diff --git a/CHANGELOG.md b/CHANGELOG.md
index fa173c7..df4dbf7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [0.2.1] 2021-07-23
+
+### Added
+
+Added RO-Crate metadata file. No functional changes.
+
 ## [0.2] - 2021-04-30
 ### Changed
 - Lower the default for consensus variant allele frequency threshold to 0.7
@@ -24,7 +30,6 @@
   variants of its samples as stated in the README, independent of it residing
   in low-coverage regions or not.
 
-
 ## [0.1]
 
 - Initial version of COVID-19: consensus construction
diff --git a/consensus-from-variation.ga b/consensus-from-variation.ga
index 453db88..81f2ff6 100644
--- a/consensus-from-variation.ga
+++ b/consensus-from-variation.ga
@@ -11,7 +11,7 @@
     "format-version": "0.1",
     "license": "MIT",
     "name": "COVID-19: consensus construction",
-    "release": "0.2",
+    "release": "0.2.1",
     "steps": {
         "0": {
             "annotation": "Collection of VCFs produced by upstream workflows for variation analysis",
diff --git a/ro-crate-metadata.json b/ro-crate-metadata.json
new file mode 100644
index 0000000..e4f31f7
--- /dev/null
+++ b/ro-crate-metadata.json
@@ -0,0 +1,151 @@
+{
+    "@context": [
+        "https://w3id.org/ro/crate/1.1/context",
+        {
+            "GithubService": "https://w3id.org/ro/terms/test#GithubService",
+            "JenkinsService": "https://w3id.org/ro/terms/test#JenkinsService",
+            "PlanemoEngine": "https://w3id.org/ro/terms/test#PlanemoEngine",
+            "TestDefinition": "https://w3id.org/ro/terms/test#TestDefinition",
+            "TestInstance": "https://w3id.org/ro/terms/test#TestInstance",
+            "TestService": "https://w3id.org/ro/terms/test#TestService",
+            "TestSuite": "https://w3id.org/ro/terms/test#TestSuite",
+            "TravisService": "https://w3id.org/ro/terms/test#TravisService",
+            "definition": "https://w3id.org/ro/terms/test#definition",
+            "engineVersion": "https://w3id.org/ro/terms/test#engineVersion",
+            "instance": "https://w3id.org/ro/terms/test#instance",
+            "resource": "https://w3id.org/ro/terms/test#resource",
+            "runsOn": "https://w3id.org/ro/terms/test#runsOn"
+        }
+    ],
+    "@graph": [
+        {
+            "@id": "./",
+            "@type": "Dataset",
+            "datePublished": "2021-07-26T10:22:23.305126",
+            "hasPart": [
+                {
+                    "@id": "consensus-from-variation.ga"
+                },
+                {
+                    "@id": "README.md"
+                },
+                {
+                    "@id": "consensus-from-variation-test.yml"
+                }
+            ],
+            "isBasedOn": "https://github.com/iwc-workflows/sars-cov-2-consensus-from-variation",
+            "license": "MIT",
+            "mainEntity": {
+                "@id": "consensus-from-variation.ga"
+            },
+            "mentions": [
+                {
+                    "@id": "#test1"
+                }
+            ]
+        },
+        {
+            "@id": "ro-crate-metadata.json",
+            "@type": "CreativeWork",
+            "about": {
+                "@id": "./"
+            },
+            "conformsTo": {
+                "@id": "https://w3id.org/ro/crate/1.1"
+            }
+        },
+        {
+            "@id": "consensus-from-variation.ga",
+            "@type": [
+                "File",
+                "SoftwareSourceCode",
+                "ComputationalWorkflow"
+            ],
+            "creator": [
+                {
+                    "@id": "https://orcid.org/0000-0002-9464-6640"
+                }
+            ],
+            "name": "COVID-19: consensus construction",
+            "programmingLanguage": {
+                "@id": "#galaxy"
+            },
+            "url": "https://github.com/iwc-workflows/sars-cov-2-consensus-from-variation",
+            "version": "0.2.1"
+        },
+        {
+            "@id": "#galaxy",
+            "@type": "ComputerLanguage",
+            "identifier": {
+                "@id": "https://galaxyproject.org/"
+            },
+            "name": "Galaxy",
+            "url": {
+                "@id": "https://galaxyproject.org/"
+            },
+            "version": "v19_09"
+        },
+        {
+            "@id": "https://orcid.org/0000-0002-9464-6640",
+            "@type": "Person",
+            "name": "Wolfgang Maier"
+        },
+        {
+            "@id": "README.md",
+            "@type": "File"
+        },
+        {
+            "@id": "#test1",
+            "@type": "TestSuite",
+            "definition": {
+                "@id": "consensus-from-variation-test.yml"
+            },
+            "instance": [
+                {
+                    "@id": "#test1_1"
+                }
+            ],
+            "mainEntity": {
+                "@id": "consensus-from-variation.ga"
+            },
+            "name": "test1"
+        },
+        {
+            "@id": "#test1_1",
+            "@type": "TestInstance",
+            "name": "test1_1",
+            "resource": "repos/galaxyproject/iwc/actions/workflows/workflow_test.yml",
+            "runsOn": {
+                "@id": "https://w3id.org/ro/terms/test#GithubService"
+            },
+            "url": "https://api.github.com"
+        },
+        {
+            "@id": "https://w3id.org/ro/terms/test#GithubService",
+            "@type": "TestService",
+            "name": "Github Actions",
+            "url": {
+                "@id": "https://github.com"
+            }
+        },
+        {
+            "@id": "consensus-from-variation-test.yml",
+            "@type": [
+                "File",
+                "TestDefinition"
+            ],
+            "conformsTo": {
+                "@id": "https://w3id.org/ro/terms/test#PlanemoEngine"
+            },
+            "engineVersion": ">=0.74.6"
+        },
+        {
+            "@id": "https://w3id.org/ro/terms/test#PlanemoEngine",
+            "@type": "SoftwareApplication",
+            "name": "Planemo",
+            "url": {
+                "@id": "https://github.com/galaxyproject/planemo"
+            }
+        }
+    ]
+}
\ No newline at end of file