diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
index 14158bc3a0..ac96ca7dd7 100644
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@@ -3,8 +3,8 @@
 Overview of your issue here.
 
 ### Your environment
-* ROS Distro: [Dashing|Eloquent|Foxy|Galactic|Rolling]
-* OS Version: e.g. Ubuntu 20.04
+* ROS Distro: [Foxy|Galactic|Humble|Rolling]
+* OS Version: e.g. Ubuntu 22.04
 * Source or Binary build?
 * If binary, which release version?
 * If source, which git commit or tag?
diff --git a/.github/mergify.yml b/.github/mergify.yml
index 09611b512e..6ffc01d07c 100644
--- a/.github/mergify.yml
+++ b/.github/mergify.yml
@@ -1,4 +1,13 @@
 pull_request_rules:
+  - name: backport to humble at reviewers discretion
+    conditions:
+      - base=main
+      - "label=backport-humble"
+    actions:
+      backport:
+        branches:
+          - humble
+
   - name: backport to galactic at reviewers discretion
     conditions:
       - base=main
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index eb56d72932..3a849ce1d6 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -6,6 +6,7 @@ on:
   push:
     branches:
       - main
+      - humble
       - galactic
       - foxy
 
diff --git a/conf.py b/conf.py
index 02d4163f3d..fa43ed8f54 100644
--- a/conf.py
+++ b/conf.py
@@ -129,16 +129,17 @@
 
 # smv_tag_whitelist = None
 
-smv_branch_whitelist = r"^(main|galactic|foxy)$"
+smv_branch_whitelist = r"^(main|humble|galactic|foxy)$"
 
-smv_released_pattern = r"^refs/(heads|remotes/[^/]+)/(foxy|galactic).*$"
+smv_released_pattern = r"^refs/(heads|remotes/[^/]+)/(foxy|galactic|humble).*$"
 smv_remote_whitelist = r"^(origin)$"
-smv_latest_version = "galactic"
+smv_latest_version = "humble"
 smv_eol_versions = []
 
 distro_full_names = {
     "foxy": "Foxy Fitzroy",
     "galactic": "Galactic Geochelone",
+    "humble": "Humble Hawksbill",
     "rolling": "Rolling Ridley",
 }
 
@@ -404,6 +405,7 @@ def smv_rewrite_configs(app, config):
     if app.config.smv_current_version != "":
         branch_distro = {
             "main": "rolling",
+            "humble": "humble",
             "galactic": "galactic",
             "foxy": "foxy",
         }