diff --git a/fedora-39-updates.repo b/fedora-39-updates.repo
index 24a4957..8dde6e1 100644
--- a/fedora-39-updates.repo
+++ b/fedora-39-updates.repo
@@ -1,6 +1,6 @@
-[fedora-39-updates]
-name=Fedora 39 $basearch Updates
-mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=updates-released-f39&arch=$basearch
+[fedora-40-updates]
+name=Fedora 40 $basearch Updates
+mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=updates-released-f40&arch=$basearch
 enabled=1
 gpgcheck=1
 metadata_expire=1d
diff --git a/fedora-39.repo b/fedora-39.repo
index 7b16cc3..c3377d8 100644
--- a/fedora-39.repo
+++ b/fedora-39.repo
@@ -1,6 +1,6 @@
-[fedora-39]
-name=Fedora 39 $basearch
-mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=fedora-39&arch=$basearch
+[fedora-40]
+name=Fedora 40 $basearch
+mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=fedora-40&arch=$basearch
 enabled=1
 gpgcheck=1
 metadata_expire=1d
diff --git a/fedora-base.yaml b/fedora-base.yaml
index aa670e9..f3d57f0 100644
--- a/fedora-base.yaml
+++ b/fedora-base.yaml
@@ -16,5 +16,5 @@ packages:
 
 repos:
   - fedora-rawhide
-  # - fedora-39
-  # - fedora-39-updates
+  # - fedora-40
+  # - fedora-40-updates
diff --git a/fedora-cinnamon.yaml b/fedora-cinnamon.yaml
index 3bf70b7..e3d8743 100644
--- a/fedora-cinnamon.yaml
+++ b/fedora-cinnamon.yaml
@@ -13,5 +13,5 @@ packages:
 
 repos:
   - fedora-rawhide
-  # - fedora-39
-  # - fedora-39-updates
+  # - fedora-40
+  # - fedora-40-updates
diff --git a/fedora-common-ostree.yaml b/fedora-common-ostree.yaml
index 9b81f36..e8d1d65 100644
--- a/fedora-common-ostree.yaml
+++ b/fedora-common-ostree.yaml
@@ -1,7 +1,7 @@
 ref: fedora/rawhide/${basearch}/ostree-base
 
-automatic_version_prefix: "39"
-mutate-os-release: "39"
+automatic_version_prefix: "40"
+mutate-os-release: "40"
 
 # Default to `bash` in our container, the same as other containers we ship.
 container-cmd:
diff --git a/fedora-deepin.yaml b/fedora-deepin.yaml
index 141c436..9e73373 100644
--- a/fedora-deepin.yaml
+++ b/fedora-deepin.yaml
@@ -13,5 +13,5 @@ packages:
 
 repos:
   - fedora-rawhide
-  # - fedora-39
-  # - fedora-39-updates
+  # - fedora-40
+  # - fedora-40-updates
diff --git a/fedora-kinoite.yaml b/fedora-kinoite.yaml
index c6c180e..9c8a112 100644
--- a/fedora-kinoite.yaml
+++ b/fedora-kinoite.yaml
@@ -42,5 +42,5 @@ exclude-packages:
 
 repos:
   - fedora-rawhide
-  # - fedora-39
-  # - fedora-39-updates
+  # - fedora-40
+  # - fedora-40-updates
diff --git a/fedora-lazurite.yaml b/fedora-lazurite.yaml
index 9ae731d..d607da5 100644
--- a/fedora-lazurite.yaml
+++ b/fedora-lazurite.yaml
@@ -18,5 +18,5 @@ packages:
 
 repos:
   - fedora-rawhide
-  # - fedora-39
-  # - fedora-39-updates
+  # - fedora-40
+  # - fedora-40-updates
diff --git a/fedora-mate.yaml b/fedora-mate.yaml
index 8ee72b3..926d7c0 100644
--- a/fedora-mate.yaml
+++ b/fedora-mate.yaml
@@ -15,5 +15,5 @@ exclude-packages:
 
 repos:
   - fedora-rawhide
-  # - fedora-39
-  # - fedora-39-updates
+  # - fedora-40
+  # - fedora-40-updates
diff --git a/fedora-sericea.yaml b/fedora-sericea.yaml
index 269f0a2..5a82104 100644
--- a/fedora-sericea.yaml
+++ b/fedora-sericea.yaml
@@ -18,5 +18,5 @@ exclude-packages:
   - tracker-miners
 repos:
   - fedora-rawhide
-  # - fedora-39
-  # - fedora-39-updates
+  # - fedora-40
+  # - fedora-40-updates
diff --git a/fedora-silverblue.yaml b/fedora-silverblue.yaml
index 0c5b7c3..0a8b08b 100644
--- a/fedora-silverblue.yaml
+++ b/fedora-silverblue.yaml
@@ -24,5 +24,5 @@ packages:
 
 repos:
   - fedora-rawhide
-  # - fedora-39
-  # - fedora-39-updates
+  # - fedora-40
+  # - fedora-40-updates
diff --git a/fedora-vauxite.yaml b/fedora-vauxite.yaml
index 5741181..77f7925 100644
--- a/fedora-vauxite.yaml
+++ b/fedora-vauxite.yaml
@@ -19,5 +19,5 @@ packages:
   - xarchiver
 repos:
   - fedora-rawhide
-  # - fedora-39
-  # - fedora-39-updates
+  # - fedora-40
+  # - fedora-40-updates