diff --git a/src/common/techs.ts b/src/common/techs.ts
index 6227941e..faf0728f 100644
--- a/src/common/techs.ts
+++ b/src/common/techs.ts
@@ -15,6 +15,7 @@ export const list: TechItem[] = [
   { key: 'caddy', name: 'Caddy', type: 'app' },
   { key: 'cassandra', name: 'Cassandra', type: 'db' },
   { key: 'circleci', name: 'CircleCi', type: 'ci' },
+  { key: 'cirrusci', name: 'CirrusCi', type: 'ci' },
   { key: 'codesandboxci', name: 'CodesandboxCI', type: 'ci' },
   { key: 'couchbase', name: 'Couchbase', type: 'db' },
   { key: 'cplusplus', name: 'C++', type: 'language' },
diff --git a/src/rules/ci.test.ts b/src/rules/ci.test.ts
index 921d5ba5..29c8d16e 100644
--- a/src/rules/ci.test.ts
+++ b/src/rules/ci.test.ts
@@ -33,6 +33,7 @@ describe('ci', () => {
       'appveyor',
       'browserstack',
       'circleci',
+      'cirrusci',
       'codesandboxci',
       'cypressci',
       'dependabot',
diff --git a/src/rules/ci/cirrusci.ts b/src/rules/ci/cirrusci.ts
new file mode 100644
index 00000000..7b5654db
--- /dev/null
+++ b/src/rules/ci/cirrusci.ts
@@ -0,0 +1,6 @@
+import { register } from '../../rules.js';
+
+register({
+  tech: 'cirrusci',
+  files: ['.cirrus.yml'],
+});
diff --git a/src/rules/ci/index.ts b/src/rules/ci/index.ts
index edfb2533..a4f5132e 100644
--- a/src/rules/ci/index.ts
+++ b/src/rules/ci/index.ts
@@ -1,6 +1,7 @@
 import './appveyor.js';
 import './browserstack.js';
 import './circleci.js';
+import './cirrusci.js';
 import './codesandboxci.js';
 import './cypressci.js';
 import './dependabot.js';
diff --git a/src/types/techs.ts b/src/types/techs.ts
index c0edc45d..5c3c15a0 100644
--- a/src/types/techs.ts
+++ b/src/types/techs.ts
@@ -24,6 +24,7 @@ export type AllowedKeys =
   | 'caddy'
   | 'cassandra'
   | 'circleci'
+  | 'cirrusci'
   | 'codesandboxci'
   | 'couchbase'
   | 'cplusplus'