diff --git a/Chart.lock b/Chart.lock
index a051aa8..856e361 100644
--- a/Chart.lock
+++ b/Chart.lock
@@ -1,9 +1,9 @@
 dependencies:
 - name: postgresql
   repository: https://charts.bitnami.com/bitnami
-  version: 13.2.25
+  version: 15.2.5
 - name: redis
   repository: https://charts.bitnami.com/bitnami
-  version: 18.6.1
-digest: sha256:1e6f98166d83b365e2747fa409177269082a7f5507957a09ff55a54079b076a1
-generated: "2023-12-22T09:08:53.152690743-05:00"
+  version: 19.1.0
+digest: sha256:c25feea0aca5b7e2887f3d86485e1d5caee290ef600b5c80bb0e66d43432f7fe
+generated: "2024-04-10T11:09:39.732559423-04:00"
diff --git a/Chart.yaml b/Chart.yaml
index f98a94e..9e904af 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -14,20 +14,20 @@ type: application
 
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
-version: 2.5.3
+version: 3.0.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application.
-appVersion: 3.4.6
+appVersion: 4.0.0
 
 icon: https://glitchtip.gitlab.io/glitchtip-helm-chart/icon.svg
 
 dependencies:
   - name: postgresql
-    version: ^13.0.0
+    version: ^15.2.5
     repository: https://charts.bitnami.com/bitnami
     condition: postgresql.enabled
   - name: redis
-    version: ^18.1.2
+    version: ^19.1.0
     repository: https://charts.bitnami.com/bitnami
     condition: redis.enabled
diff --git a/charts/postgresql-13.2.25.tgz b/charts/postgresql-13.2.25.tgz
deleted file mode 100644
index ded1d81..0000000
Binary files a/charts/postgresql-13.2.25.tgz and /dev/null differ
diff --git a/charts/postgresql-15.2.5.tgz b/charts/postgresql-15.2.5.tgz
new file mode 100644
index 0000000..f63e2e9
Binary files /dev/null and b/charts/postgresql-15.2.5.tgz differ
diff --git a/charts/redis-18.6.1.tgz b/charts/redis-18.6.1.tgz
deleted file mode 100644
index 0d3e9f7..0000000
Binary files a/charts/redis-18.6.1.tgz and /dev/null differ
diff --git a/charts/redis-19.1.0.tgz b/charts/redis-19.1.0.tgz
new file mode 100644
index 0000000..d58c52c
Binary files /dev/null and b/charts/redis-19.1.0.tgz differ
diff --git a/values.yaml b/values.yaml
index 501d67b..7f72f6c 100644
--- a/values.yaml
+++ b/values.yaml
@@ -1,7 +1,7 @@
 # Default values for glitchtip.
 image:
   repository: glitchtip/glitchtip
-  tag: v3.4.6
+  tag: v4.0.0
   pullPolicy: IfNotPresent
 
 imagePullSecrets: []