diff --git a/runtime/syntax/autopkgtest.vim b/runtime/syntax/autopkgtest.vim
new file mode 100644
index 0000000..5dc1b5f
--- /dev/null
+++ b/runtime/syntax/autopkgtest.vim
@@ -0,0 +1,95 @@
+" Vim syntax file
+" Language:    Debian autopkgtest control files
+" Maintainer:  Debian Vim Maintainers
+" Last Change: 2025 Jul 05
+" URL: https://salsa.debian.org/vim-team/vim-debian/blob/main/syntax/autopkgtest.vim
+"
+" Specification of the autopkgtest format is available at:
+"   https://www.debian.org/doc/debian-policy/autopkgtest.txt
+
+" Standard syntax initialization
+if exists('b:current_syntax')
+  finish
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+" Must call this first, because it will clear other settings
+syn sync clear
+syn sync match autopkgtestSync grouphere NONE '^$'
+
+" Should match case except for the keys of each field
+syn case match
+
+syn iskeyword @,48-57,-
+
+" #-Comments
+syn match autopkgtestComment "#.*" contains=@Spell
+
+syn match autopkgtestTests contained "[a-z0-9][a-z0-9+.-]\+\%(,\=\s*[a-z0-9][a-z0-9+.-]\+\)*,\="
+syn match autopkgtestArbitrary contained "[^#]*"
+syn keyword autopkgtestRestrictions contained
+      \ allow-stderr
+      \ breaks-testbe
+      \ build-neede
+      \ flaky
+      \ hint-testsuite-trigger
+      \ isolation-container
+      \ isolation-machine
+      \ needs-internet
+      \ needs-reboot
+      \ needs-root
+      \ needs-sudo
+      \ rw-build-tree
+      \ skip-foreign-architecture
+      \ skip-not-installable
+      \ skippable
+      \ superficial
+syn keyword autopkgtestDeprecatedRestrictions contained needs-recommends
+syn match autopkgtestFeatures contained 'test-name=[^, ]*\%([, ]*[^, #]\)*,\='
+syn match autopkgtestDepends contained '\%(@builddeps@\|@recommends@\|@\)'
+
+runtime! syntax/shared/debarchitectures.vim
+
+syn keyword autopkgtestArchitecture contained any
+exe 'syn keyword autopkgtestArchitecture contained '. join(g:debArchitectureKernelAnyArch)
+exe 'syn keyword autopkgtestArchitecture contained '. join(g:debArchitectureAnyKernelArch)
+exe 'syn keyword autopkgtestArchitecture contained '. join(g:debArchitectureArchs)
+
+syn case ignore
+
+" Catch-all for the legal fields
+syn region autopkgtestMultiField matchgroup=autopkgtestKey start="^Tests: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=autopkgtestTests,autopkgtestComment
+syn region autopkgtestMultiField matchgroup=autopkgtestKey start="^Restrictions: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=autopkgtestRestrictions,autopkgtestDeprecatedRestrictions,autopkgtestComment
+syn region autopkgtestMultiField matchgroup=autopkgtestKey start="^Features: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=autopkgtestFeatures,autopkgtestComment
+syn region autopkgtestMultiField matchgroup=autopkgtestKey start="^Depends: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=autopkgtestDepends,autopkgtestComment
+syn region autopkgtestMultiField matchgroup=autopkgtestKey start="^Classes: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=autopkgtestComment
+syn region autopkgtestMultiField matchgroup=autopkgtestKey start="^Architecture: *" skip="^[ \t]" end="^$"me=s-1 end="^[^ \t#]"me=s-1 contains=autopkgtestArchitecture,autopkgtestComment
+
+" Fields for which we do strict syntax checking
+syn region autopkgtestStrictField matchgroup=autopkgtestKey start="^Test-Command: *" end="$" end='#'me=s-1 contains=autopkgtestArbitrary,autopkgtestComment oneline
+syn region autopkgtestStrictField matchgroup=autopkgtestKey start="^Tests-Directory: *" end="$" end='#'me=s-1 contains=autopkgtestArbitrary,autopkgtestComment oneline
+
+syn match autopkgtestError '^\%(\%(Architecture\|Classes\|Depends\|Features\|Restrictions\|Test-Command\|Tests-Directory\|Tests\)\@![^ #]*:\)'
+
+" Associate our matches and regions with pretty colours
+hi def link autopkgtestKey           Keyword
+hi def link autopkgtestRestrictions  Identifier
+hi def link autopkgtestFeatures      Keyword
+hi def link autopkgtestDepends       Identifier
+hi def link autopkgtestArchitecture  Identifier
+hi def link autopkgtestStrictField   Error
+hi def link autopkgtestDeprecatedRestrictions Error
+hi def link autopkgtestMultiField    Normal
+hi def link autopkgtestArbitrary     Normal
+hi def link autopkgtestTests         Normal
+hi def link autopkgtestComment       Comment
+hi def link autopkgtestError         Error
+
+let b:current_syntax = 'autopkgtest'
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: ts=8 sw=2