diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 45ab034..101c7ea 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,7 +42,7 @@ jobs:
           HOST_SYSTEM: '${{ matrix.system }}'
 
       - name: Enable Binary Cache
-        uses: cachix/cachix-action@v12
+        uses: cachix/cachix-action@v15
         with:
           name: colmena
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
@@ -64,7 +64,7 @@ jobs:
         continue-on-error: true # Self-hosted runners already have Nix installed
 
       - name: Enable Binary Cache
-        uses: cachix/cachix-action@v12
+        uses: cachix/cachix-action@v15
         with:
           name: colmena
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
@@ -101,7 +101,7 @@ jobs:
         continue-on-error: true # Self-hosted runners already have Nix installed
 
       - name: Enable Binary Cache
-        uses: cachix/cachix-action@v12
+        uses: cachix/cachix-action@v15
         with:
           name: colmena
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index 0b103da..bf0d295 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -15,7 +15,7 @@ jobs:
         uses: DeterminateSystems/nix-installer-action@9b252454a8d70586c4ee7f163bf4bb1e9de3d763 # v2
 
       - name: Enable binary cache
-        uses: cachix/cachix-action@v12
+        uses: cachix/cachix-action@v15
         with:
           name: colmena
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/manual-stable.yml b/.github/workflows/manual-stable.yml
index 3be9cbc..76a1974 100644
--- a/.github/workflows/manual-stable.yml
+++ b/.github/workflows/manual-stable.yml
@@ -22,7 +22,7 @@ jobs:
         uses: DeterminateSystems/nix-installer-action@9b252454a8d70586c4ee7f163bf4bb1e9de3d763 # v2
 
       - name: Enable Binary Cache
-        uses: cachix/cachix-action@v12
+        uses: cachix/cachix-action@v15
         with:
           name: colmena
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/manual.yml b/.github/workflows/manual.yml
index 357d9ca..68ccad8 100644
--- a/.github/workflows/manual.yml
+++ b/.github/workflows/manual.yml
@@ -22,7 +22,7 @@ jobs:
         uses: DeterminateSystems/nix-installer-action@9b252454a8d70586c4ee7f163bf4bb1e9de3d763 # v2
 
       - name: Enable Binary Cache
-        uses: cachix/cachix-action@v12
+        uses: cachix/cachix-action@v15
         with:
           name: colmena
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6974925..4a3daa1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -20,7 +20,7 @@ jobs:
         uses: DeterminateSystems/nix-installer-action@9b252454a8d70586c4ee7f163bf4bb1e9de3d763 # v2
 
       - name: Enable Binary Cache
-        uses: cachix/cachix-action@v12
+        uses: cachix/cachix-action@v15
         with:
           name: colmena
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'