diff --git a/fedora-23-i386.json b/fedora-25-i386.json
similarity index 95%
rename from fedora-23-i386.json
rename to fedora-25-i386.json
index 002aecef1..f1e854b1b 100644
--- a/fedora-23-i386.json
+++ b/fedora-25-i386.json
@@ -1,4 +1,3 @@
-
 {
   "builders": [
     {
@@ -141,9 +140,9 @@
       "scripts": [
         "scripts/common/metadata.sh",
         "scripts/fedora/fix-slow-dns.sh",
-        "scripts/common/sshd.sh",
         "scripts/fedora/build-tools.sh",
         "scripts/fedora/yum.sh",
+        "scripts/common/sshd.sh",
         "scripts/common/virtualbox.sh",
         "scripts/common/vmware.sh",
         "scripts/common/parallels.sh",
@@ -156,7 +155,7 @@
   ],
   "variables": {
     "arch": "32",
-    "box_basename": "fedora-23-i386",
+    "box_basename": "fedora-25-i386",
     "build_timestamp": "{{isotime \"20060102150405\"}}",
     "cpus": "1",
     "disk_size": "40960",
@@ -164,17 +163,17 @@
     "headless": "",
     "http_proxy": "{{env `http_proxy`}}",
     "https_proxy": "{{env `https_proxy`}}",
-    "iso_checksum": "aa2125b6351480ce82ace619925d897d0588195a3287ef74fb203b6eb34cbccf",
+    "iso_checksum": "888ce3dd791854c8e0f62e9eac292a90cf9765a3f2de75b6ceb99eaa62d7f2cc",
     "iso_checksum_type": "sha256",
-    "iso_name": "Fedora-Server-DVD-i386-23.iso",
+    "iso_name": "Fedora-Server-dvd-i386-25-1.3.iso",
     "ks_path": "fedora-latest/ks.cfg",
     "memory": "512",
     "metadata": "floppy/dummy_metadata.json",
     "mirror": "http://download.fedoraproject.org/pub/fedora/linux",
-    "mirror_directory": "releases/23/Server/i386/iso",
-    "name": "fedora-23-i386",
+    "mirror_directory": "releases/25/Server/i386/iso",
+    "name": "fedora-25-i386",
     "no_proxy": "{{env `no_proxy`}}",
-    "template": "fedora-23-i386",
+    "template": "fedora-25-i386",
     "version": "2.0.TIMESTAMP"
   }
 }
diff --git a/fedora-23-x86_64.json b/fedora-25-x86_64.json
similarity index 95%
rename from fedora-23-x86_64.json
rename to fedora-25-x86_64.json
index 64908ce55..96f192c03 100644
--- a/fedora-23-x86_64.json
+++ b/fedora-25-x86_64.json
@@ -161,7 +161,7 @@
   ],
   "variables": {
     "arch": "64",
-    "box_basename": "fedora-23",
+    "box_basename": "fedora-25",
     "build_timestamp": "{{isotime \"20060102150405\"}}",
     "cpus": "1",
     "disk_size": "40960",
@@ -169,17 +169,17 @@
     "headless": "",
     "http_proxy": "{{env `http_proxy`}}",
     "https_proxy": "{{env `https_proxy`}}",
-    "iso_checksum": "30758dc821d1530de427c9e35212bd79b058bd4282e64b7b34ae1a40c87c05ae",
+    "iso_checksum": "524bd959dae09ad6fc8e0476ea478700d89f82ec5795d0b1a7b873613f3f26ac",
     "iso_checksum_type": "sha256",
-    "iso_name": "Fedora-Server-DVD-x86_64-23.iso",
+    "iso_name": "Fedora-Server-dvd-x86_64-25-1.3.iso",
     "ks_path": "fedora-latest/ks.cfg",
     "memory": "512",
     "metadata": "floppy/dummy_metadata.json",
     "mirror": "http://download.fedoraproject.org/pub/fedora/linux",
-    "mirror_directory": "releases/23/Server/x86_64/iso",
-    "name": "fedora-23",
+    "mirror_directory": "releases/25/Server/x86_64/iso",
+    "name": "fedora-25",
     "no_proxy": "{{env `no_proxy`}}",
-    "template": "fedora-23-x86_64",
+    "template": "fedora-25-x86_64",
     "version": "2.0.TIMESTAMP"
   }
 }
diff --git a/scripts/fedora/cleanup.sh b/scripts/fedora/cleanup.sh
index 13f3111e2..3ab13a04b 100644
--- a/scripts/fedora/cleanup.sh
+++ b/scripts/fedora/cleanup.sh
@@ -1,5 +1,5 @@
 #!/bin/bash -eux
-yum -y remove gcc cpp kernel-devel kernel-headers perl
-yum -y clean all
+dnf -y remove gcc cpp kernel-devel kernel-headers perl
+dnf -y clean all
 rm -rf VBoxGuestAdditions_*.iso VBoxGuestAdditions_*.iso.?
 rm -f /tmp/chef*rpm
diff --git a/scripts/fedora/fix-slow-dns.sh b/scripts/fedora/fix-slow-dns.sh
index cd9ef8458..384632df3 100644
--- a/scripts/fedora/fix-slow-dns.sh
+++ b/scripts/fedora/fix-slow-dns.sh
@@ -1,11 +1,6 @@
 #!/bin/bash -eux
 
 if [[ "$PACKER_BUILDER_TYPE" == virtualbox* ]]; then
-  # fix bug to enable nm-dispatcher on Fedora 19 https://bugzilla.redhat.com/show_bug.cgi?id=974811
-  if [[ $(rpm -q --queryformat '%{VERSION}\n' fedora-release) == 19 ]]; then
-    yum -y upgrade NetworkManager
-    systemctl enable NetworkManager-dispatcher.service
-  fi
 
   ## https://access.redhat.com/site/solutions/58625 (subscription required)
   # add 'single-request-reopen' so it is included when /etc/resolv.conf is generated
@@ -14,7 +9,7 @@ if [[ "$PACKER_BUILDER_TYPE" == virtualbox* ]]; then
 echo "options single-request-reopen" >> /etc/resolv.conf
 EOF
   chmod +x /etc/NetworkManager/dispatcher.d/fix-slow-dns
-  service NetworkManager restart
+  systemctl restart NetworkManager.service
   echo 'Slow DNS fix applied (single-request-reopen)'
 else
   echo 'Slow DNS fix not required for this platform, skipping'