diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 9f86512897..aea5bb5889 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 3.50.0.dev
+current_version = 3.51.0.dev
 commit = False
 tag = False
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\.(?P<release>[a-z]+))?
diff --git a/.github/workflows/update_ci.yml b/.github/workflows/update_ci.yml
index a819c62028..1d55a4ae8d 100644
--- a/.github/workflows/update_ci.yml
+++ b/.github/workflows/update_ci.yml
@@ -74,7 +74,7 @@ jobs:
         with:
           fetch-depth: 0
           path: "pulpcore"
-          ref: "3.49"
+          ref: "3.50"
 
       - name: "Run update"
         working-directory: "pulpcore"
@@ -88,10 +88,10 @@ jobs:
           path: "pulpcore"
           committer: "pulpbot <pulp-infra@redhat.com>"
           author: "pulpbot <pulp-infra@redhat.com>"
-          title: "Update CI files for branch 3.49"
+          title: "Update CI files for branch 3.50"
           body: ""
-          branch: "update-ci/3.49"
-          base: "3.49"
+          branch: "update-ci/3.50"
+          base: "3.50"
           commit-message: |
             Update CI files
 
diff --git a/CHANGES/4315.deprecation b/CHANGES/4315.deprecation
deleted file mode 100644
index eeab6c2e38..0000000000
--- a/CHANGES/4315.deprecation
+++ /dev/null
@@ -1 +0,0 @@
-Task filter ``reserved_resources_record`` has been deprecated and planned for removal in pulpcore 3.55.
diff --git a/CHANGES/4315.misc b/CHANGES/4315.misc
deleted file mode 100644
index 48e347ff07..0000000000
--- a/CHANGES/4315.misc
+++ /dev/null
@@ -1,2 +0,0 @@
-Added new task resource locking method ``get_prn`` that does not change with different settings.
-``get_url`` is planned to be phased out of resource locking by pulpcore 3.55.
diff --git a/CHANGES/4637.bugfix b/CHANGES/4637.bugfix
deleted file mode 100644
index 8089ab7c9a..0000000000
--- a/CHANGES/4637.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fixed an issue in replicate, where an existing distribution had a conflicting publication set.
diff --git a/CHANGES/5100.bugfix b/CHANGES/5100.bugfix
deleted file mode 100644
index 334388ec12..0000000000
--- a/CHANGES/5100.bugfix
+++ /dev/null
@@ -1 +0,0 @@
-Fixed content directory listing not showing file size for 0-byte files.
diff --git a/docs/conf.py b/docs/conf.py
index e065db2199..0cf20026a8 100755
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -75,9 +75,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = "3.50.0.dev"
+version = "3.51.0.dev"
 # The full version, including alpha/beta/rc tags.
-release = "3.50.0.dev"
+release = "3.51.0.dev"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/pulp_certguard/app/__init__.py b/pulp_certguard/app/__init__.py
index 81b96b8320..2acbe22a47 100644
--- a/pulp_certguard/app/__init__.py
+++ b/pulp_certguard/app/__init__.py
@@ -6,6 +6,6 @@ class PulpCertGuardPluginAppConfig(PulpPluginAppConfig):
 
     name = "pulp_certguard.app"
     label = "certguard"
-    version = "3.50.0.dev"
+    version = "3.51.0.dev"
     python_package_name = "pulpcore"
     domain_compatible = True
diff --git a/pulp_file/app/__init__.py b/pulp_file/app/__init__.py
index 49b2164894..2ed387bdb9 100644
--- a/pulp_file/app/__init__.py
+++ b/pulp_file/app/__init__.py
@@ -8,6 +8,6 @@ class PulpFilePluginAppConfig(PulpPluginAppConfig):
 
     name = "pulp_file.app"
     label = "file"
-    version = "3.50.0.dev"
+    version = "3.51.0.dev"
     python_package_name = "pulpcore"
     domain_compatible = True
diff --git a/pulpcore/app/apps.py b/pulpcore/app/apps.py
index 2e531bc730..cc52ab25ce 100644
--- a/pulpcore/app/apps.py
+++ b/pulpcore/app/apps.py
@@ -239,7 +239,7 @@ class PulpAppConfig(PulpPluginAppConfig):
     label = "core"
 
     # The version of this app
-    version = "3.50.0.dev"
+    version = "3.51.0.dev"
 
     # The python package name providing this app
     python_package_name = "pulpcore"
diff --git a/setup.py b/setup.py
index fd73e876bb..e29714e910 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 
 setup(
     name="pulpcore",
-    version="3.50.0.dev",
+    version="3.51.0.dev",
     description="Pulp Django Application and Related Modules",
     long_description=long_description,
     long_description_content_type="text/markdown",
diff --git a/template_config.yml b/template_config.yml
index 628cf45f32..b14e78fed4 100644
--- a/template_config.yml
+++ b/template_config.yml
@@ -1,7 +1,7 @@
 # This config represents the latest values used when running the plugin-template. Any settings that
 # were not present before running plugin-template have been added with their default values.
 
-# generated with plugin_template@2021.08.26-319-ga283c28
+# generated with plugin_template@2021.08.26-323-g761b826
 
 api_root: /pulp/
 black: true
@@ -31,7 +31,7 @@ flake8_ignore:
 github_org: pulp
 issue_tracker: github
 kanban: true
-latest_release_branch: '3.49'
+latest_release_branch: '3.50'
 lint_requirements: true
 noissue_marker: '[noissue]'
 parallel_test_workers: 8