diff --git a/.github/workflows/build_workflow.yml b/.github/workflows/build_workflow.yml
index d30d81c..f84c039 100644
--- a/.github/workflows/build_workflow.yml
+++ b/.github/workflows/build_workflow.yml
@@ -5,6 +5,7 @@ on:
   push:
     branches:
       - master
+      - perl_40
   pull_request:
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
diff --git a/.github/workflows/merged.yml b/.github/workflows/merged.yml
index 068f98f..b8d6b3b 100644
--- a/.github/workflows/merged.yml
+++ b/.github/workflows/merged.yml
@@ -5,6 +5,11 @@ on:
   push:
     branches:
       - master
+      - perl_40
+
+env:
+  BRANCH_NAME: ${{ github.ref_name == "master" && 'latest' ||  github.ref_name }}
+
 jobs:
   perl:
     runs-on: ubuntu-latest
@@ -23,7 +28,7 @@ jobs:
         uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09
         with:
           context: '.'
-          tags: deriv/perl:latest
+          tags: deriv/perl:${{env.BRANCH_NAME}}
           push: true
   dzil:
     needs: perl
@@ -38,12 +43,17 @@ jobs:
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Pull the associated perl image
+        run: |
+          docker pull deriv/perl:${{env.BRANCH_NAME}}
+          docker tag deriv/perl:${{env.BRANCH_NAME}} deriv/perl:latest
       -
         name: Build And Publish Docker Image
         uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09
         with:
           context: 'dzil/'
-          tags: deriv/dzil:latest
+          tags: deriv/dzil:${{env.BRANCH_NAME}}
           push: true   
   hadolint:
     uses: ./.github/workflows/hadolint.yml
diff --git a/Dockerfile b/Dockerfile
index 26b48a9..16fc167 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,12 @@
 # This is the layer that can run things
-FROM debian:stable
+FROM debian:stable-slim
 LABEL maintainer="Deriv Services Ltd <DERIV@cpan.org>"
 
 # Some standard server-like config used everywhere
 ENV TZ=UTC
 ENV DEBIAN_FRONTEND=noninteractive
-ENV PERL_VERSION=5.36.0
-ENV PERL_SHA256=0f386dccbee8e26286404b2cca144e1005be65477979beb9b1ba272d4819bcf0
+ENV PERL_VERSION=5.40.0
+ENV PERL_SHA256=d5325300ad267624cb0b7d512cfdfcd74fa7fe00c455c5b51a6bd53e5e199ef9
 ENV CPANM_VERSION=1.7045
 ENV CPANM_SHA256=ac4e4adc23fec0ab54f088aca511f5a57d95e6c97a12a1cb98eed1fe0fe0e99c