diff --git a/CHANGELOG.md b/CHANGELOG.md
index 084ee5933b..9a3426d4d9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,10 @@
-## Fleet 4.78.1 (Jan 06, 2026)
+## Fleet 4.78.2 (Jan 10, 2026)
+
+### Bug fixes
+
+- Added additional validation to URL parameter for MS MDM auth endpoint
+
+## Fleet 4.78.1 (Jan 05, 2026)
 
 ### Bug fixes
 
diff --git a/charts/fleet/Chart.yaml b/charts/fleet/Chart.yaml
index aeb8d4bcb2..e26e8ba826 100644
--- a/charts/fleet/Chart.yaml
+++ b/charts/fleet/Chart.yaml
@@ -4,11 +4,11 @@ name: fleet
 keywords:
   - fleet
   - osquery
-version: v6.7.6
+version: v6.7.7
 home: https://github.com/fleetdm/fleet
 sources:
   - https://github.com/fleetdm/fleet.git
-appVersion: v4.78.1
+appVersion: v4.78.2
 dependencies:
   - name: mysql
     condition: mysql.enabled
diff --git a/charts/fleet/values.yaml b/charts/fleet/values.yaml
index 597096155f..5d27380ffe 100644
--- a/charts/fleet/values.yaml
+++ b/charts/fleet/values.yaml
@@ -4,7 +4,7 @@ hostName: fleet.localhost
 replicas: 3 # The number of Fleet instances to deploy
 revisionHistoryLimit: 10 # Number of old ReplicaSets for Fleet deployment to retain for rollback (set to 0 for unlimited)
 imageRepository: fleetdm/fleet
-imageTag: v4.78.1 # Version of Fleet to deploy
+imageTag: v4.78.2 # Version of Fleet to deploy
 # imagePullSecrets is optional.
 # imagePullSecrets:
 #   - name: docker
diff --git a/infrastructure/dogfood/terraform/aws/variables.tf b/infrastructure/dogfood/terraform/aws/variables.tf
index 82aef0cd5a..bc936a1bff 100644
--- a/infrastructure/dogfood/terraform/aws/variables.tf
+++ b/infrastructure/dogfood/terraform/aws/variables.tf
@@ -56,7 +56,7 @@ variable "database_name" {
 
 variable "fleet_image" {
   description = "the name of the container image to run"
-  default     = "fleetdm/fleet:v4.78.1"
+  default     = "fleetdm/fleet:v4.78.2"
 }
 
 variable "software_inventory" {
diff --git a/infrastructure/dogfood/terraform/gcp/variables.tf b/infrastructure/dogfood/terraform/gcp/variables.tf
index dd5c99e738..c45ef886d9 100644
--- a/infrastructure/dogfood/terraform/gcp/variables.tf
+++ b/infrastructure/dogfood/terraform/gcp/variables.tf
@@ -68,7 +68,7 @@ variable "redis_mem" {
 }
 
 variable "image" {
-  default = "fleetdm/fleet:v4.78.1"
+  default = "fleetdm/fleet:v4.78.2"
 
 variable "software_installers_bucket_name" {
   default = "fleet-software-installers"
diff --git a/tools/fleetctl-npm/package.json b/tools/fleetctl-npm/package.json
index 768ba682ed..c8dd7a54fd 100644
--- a/tools/fleetctl-npm/package.json
+++ b/tools/fleetctl-npm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fleetctl",
-  "version": "v4.78.1",
+  "version": "v4.78.2",
   "description": "Installer for the fleetctl CLI tool",
   "bin": {
     "fleetctl": "./run.js"