diff --git a/.github/workflows/lint-test.yml b/.github/workflows/lint-test.yml
index 31121ad..cda5467 100644
--- a/.github/workflows/lint-test.yml
+++ b/.github/workflows/lint-test.yml
@@ -18,7 +18,7 @@ jobs:
 
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: 3.8
 
       - name: Set up chart-testing
         uses: helm/chart-testing-action@v2.2.1
diff --git a/charts/redis-stack-server/Chart.yaml b/charts/redis-stack-server/Chart.yaml
index 30e379b..a91534d 100644
--- a/charts/redis-stack-server/Chart.yaml
+++ b/charts/redis-stack-server/Chart.yaml
@@ -15,10 +15,10 @@ 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.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.4.15
+version: 0.4.16
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "7.2.9"
+appVersion: "7.4.3"
diff --git a/charts/redis-stack-server/values.yaml b/charts/redis-stack-server/values.yaml
index d2d7e35..788e173 100644
--- a/charts/redis-stack-server/values.yaml
+++ b/charts/redis-stack-server/values.yaml
@@ -1,7 +1,7 @@
 name: redis-stack-server
 redis_stack_server:
   image: "redis/redis-stack-server"
-  tag: "7.4.0-v2"
+  tag: "7.4.0-v3"
   port: 6379
   replicas: 1
   storage_class: standard
diff --git a/charts/redis-stack/Chart.yaml b/charts/redis-stack/Chart.yaml
index 177ed73..047cbe7 100644
--- a/charts/redis-stack/Chart.yaml
+++ b/charts/redis-stack/Chart.yaml
@@ -15,10 +15,10 @@ 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.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.4.15
+version: 0.4.16
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "7.2.9"
+appVersion: "7.4.3"
diff --git a/charts/redis-stack/values.yaml b/charts/redis-stack/values.yaml
index 53399d6..9afb5ac 100644
--- a/charts/redis-stack/values.yaml
+++ b/charts/redis-stack/values.yaml
@@ -1,7 +1,7 @@
 name: redis-stack
 redis_stack:
   image: "redis/redis-stack"
-  tag: "7.4.0-v2"
+  tag: "7.4.0-v3"
   redis_insight: "redis-insight"
   redis_insight_port: 8001
   redis_server_port: 6379