diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 06f39ab..3e5bd0b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ concurrency:
 jobs:
   unit-tests-master:
     name: unit-tests
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     env:
       DOKKU_VERSION: master
 
@@ -59,7 +59,7 @@ jobs:
 
   unit-tests-0_19_0:
     name: unit-tests-0.19.0
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     env:
       DOKKU_TAG: v0.19.0
 
diff --git a/.github/workflows/tagged-release.yml b/.github/workflows/tagged-release.yml
index 846c457..0d7a4fb 100644
--- a/.github/workflows/tagged-release.yml
+++ b/.github/workflows/tagged-release.yml
@@ -10,7 +10,7 @@ on:
 jobs:
   tagged-release:
     name: tagged-release
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
       - uses: "marvinpinto/action-automatic-releases@v1.2.1"
diff --git a/Makefile b/Makefile
index 863c1ba..a4ece21 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,7 @@ ifneq ($(shell shellcheck --version >/dev/null 2>&1 ; echo $$?),0)
 ifeq ($(SYSTEM_NAME),darwin)
 	brew install shellcheck
 else
-	sudo add-apt-repository 'deb http://archive.ubuntu.com/ubuntu trusty-backports main restricted universe multiverse'
+	sudo add-apt-repository 'deb http://archive.ubuntu.com/ubuntu jammy-backports main restricted universe multiverse'
 	sudo rm -rf /var/lib/apt/lists/* && sudo apt-get clean
 	sudo apt-get update -qq && sudo apt-get install -qq -y shellcheck
 endif
diff --git a/Vagrantfile b/Vagrantfile
index 4aec135..093340f 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -1,7 +1,7 @@
 # -*- mode: ruby -*-
 # vi: set ft=ruby :
 
-BOX_NAME = ENV["BOX_NAME"] || "bento/ubuntu-20.04"
+BOX_NAME = ENV["BOX_NAME"] || "bento/ubuntu-22.04"
 BOX_MEMORY = ENV["BOX_MEMORY"] || "2048"
 DOKKU_VERSION = "master"