskell-actions/setup@v2
+        uses: haskell-actions/setup@v2.11.0
         id: setup-haskell
         with:
           ghc-version: ${{ env.GHC_FOR_RELEASE }}
@@ -327,7 +327,7 @@ jobs:
           echo "allow-newer: ${ALLOWNEWER}"  >> cabal.validate.project
           echo "constraints: ${CONSTRAINTS}" >> cabal.validate.project
 
-      - uses: haskell-actions/setup@v2
+      - uses: haskell-actions/setup@v2.11.0
         id: setup-haskell
         with:
           ghc-version: ${{ env.GHC_FOR_RELEASE }}
@@ -414,7 +414,7 @@ jobs:
 
       - uses: actions/checkout@v7
 
-      - uses: haskell-actions/setup@v2
+      - uses: haskell-actions/setup@v2.11.0
         id: setup-haskell
         with:
           ghc-version: ${{ matrix.ghc }}