diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index da30f6c27..fb7d9d0b5 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -26,12 +26,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Check cabal file for missing test files
-        run: |
-          cabal sdist --list-only | sed 's/\.\///' | grep '^test\/' | \
-            sort > sdist-test-files.txt
-          git ls-tree -r --name-only HEAD | grep '^test\/' | \
-            sort > git-test-files.txt
-          diff -u git-test-files.txt sdist-test-files.txt
+        run: make check-cabal
 
       - name: Download and run hlint
         run: |
diff --git a/Makefile b/Makefile
index 07fc6c772..f27272b08 100644
--- a/Makefile
+++ b/Makefile
@@ -114,14 +114,14 @@ update-website:
 clean:
 	stack clean
 
-check-cabal: git-test-files.txt sdist-test-files.txt
-	echo "Checking to see if all committed test files are in sdist..."
+check-cabal: git-files.txt sdist-files.txt
+	echo "Checking to see if all committed test/data files are in sdist."
 	diff -u $^
 
-sdist-test-files.txt: .FORCE
-	cabal sdist --list-only | sed 's/\.\///' | grep '^test\/' | sort > $@
+sdist-files.txt: .FORCE
+	cabal sdist --list-only | sed 's/\.\///' | grep '^\(test\|data\)\/' | sort > $@
 
-git-test-files.txt: .FORCE
-	git ls-tree -r --name-only HEAD | grep '^test\/' | sort > $@
+git-files.txt: .FORCE
+	git ls-tree -r --name-only HEAD | grep '^\(test\|data\)\/' | sort > $@
 
 .PHONY: .FORCE deps quick full haddock install clean test bench changes_github dist prof download_stats reformat lint weigh doc/lua-filters.md pandoc-templates trypandoc update-website debpkg checkdocs ghcid ghci fix_spacing hlint check check-cabal