diff --git a/.github/workflows/all-packages.yml b/.github/workflows/all-packages.yml
index 8068c5598..30757fa5b 100644
--- a/.github/workflows/all-packages.yml
+++ b/.github/workflows/all-packages.yml
@@ -22,7 +22,7 @@ jobs:
         key: ${{ runner.os }}-nvfetcher
 
     - name: Install latest nix
-      uses: cachix/install-nix-action@v18
+      uses: cachix/install-nix-action@v20
       with:
         extra_nix_config: |
           substituters = https://cache.nixos.org https://nix-community.cachix.org https://fog.cachix.org
diff --git a/.github/workflows/flake.yml b/.github/workflows/flake.yml
index d5a5bdaba..b29f0a988 100644
--- a/.github/workflows/flake.yml
+++ b/.github/workflows/flake.yml
@@ -13,7 +13,7 @@ jobs:
     - uses: actions/checkout@v3.1.0
 
     - name: Install latest nix
-      uses: cachix/install-nix-action@v18
+      uses: cachix/install-nix-action@v20
       with:
         extra_nix_config: |
           substituters = https://cache.nixos.org https://nix-community.cachix.org https://fog.cachix.org
diff --git a/.github/workflows/minecraft-mods.yml b/.github/workflows/minecraft-mods.yml
index 9e01c6cf2..ffebae821 100644
--- a/.github/workflows/minecraft-mods.yml
+++ b/.github/workflows/minecraft-mods.yml
@@ -22,7 +22,7 @@ jobs:
         key: ${{ runner.os }}-nvfetcher
 
     - name: Install latest nix
-      uses: cachix/install-nix-action@v18
+      uses: cachix/install-nix-action@v20
       with:
         extra_nix_config: |
           substituters = https://cache.nixos.org https://nix-community.cachix.org https://fog.cachix.org
diff --git a/.github/workflows/open-vsx.yml b/.github/workflows/open-vsx.yml
index 2cf998ee1..7118a9694 100644
--- a/.github/workflows/open-vsx.yml
+++ b/.github/workflows/open-vsx.yml
@@ -22,7 +22,7 @@ jobs:
         key: ${{ runner.os }}-nvfetcher
 
     - name: Install latest nix
-      uses: cachix/install-nix-action@v18
+      uses: cachix/install-nix-action@v20
       with:
         extra_nix_config: |
           substituters = https://cache.nixos.org https://nix-community.cachix.org https://fog.cachix.org
diff --git a/.github/workflows/papermc.yml b/.github/workflows/papermc.yml
index 3cdcda8f5..707597e74 100644
--- a/.github/workflows/papermc.yml
+++ b/.github/workflows/papermc.yml
@@ -22,7 +22,7 @@ jobs:
         key: ${{ runner.os }}-nvfetcher
 
     - name: Install latest nix
-      uses: cachix/install-nix-action@v18
+      uses: cachix/install-nix-action@v20
       with:
         extra_nix_config: |
           substituters = https://cache.nixos.org https://nix-community.cachix.org https://fog.cachix.org
diff --git a/.github/workflows/vsmarketplace.yml b/.github/workflows/vsmarketplace.yml
index e2963d15c..3dfbeae3c 100644
--- a/.github/workflows/vsmarketplace.yml
+++ b/.github/workflows/vsmarketplace.yml
@@ -28,7 +28,7 @@ jobs:
         key: ${{ runner.os }}-nvfetcher
 
     - name: Install latest nix
-      uses: cachix/install-nix-action@v18
+      uses: cachix/install-nix-action@v20
       with:
         extra_nix_config: |
           substituters = https://cache.nixos.org https://nix-community.cachix.org https://fog.cachix.org