diff --git a/flake.nix b/flake.nix
index c4c1e2e..979cf89 100644
--- a/flake.nix
+++ b/flake.nix
@@ -100,7 +100,7 @@
                  "ghc881" "ghc882" "ghc883" "ghc884"
                  "ghc8101" "ghc8102" "ghc8103" "ghc8104" "ghc8105" "ghc8106" "ghc810420210212"
                  "ghc901"
-                 "ghc921" "ghc922" "ghc923" "ghc924" "ghc925"
+                 "ghc921" "ghc922" "ghc923" "ghc924" "ghc925" "ghc926"
                  "ghc941" "ghc942" "ghc943" ];
                  static-pkgs = if pkgs.stdenv.hostPlatform.isLinux
                                then if pkgs.stdenv.hostPlatform.isAarch64
diff --git a/haskell/nix-shell/action.yml b/haskell/nix-shell/action.yml
index d0cdd06..d7b9ee6 100644
--- a/haskell/nix-shell/action.yml
+++ b/haskell/nix-shell/action.yml
@@ -4,7 +4,7 @@ inputs:
   compiler:
     description: 'compiler name to use, e.g. ghc8107, ghc924, ...'
     required: true
-    default: "ghc925"
+    default: "ghc927"
 
 runs:
   using: "composite"
@@ -22,8 +22,8 @@ runs:
       run: nix develop github:input-output-hk/devx#${{ inputs.compiler }} --no-write-lock-file --command cabal update
       shell: bash
     - name: Build dependencies
-      run: nix develop github:input-output-hk/devx#${{ inputs.compiler }} --no-write-lock-file --command cabal build all --only-dependencies -j 
+      run: nix develop github:input-output-hk/devx#${{ inputs.compiler }} --no-write-lock-file --command cabal build all --only-dependencies -j
       shell: bash
     - name: Build project
-      run: nix develop github:input-output-hk/devx#${{ inputs.compiler }} --no-write-lock-file --command cabal build all -j 
+      run: nix develop github:input-output-hk/devx#${{ inputs.compiler }} --no-write-lock-file --command cabal build all -j
       shell: bash