diff --git a/src/rules/__snapshots__/index.test.ts.snap b/src/rules/__snapshots__/index.test.ts.snap
index 47921218..2ae5389e 100644
--- a/src/rules/__snapshots__/index.test.ts.snap
+++ b/src/rules/__snapshots__/index.test.ts.snap
@@ -26,6 +26,7 @@ exports[`all > should match everything 1`] = `
   "aws.amplify_hosting",
   "aws.cloudfront",
   "aws.codebuild",
+  "aws.documentdb",
   "aws.dynamodb",
   "aws.ebs",
   "aws.ec2",
diff --git a/src/rules/db/aws.documentdb.ts b/src/rules/db/aws.documentdb.ts
new file mode 100644
index 00000000..53f1ba77
--- /dev/null
+++ b/src/rules/db/aws.documentdb.ts
@@ -0,0 +1,18 @@
+import { register } from '../../register.js';
+
+register({
+  tech: 'aws.documentdb',
+  name: 'AWS Document DB',
+  type: 'db',
+  dependencies: [
+    { type: 'npm', name: '@aws-sdk/client-docdb' },
+    { type: 'rust', name: 'aws-sdk-docdb' },
+    { type: 'ruby', name: 'aws-sdk-docdb' },
+    { type: 'golang', name: 'github.com/aws/aws-sdk-go-v2/service/docdb' },
+    {
+      type: 'terraform.resource',
+      name: /^aws_docdb_/,
+      example: 'aws_docdb_cluster',
+    },
+  ],
+});
diff --git a/src/rules/db/index.ts b/src/rules/db/index.ts
index f3044182..d6aa3065 100644
--- a/src/rules/db/index.ts
+++ b/src/rules/db/index.ts
@@ -2,6 +2,7 @@ import './apache_cassandra.js';
 import './apache_couchdb.js';
 import './apache_iceberg.js';
 import './apache_spark.js';
+import './aws.documentdb.js';
 import './aws.dynamodb.js';
 import './aws.elasticache.js';
 import './aws.neptune.js';
diff --git a/src/rules/spec/golang/__snapshots__/lockfile.test.ts.snap b/src/rules/spec/golang/__snapshots__/lockfile.test.ts.snap
index 1ee4a253..3fc902c9 100644
--- a/src/rules/spec/golang/__snapshots__/lockfile.test.ts.snap
+++ b/src/rules/spec/golang/__snapshots__/lockfile.test.ts.snap
@@ -4,6 +4,7 @@ exports[`golang (lockfile) > should match everything 1`] = `
 [
   "aws",
   "aws.cloudfront",
+  "aws.documentdb",
   "aws.dynamodb",
   "aws.ebs",
   "aws.ec2",
@@ -220,6 +221,11 @@ exports[`golang (lockfile) > should match everything 2`] = `
     "github.com/aws/aws-sdk-go-v2/service/codebuild",
     "v1.0.0",
   ],
+  [
+    "golang",
+    "github.com/aws/aws-sdk-go-v2/service/docdb",
+    "v1.0.0",
+  ],
   [
     "golang",
     "github.com/aws/aws-sdk-go-v2/service/dynamodb",
diff --git a/src/rules/spec/nodejs/__snapshots__/component.test.ts.snap b/src/rules/spec/nodejs/__snapshots__/component.test.ts.snap
index d2c1c1ca..130007ec 100644
--- a/src/rules/spec/nodejs/__snapshots__/component.test.ts.snap
+++ b/src/rules/spec/nodejs/__snapshots__/component.test.ts.snap
@@ -12,6 +12,7 @@ exports[`npm > should match everything 1`] = `
   "aws.amplify_hosting",
   "aws.cloudfront",
   "aws.codebuild",
+  "aws.documentdb",
   "aws.dynamodb",
   "aws.ebs",
   "aws.ec2",
@@ -235,6 +236,11 @@ exports[`npm > should match everything 2`] = `
     "@aws-sdk/client-codebuild",
     "0.0.0",
   ],
+  [
+    "npm",
+    "@aws-sdk/client-docdb",
+    "0.0.0",
+  ],
   [
     "npm",
     "@aws-sdk/client-dynamodb-streams",
diff --git a/src/rules/spec/ruby/__snapshots__/lockfile.test.ts.snap b/src/rules/spec/ruby/__snapshots__/lockfile.test.ts.snap
index e823354e..d1c2ddcb 100644
--- a/src/rules/spec/ruby/__snapshots__/lockfile.test.ts.snap
+++ b/src/rules/spec/ruby/__snapshots__/lockfile.test.ts.snap
@@ -6,6 +6,7 @@ exports[`ruby (component) > should match everything 1`] = `
   "auth0",
   "aws",
   "aws.cloudfront",
+  "aws.documentdb",
   "aws.dynamodb",
   "aws.ebs",
   "aws.ec2",
@@ -136,6 +137,11 @@ exports[`ruby (component) > should match everything 2`] = `
     "aws-sdk-codebuild",
     "1.0.0",
   ],
+  [
+    "ruby",
+    "aws-sdk-docdb",
+    "1.0.0",
+  ],
   [
     "ruby",
     "aws-sdk-dynamodbstreams",
diff --git a/src/rules/spec/rust/__snapshots__/component.test.ts.snap b/src/rules/spec/rust/__snapshots__/component.test.ts.snap
index 99ceadf3..286421d8 100644
--- a/src/rules/spec/rust/__snapshots__/component.test.ts.snap
+++ b/src/rules/spec/rust/__snapshots__/component.test.ts.snap
@@ -8,6 +8,7 @@ exports[`rust (component) > should match everything 1`] = `
   "aws",
   "aws.cloudfront",
   "aws.codebuild",
+  "aws.documentdb",
   "aws.dynamodb",
   "aws.ebs",
   "aws.ec2",
@@ -81,6 +82,11 @@ exports[`rust (component) > should match everything 2`] = `
     "aws-sdk-codebuild",
     "1.0.0",
   ],
+  [
+    "rust",
+    "aws-sdk-docdb",
+    "1.0.0",
+  ],
   [
     "rust",
     "aws-sdk-dynamodb",
diff --git a/src/rules/spec/terraform/__snapshots__/resource.test.ts.snap b/src/rules/spec/terraform/__snapshots__/resource.test.ts.snap
index 2bcf88cd..b377ab94 100644
--- a/src/rules/spec/terraform/__snapshots__/resource.test.ts.snap
+++ b/src/rules/spec/terraform/__snapshots__/resource.test.ts.snap
@@ -6,6 +6,7 @@ exports[`terraform (resource) > should match everything 1`] = `
   "aws.amplify_hosting",
   "aws.cloudfront",
   "aws.codebuild",
+  "aws.documentdb",
   "aws.dynamodb",
   "aws.ebs",
   "aws.ec2",
diff --git a/src/types/techs.ts b/src/types/techs.ts
index 63d33136..7ca0323c 100644
--- a/src/types/techs.ts
+++ b/src/types/techs.ts
@@ -37,6 +37,7 @@ export type AllowedKeys =
   | 'aws.amplify_hosting'
   | 'aws.cloudfront'
   | 'aws.codebuild'
+  | 'aws.documentdb'
   | 'aws.dynamodb'
   | 'aws.ebs'
   | 'aws.ec2'