diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 22a49db..47d7e0f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -53,14 +53,17 @@ jobs:
             ${{ runner.os }}-${{ matrix.arch }}-ghostty-
 
       - name: Setup build environment
-        run: |
-          ZIG_VERSION=0.14.0 ./setup.sh
-
-      - name: Build Ghostty AppImage
         run: |
           if [ "${{ github.event_name }}" == "schedule" ]; then
+            export ZIG_VERSION=0.15.1
             echo "tip" > VERSION
+          else
+            export ZIG_VERSION=0.14.0
           fi
+          ZIG_VERSION=$ZIG_VERSION ./setup.sh
+
+      - name: Build Ghostty AppImage
+        run: |
           ./build.sh
 
       - name: Upload AppImage Artifacts
diff --git a/build.sh b/build.sh
index 27354a4..034bc55 100755
--- a/build.sh
+++ b/build.sh
@@ -61,7 +61,7 @@ export ICON="./ghostty-${GHOSTTY_VERSION}/zig-out/share/icons/hicolor/256x256/ap
 
 ./quick-sharun ./ghostty-${GHOSTTY_VERSION}/zig-out/bin/ghostty
 cp -rf ./ghostty-${GHOSTTY_VERSION}/zig-out/share/* ./AppDir/share/
-echo 'unset ARGV0' >> ./AppDir/.env
+echo 'unset ARGV0' >>./AppDir/.env
 # temp fix for https://github.com/pkgforge-dev/ghostty-appimage/issues/93
 ln -s /usr/share/glvnd/egl_vendor.d/10_nvidia.json ./AppDir/share/glvnd/egl_vendor.d/10_nvidia.json