diff --git a/lib/worker.sh b/lib/worker.sh
index 7fb995a5..5437f479 100755
--- a/lib/worker.sh
+++ b/lib/worker.sh
@@ -702,6 +702,7 @@ function RunTestCases() {
   TestCodebase "RAKU" "raku" "raku -c" ".*\.\(raku\|rakumod\|rakutest\|pm6\|pl6\|p6\)\$" "raku"
   TestCodebase "RUBY" "rubocop" "rubocop -c ${RUBY_LINTER_RULES}" ".*\.\(rb\)\$" "ruby"
   TestCodebase "SHELL_SHFMT" "shfmt" "shfmt -d" ".*\.\(sh\|bash\|dash\|ksh\)\$" "shell_shfmt"
+  TestCodebase "SNAKEMAKE" "snakefmt" "snakefmt --diff" ".*\.\(smk\)\$" "snakemake"
   TestCodebase "STATES" "asl-validator" "asl-validator --json-path" ".*\.\(json\)\$" "states"
   TestCodebase "SQL" "sql-lint" "sql-lint --config ${SQL_LINTER_RULES}" ".*\.\(sql\)\$" "sql"
   TestCodebase "TERRAFORM" "tflint" "tflint -c ${TERRAFORM_LINTER_RULES}" ".*\.\(tf\)\$" "terraform"