diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 93fc9c58..e7b9ec35 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,8 +27,6 @@ jobs:
 
       - name: "Install Nix ❄️"
         uses: cachix/install-nix-action@v12
-        with:
-          skip_adding_nixpkgs_channel: true
 
       - name: "Install Cachix ❄️"
         uses: cachix/cachix-action@v8
diff --git a/.github/workflows/publish-site.yml b/.github/workflows/publish-site.yml
index 49c137f4..72c73d07 100644
--- a/.github/workflows/publish-site.yml
+++ b/.github/workflows/publish-site.yml
@@ -19,8 +19,6 @@ jobs:
 
       - name: "Install Nix ❄️"
         uses: cachix/install-nix-action@v12
-        with:
-          skip_adding_nixpkgs_channel: true
 
       - name: "Install Cachix ❄️"
         uses: cachix/cachix-action@v8
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 64e1d3ad..6fca83fb 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,8 +17,6 @@ jobs:
 
       - name: "Install Nix ❄️"
         uses: cachix/install-nix-action@v12
-        with:
-          skip_adding_nixpkgs_channel: true
 
       - name: "Install Cachix ❄️"
         uses: cachix/cachix-action@v8
diff --git a/shell.nix b/shell.nix
index e45c9093..aad79fa7 100644
--- a/shell.nix
+++ b/shell.nix
@@ -7,7 +7,7 @@ let
     packageOverrides = pkgs: rec {
       sbt = pkgs.sbt.overrideAttrs (
         old: rec {
-          version = "1.3.13";
+          version = "1.4.4";
 
           patchPhase = ''
             echo -java-home ${java} >> conf/sbtopts