diff --git a/.github/workflows/iso.yml b/.github/workflows/iso.yml
index 85b7f62..a66d5f0 100644
--- a/.github/workflows/iso.yml
+++ b/.github/workflows/iso.yml
@@ -37,7 +37,7 @@ on:
 env:
   IMAGE_VERSION: ${{ github.event.inputs.IMAGE_VERSION || '39' }}
   IMAGE_ARCH: ${{ github.event.inputs.IMAGE_ARCH || 'x86_64' }}
-  IMAGE_NAME: ${{ github.event.inputs.IMAGE_NAME || 'base-main' }}
+  IMAGE_NAME: ${{ github.event.inputs.IMAGE_NAME || 'silverblue-main' }}
   IMAGE_REPO: ${{ github.event.inputs.IMAGE_REPO || 'ghcr.io/ublue-os' }}
   VARIANT: ${{ github.event.inputs.VARIANT || 'Silverblue' }}
   CURR_REPO: ${{ github.event.inputs.BUILD_REPO || github.repository }}
@@ -47,7 +47,7 @@ jobs:
   build-and-push-iso:
     runs-on: ubuntu-latest
     container:
-      image: fedora:39
+      image: fedora:40
       options: "--privileged"
     permissions:
       contents: read
@@ -104,4 +104,4 @@ jobs:
           if-no-files-found: error
           retention-days: 0
           compression-level: 0
-          overwrite: true
\ No newline at end of file
+          overwrite: true
diff --git a/Makefile b/Makefile
index a9a1b80..4caf78f 100644
--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,7 @@ boot.iso: lorax_templates/set_installer.tmpl lorax_templates/configure_upgrades.
           --isfinal --buildarch=$(arch) --volid=$(image_name)-$(arch)-$(version) \
           $(lorax_args) \
 	  --rootfs-size 3 \
-          --repo /etc/yum.repos.d/fedora.repo \
+          --repo /etc/yum.repos.d/fedora-rawhide.repo \
           --repo /etc/yum.repos.d/fedora-updates.repo \
           --add-template $(base_dir)/lorax_templates/set_installer.tmpl \
 		  --add-template $(base_dir)/lorax_templates/configure_upgrades.tmpl \