diff --git a/.github/workflows/buildjet-ci.yaml b/.github/workflows/buildjet-ci.yaml
index 8c817244..aa4e6e25 100644
--- a/.github/workflows/buildjet-ci.yaml
+++ b/.github/workflows/buildjet-ci.yaml
@@ -21,7 +21,7 @@ jobs:
         with:
           submodules: true
 
-      - uses: nixbuild/nix-quick-install-action@v30
+      - uses: nixbuild/nix-quick-install-action@v32
 
       - name: Restore and save Nix store
         uses: ./.
@@ -100,7 +100,7 @@ jobs:
               || format('git pull --rebase origin {0}', github.ref_name) 
           }}
 
-      - uses: nixbuild/nix-quick-install-action@v30
+      - uses: nixbuild/nix-quick-install-action@v32
 
       - name: Restore Nix store - ${{ matrix.id }}
         id: restore
@@ -167,7 +167,7 @@ jobs:
                 || format('git pull --rebase origin {0}', github.ref_name) 
             }}
 
-      - uses: nixbuild/nix-quick-install-action@v30
+      - uses: nixbuild/nix-quick-install-action@v32
 
       - name: Restore and save Nix store
         uses: ./.
@@ -243,7 +243,7 @@ jobs:
                 || format('git pull --rebase origin {0}', github.ref_name) 
             }}
 
-      - uses: nixbuild/nix-quick-install-action@v30
+      - uses: nixbuild/nix-quick-install-action@v32
 
       - name: Restore Nix store
         uses: ./restore
@@ -311,7 +311,7 @@ jobs:
               || format('git pull --rebase origin {0}', github.ref_name) 
           }}
 
-      - uses: nixbuild/nix-quick-install-action@v30
+      - uses: nixbuild/nix-quick-install-action@v32
 
       - name: Restore and save Nix store
         if: matrix.do-cache
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f28ae5ee..a0c126ad 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -39,7 +39,7 @@ jobs:
         with:
           submodules: true
 
-      - uses: nixbuild/nix-quick-install-action@v30
+      - uses: nixbuild/nix-quick-install-action@v32
         with:
           # We don't enable ca-derivations here
           # because we have later jobs where ca-derivations is enabled.
@@ -125,7 +125,7 @@ jobs:
               || format('git pull --rebase origin {0}', github.ref_name) 
           }}
 
-      - uses: nixbuild/nix-quick-install-action@v30
+      - uses: nixbuild/nix-quick-install-action@v32
         with:
           # Make caches with ca-derivations enabled on some machines
           # to test merging stores where the feature is enabled for one store and disabled for another.
@@ -203,7 +203,7 @@ jobs:
                 || format('git pull --rebase origin {0}', github.ref_name) 
             }}
 
-      - uses: nixbuild/nix-quick-install-action@v30
+      - uses: nixbuild/nix-quick-install-action@v32
         with:
           # We enable ca-derivations only on macos-15
           # to test more different cases.
@@ -282,7 +282,7 @@ jobs:
                 || format('git pull --rebase origin {0}', github.ref_name) 
             }}
 
-      - uses: nixbuild/nix-quick-install-action@v30
+      - uses: nixbuild/nix-quick-install-action@v32
         with:
           nix_conf: ${{ env.nix_conf }}
 
@@ -348,7 +348,7 @@ jobs:
               || format('git pull --rebase origin {0}', github.ref_name) 
           }}
 
-      - uses: nixbuild/nix-quick-install-action@v30
+      - uses: nixbuild/nix-quick-install-action@v32
         with:
           nix_conf: ${{ env.nix_conf }}
 
diff --git a/.github/workflows/test-hash-collision.yml b/.github/workflows/test-hash-collision.yml
index 5c0dc04e..e2d11a0d 100644
--- a/.github/workflows/test-hash-collision.yml
+++ b/.github/workflows/test-hash-collision.yml
@@ -17,7 +17,7 @@ jobs:
       - name: Checkout this repo
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: nixbuild/nix-quick-install-action@v30
+        uses: nixbuild/nix-quick-install-action@v32
         with:
           nix_conf: |
             substituters = https://cache.nixos.org/ https://nix-community.cachix.org https://cache.iog.io