diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 48478fe..3125d0f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -17,28 +17,14 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: cachix/install-nix-action@v31
+      - name: Install GHCup
+        uses: haskell/ghcup-setup@v1
         with:
-          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+          cabal: latest
 
-      - name: Install cachix
-        uses: cachix/cachix-action@v16
-        with:
-          name: haskell-miso-cachix
-
-      - name: Build WASM using Nix
-        run: nix develop .#wasm --command bash -c "make"
-
-      - name: Clean and GC
-        run: nix develop .#wasm --command bash -c "make" && nix-collect-garbage -d
-
-      - name: Build JS using Nix
-        run: nix develop .#ghcjs --command bash -c "make js"
-
-      - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
-        with:
-          path: ./public
+      - name: Build using GHC
+        run: |
+          make ghcup-build
 
   deploy:
     if: github.ref == 'refs/heads/main'
diff --git a/Makefile b/Makefile
index dcf1171..dc44345 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,9 @@
 .PHONY= update build optim
 
+CABAL_ARGS += --allow-newer=base,template-haskell --with-compiler=wasm32-wasi-ghc --with-hc-pkg=wasm32-wasi-ghc-pkg --with-hsc2hs=wasm32-wasi-hsc2hs --with-haddock=wasm32-wasi-haddock
+RELEASE_CHANNEL := https://gitlab.haskell.org/haskell-wasm/ghc-wasm-meta/-/raw/master/ghcup-wasm-0.0.9.yaml
+WASM_BOOTSTRAP := https://gitlab.haskell.org/haskell-wasm/ghc-wasm-meta/-/raw/master/bootstrap.sh
+
 all: update build optim
 
 js: update-js build-js
@@ -21,6 +25,19 @@ build:
 	$(shell wasm32-wasi-ghc --print-libdir)/post-link.mjs --input $(my_wasm) --output public/ghc_wasm_jsffi.js
 	cp -v $(my_wasm) public/
 
+ghcup-update:
+	cabal update $(CABAL_ARGS)
+
+ghcup-build: | install-wasm-via-ghcup ghcup-update
+	. ~/.ghc-wasm/env && \
+		cabal build $(CABAL_ARGS)
+
+install-wasm-via-ghcup:
+	curl $(WASM_BOOTSTRAP) | SKIP_GHC=1 sh
+	. ~/.ghc-wasm/env && \
+		ghcup config add-release-channel $(RELEASE_CHANNEL) && \
+		ghcup install ghc --set wasm32-wasi-9.15 -- $$CONFIGURE_ARGS
+
 optim:
 	wasm-opt -all -O2 public/app.wasm -o public/app.wasm
 	wasm-tools strip -o public/app.wasm public/app.wasm
@@ -28,6 +45,9 @@ optim:
 serve:
 	http-server public
 
+ghcup-serve:
+	cd public; php -S localhost:1234
+
 clean:
 	rm -rf dist-newstyle public