diff --git a/plugins/github-release-manager/src/GitHubReleaseManager.tsx b/plugins/github-release-manager/src/GitHubReleaseManager.tsx
index 3f7887ad53..3876d2b3fc 100644
--- a/plugins/github-release-manager/src/GitHubReleaseManager.tsx
+++ b/plugins/github-release-manager/src/GitHubReleaseManager.tsx
@@ -14,12 +14,12 @@
  * limitations under the License.
  */
 
+import React, { useState } from 'react';
+import { useAsync } from 'react-use';
+import { useForm } from 'react-hook-form';
 import { Alert } from '@material-ui/lab';
 import { makeStyles } from '@material-ui/core';
-import { useAsync } from 'react-use';
-import React, { useEffect, useState } from 'react';
 import { useApi, ContentHeader, ErrorBoundary } from '@backstage/core';
-import { useForm } from 'react-hook-form';
 
 import { CreateRc } from './cards/createRc/CreateRc';
 import { getGitHubBatchInfo } from './sideEffects/getGitHubBatchInfo';
@@ -41,6 +41,7 @@ import { isProjectValid } from './cards/projectForm/isProjectValid';
 import { InfoCardPlus } from './components/InfoCardPlus';
 import { RepoDetailsForm } from './cards/projectForm/RepoDetailsForm';
 import { CenteredCircularProgress } from './components/CenteredCircularProgress';
+import { useVersioningStrategyMatchesRepoTags } from './helpers/useVersioningStrategyMatchesRepoTags';
 
 interface GitHubReleaseManagerProps {
   components?: {
@@ -117,6 +118,12 @@ function Cards({
     [project, refetch],
   );
 
+  const { versioningStrategyMatches } = useVersioningStrategyMatchesRepoTags({
+    latestReleaseTagName: gitHubBatchInfo.value?.latestRelease?.tag_name,
+    project,
+    repositoryName: gitHubBatchInfo.value?.repository.name,
+  });
+
   if (gitHubBatchInfo.error) {
     return <Alert severity="error">{gitHubBatchInfo.error.message}</Alert>;
   }
@@ -140,6 +147,15 @@ function Cards({
     );
   }
 
+  if (!versioningStrategyMatches) {
+    return (
+      <Alert severity="error">
+        Versioning mismatch, expected {project.versioningStrategy} version, got{' '}
+        {gitHubBatchInfo.value?.latestRelease?.tag_name}
+      </Alert>
+    );
+  }
+
   return (
     <ProjectContext.Provider value={project}>
       <ErrorBoundary>
diff --git a/plugins/github-release-manager/src/api/PluginApiClient.ts b/plugins/github-release-manager/src/api/PluginApiClient.ts
index c0a6476b2b..24310ef688 100644
--- a/plugins/github-release-manager/src/api/PluginApiClient.ts
+++ b/plugins/github-release-manager/src/api/PluginApiClient.ts
@@ -304,7 +304,7 @@ export class PluginApiClient implements IPluginApiClient {
     const { octokit } = await this.getOctokit();
 
     const { data: repository } = await octokit.repos.get({
-      owner: owner,
+      owner,
       repo,
     });
 
@@ -312,6 +312,7 @@ export class PluginApiClient implements IPluginApiClient {
       repository: {
         pushPermissions: repository.permissions?.push,
         defaultBranch: repository.default_branch,
+        name: repository.name,
       },
     };
   }
diff --git a/plugins/github-release-manager/src/cards/patchRc/sideEffects/patch.ts b/plugins/github-release-manager/src/cards/patchRc/sideEffects/patch.ts
index de24b5b142..7bb0d5e6f0 100644
--- a/plugins/github-release-manager/src/cards/patchRc/sideEffects/patch.ts
+++ b/plugins/github-release-manager/src/cards/patchRc/sideEffects/patch.ts
@@ -23,8 +23,8 @@ import {
 import { CalverTagParts } from '../../../helpers/tagParts/getCalverTagParts';
 import { GitHubReleaseManagerError } from '../../../errors/GitHubReleaseManagerError';
 import { PluginApiClient } from '../../../api/PluginApiClient';
-import { SemverTagParts } from '../../../helpers/tagParts/getSemverTagParts';
 import { Project } from '../../../contexts/ProjectContext';
+import { SemverTagParts } from '../../../helpers/tagParts/getSemverTagParts';
 
 interface Patch {
   bumpedTag: string;
@@ -181,15 +181,15 @@ export async function patch({
   /**
    * 9. Update release
    */
-  const {
-    release: updatedRelease,
-  } = await pluginApiClient.patch.updateRelease({
-    ...project,
-    bumpedTag,
-    latestRelease,
-    selectedPatchCommit,
-    tagParts,
-  });
+  const { release: updatedRelease } = await pluginApiClient.patch.updateRelease(
+    {
+      ...project,
+      bumpedTag,
+      latestRelease,
+      selectedPatchCommit,
+      tagParts,
+    },
+  );
   responseSteps.push({
     message: `Updated release "${updatedRelease.name}"`,
     secondaryMessage: `with tag ${updatedRelease.tag_name}`,
diff --git a/plugins/github-release-manager/src/helpers/tagParts/getTagParts.ts b/plugins/github-release-manager/src/helpers/tagParts/getTagParts.ts
index ff42779d99..a3f8665554 100644
--- a/plugins/github-release-manager/src/helpers/tagParts/getTagParts.ts
+++ b/plugins/github-release-manager/src/helpers/tagParts/getTagParts.ts
@@ -16,7 +16,7 @@
 
 import { getCalverTagParts } from './getCalverTagParts';
 import { getSemverTagParts } from './getSemverTagParts';
-import { Project } from '../../types/types';
+import { Project } from '../../contexts/ProjectContext';
 
 export function getTagParts({
   project,
diff --git a/plugins/github-release-manager/src/helpers/useVersioningStrategyMatchesRepoTags.ts b/plugins/github-release-manager/src/helpers/useVersioningStrategyMatchesRepoTags.ts
new file mode 100644
index 0000000000..91f4501585
--- /dev/null
+++ b/plugins/github-release-manager/src/helpers/useVersioningStrategyMatchesRepoTags.ts
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2021 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { useEffect, useState } from 'react';
+
+import { Project } from '../contexts/ProjectContext';
+import { getTagParts } from './tagParts/getTagParts';
+
+export const useVersioningStrategyMatchesRepoTags = ({
+  latestReleaseTagName,
+  project,
+  repositoryName,
+}: {
+  latestReleaseTagName?: string;
+  project: Project;
+  repositoryName?: string;
+}) => {
+  const [versioningStrategyMatches, setVersioningStrategyMatches] = useState(
+    false,
+  );
+  useEffect(() => {
+    setVersioningStrategyMatches(false);
+
+    if (latestReleaseTagName) {
+      try {
+        if (project.repo === repositoryName) {
+          getTagParts({ project, tag: latestReleaseTagName });
+          setVersioningStrategyMatches(true);
+        }
+      } catch (error) {
+        setVersioningStrategyMatches(false);
+      }
+    }
+  }, [latestReleaseTagName, project, repositoryName]);
+
+  return {
+    versioningStrategyMatches,
+  };
+};
diff --git a/plugins/github-release-manager/src/types/types.ts b/plugins/github-release-manager/src/types/types.ts
index be0fa6169b..04f53fd80a 100644
--- a/plugins/github-release-manager/src/types/types.ts
+++ b/plugins/github-release-manager/src/types/types.ts
@@ -14,32 +14,6 @@
  * limitations under the License.
  */
 
-// export interface Project {
-//   /**
-//    * Repository's owner (user or organisation)
-//    *
-//    * @example erikengervall
-//    */
-//   owner: string;
-
-//   /**
-//    * Repository's name
-//    *
-//    * @example dockest
-//    */
-//   repo: string;
-
-//   /**
-//    * Declares the versioning strategy of the project
-//    *
-//    * semver: `1.2.3` (major.minor.patch)
-//    * calver: `2020.01.01_0` (YYYY.0M.0D_patch)
-//    *
-//    * Default: false
-//    */
-//   versioningStrategy: 'calver' | 'semver';
-// }
-
 interface ComponentConfig<Args = void> {
   successCb?: (args: Args) => Promise<void> | void;
   omit?: boolean;