diff --git a/.github/workflows/binaries.yaml b/.github/workflows/binaries.yaml
index d16e0932ef3..15d35dfc9b3 100644
--- a/.github/workflows/binaries.yaml
+++ b/.github/workflows/binaries.yaml
@@ -29,7 +29,7 @@ jobs:
           log-lines = 1000
 
     - name: ❄ Cachix cache of nix derivations
-      uses: cachix/cachix-action@v14
+      uses: cachix/cachix-action@v15
       with:
         name: cardano-scaling
         authToken: '${{ secrets.CACHIX_CARDANO_SCALING_AUTH_TOKEN }}'
@@ -67,7 +67,7 @@ jobs:
           log-lines = 1000
 
     - name: ❄ Cachix cache of nix derivations
-      uses: cachix/cachix-action@v14
+      uses: cachix/cachix-action@v15
       with:
         name: cardano-scaling
         authToken: '${{ secrets.CACHIX_CARDANO_SCALING_AUTH_TOKEN }}'
diff --git a/.github/workflows/ci-nix.yaml b/.github/workflows/ci-nix.yaml
index 1781355e711..252e529906d 100644
--- a/.github/workflows/ci-nix.yaml
+++ b/.github/workflows/ci-nix.yaml
@@ -40,7 +40,7 @@ jobs:
           log-lines = 1000
 
     - name: ❄ Cachix cache of nix derivations
-      uses: cachix/cachix-action@v14
+      uses: cachix/cachix-action@v15
       with:
         name: cardano-scaling
         authToken: '${{ secrets.CACHIX_CARDANO_SCALING_AUTH_TOKEN }}'
@@ -122,7 +122,7 @@ jobs:
           log-lines = 1000
 
     - name: ❄ Cachix cache of nix derivations
-      uses: cachix/cachix-action@v14
+      uses: cachix/cachix-action@v15
       with:
         name: cardano-scaling
         authToken: '${{ secrets.CACHIX_CARDANO_SCALING_AUTH_TOKEN }}'
@@ -169,7 +169,7 @@ jobs:
           log-lines = 1000
 
     - name: ❄ Cachix cache of nix derivations
-      uses: cachix/cachix-action@v14
+      uses: cachix/cachix-action@v15
       with:
         name: cardano-scaling
         authToken: '${{ secrets.CACHIX_CARDANO_SCALING_AUTH_TOKEN }}'
@@ -248,7 +248,7 @@ jobs:
           log-lines = 1000
 
     - name: ❄ Cachix cache of nix derivations
-      uses: cachix/cachix-action@v14
+      uses: cachix/cachix-action@v15
       with:
         name: cardano-scaling
         authToken: '${{ secrets.CACHIX_CARDANO_SCALING_AUTH_TOKEN }}'
@@ -273,7 +273,7 @@ jobs:
           log-lines = 1000
 
     - name: ❄ Cachix cache of nix derivations
-      uses: cachix/cachix-action@v14
+      uses: cachix/cachix-action@v15
       with:
         name: cardano-scaling
         authToken: '${{ secrets.CACHIX_CARDANO_SCALING_AUTH_TOKEN }}'
diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
index d85ee56ae29..106d55c64e4 100644
--- a/.github/workflows/docker.yaml
+++ b/.github/workflows/docker.yaml
@@ -40,7 +40,7 @@ jobs:
           log-lines = 1000
 
     - name: ❄ Cachix cache of nix derivations
-      uses: cachix/cachix-action@v14
+      uses: cachix/cachix-action@v15
       with:
         name: cardano-scaling
         authToken: '${{ secrets.CACHIX_CARDANO_SCALING_AUTH_TOKEN }}'
diff --git a/.github/workflows/formatting.yaml b/.github/workflows/formatting.yaml
index eef87d7b610..9b63edb2c15 100644
--- a/.github/workflows/formatting.yaml
+++ b/.github/workflows/formatting.yaml
@@ -19,7 +19,7 @@ jobs:
           log-lines = 1000
 
     - name: ❄ Cachix cache of nix derivations
-      uses: cachix/cachix-action@v14
+      uses: cachix/cachix-action@v15
       with:
         name: cardano-scaling
         authToken: '${{ secrets.CACHIX_CARDANO_SCALING_AUTH_TOKEN }}'