diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e01670f7..5b5993c6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,7 +2,7 @@ name: build
 on:
   push:
     branches:
-      - 5.2.x
+      - 5.3.x
 
 # Environment variables available to all jobs and steps in this workflow
 env:
@@ -31,7 +31,7 @@ jobs:
 
     - uses: statcan/actions/composer@master
       with:
-        args: require drupalwxt/wxt:5.2.x-dev#${{ github.sha }} --working-dir=./site-wxt
+        args: require drupalwxt/wxt:5.3.x-dev#${{ github.sha }} --working-dir=./site-wxt
 
     - name: Build out the Drupal infrastructure
       run: |
diff --git a/.github/workflows/changelog.yml b/.github/workflows/changelog.yml
index 67e09468..90b09c79 100644
--- a/.github/workflows/changelog.yml
+++ b/.github/workflows/changelog.yml
@@ -2,7 +2,7 @@ name: changelog
 on:
   push:
     branches:
-      - 5.2.x
+      - 5.3.x
   release:
     types: [edited]
 
diff --git a/.github/workflows/tag.yml b/.github/workflows/tag.yml
index 3597d04f..2adc6b0a 100644
--- a/.github/workflows/tag.yml
+++ b/.github/workflows/tag.yml
@@ -159,7 +159,7 @@ jobs:
       uses: jacobtomlinson/gha-find-replace@master
       with:
         find: "\"drupalwxt/wxt\": \"[3-5]\\.[0-9]+\\.[0-9|x]+(-(beta|rc|dev)[0-9]?)?\""
-        replace: "\"drupalwxt/wxt\": \"5.2.x-dev\""
+        replace: "\"drupalwxt/wxt\": \"5.3.x-dev\""
         exclude: ".git/**"
         include: "site-wxt/**"
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 509771ad..d8f2bbb9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # CHANGELOG
 
-## v5.2.4 (In Development)
+## v5.3.0 (In Development)
 
 - Build Infrastructure
   - N/A
diff --git a/README.md b/README.md
index 7070c157..faf82576 100644
--- a/README.md
+++ b/README.md
@@ -93,7 +93,7 @@ Extended with code and lessons learned by the **[Acquia Team][acquia]** over at
 
 [acquia]:                    https://acquia.com
 [blt]:                       https://github.com/acquia/blt
-[changelog]:                 https://github.com/drupalwxt/wxt/blob/5.2.x/CHANGELOG.md
+[changelog]:                 https://github.com/drupalwxt/wxt/blob/5.3.x/CHANGELOG.md
 [containers]:                https://hub.docker.com/r/drupalwxt/site-wxt
 [containers-scaffold]:       https://github.com/drupalwxt/docker-scaffold
 [contributors]:              https://github.com/drupalwxt/wxt/graphs/contributors
@@ -111,7 +111,7 @@ Extended with code and lessons learned by the **[Acquia Team][acquia]** over at
 [issue-drupal]:              https://drupal.org/project/issues/wxt
 [github-helm-drupal]:        https://github.com/drupalwxt/helm-drupal
 [lightning]:                 https://github.com/acquia/lightning
-[readme]:                    https://github.com/drupalwxt/wxt/blob/5.2.x/README.md
+[readme]:                    https://github.com/drupalwxt/wxt/blob/5.3.x/README.md
 [spec]:                      https://www.canada.ca/en/treasury-board-secretariat/services/government-communications/canada-content-information-architecture-specification.html
 [spec-canada]:               https://wet-boew.github.io/GCWeb/index-en.html
 [standard_accessibility]:    https://www.tbs-sct.gc.ca/pol/doc-eng.aspx?id=23601
diff --git a/src/Composer/ConfigureLegacyProject.php b/src/Composer/ConfigureLegacyProject.php
index 198f3e33..371be69e 100644
--- a/src/Composer/ConfigureLegacyProject.php
+++ b/src/Composer/ConfigureLegacyProject.php
@@ -24,7 +24,7 @@ public static function execute(Event $event) {
     $target = new JsonFile($arguments[0] . '/composer.json');
     $project = $target->read();
 
-    $project['require']["drupalwxt/wxt"] = "5.2.x";
+    $project['require']["drupalwxt/wxt"] = "5.3.x";
     $project['require-dev'] = new \stdClass();
     $project['repositories'][] = [
       'type' => 'composer',