diff --git a/lib/modules/manager/terragrunt/extract.spec.ts b/lib/modules/manager/terragrunt/extract.spec.ts
index bf997f14654a50..90eaca7caf16e5 100644
--- a/lib/modules/manager/terragrunt/extract.spec.ts
+++ b/lib/modules/manager/terragrunt/extract.spec.ts
@@ -66,7 +66,13 @@ describe('modules/manager/terragrunt/extract', () => {
             depType: 'github',
             packageName: 'hashicorp/example',
           },
-          {},
+          {
+            currentValue: 'next',
+            datasource: 'git-tags',
+            depName: '104.196.242.174/example',
+            depType: 'gitTags',
+            packageName: 'https://104.196.242.174/example',
+          },
           {},
           {
             datasource: 'terraform-module',
@@ -205,21 +211,24 @@ describe('modules/manager/terragrunt/extract', () => {
             datasource: 'bitbucket-tags',
             depName: 'bitbucket.com/hashicorp/example',
             depType: 'gitTags',
-            packageName: 'https://bitbucket.com/hashicorp/example',
+            packageName: 'hashicorp/example',
+            registryUrls: ['https://bitbucket.com'],
           },
           {
             currentValue: 'v1.0.0',
             datasource: 'gitlab-tags',
             depName: 'gitlab.com/hashicorp/example',
             depType: 'gitTags',
-            packageName: 'https://gitlab.com/hashicorp/example',
+            packageName: 'hashicorp/example',
+            registryUrls: ['https://gitlab.com'],
           },
           {
             currentValue: 'v1.0.0',
             datasource: 'gitea-tags',
             depName: 'gitea.com/hashicorp/example',
             depType: 'gitTags',
-            packageName: 'https://gitea.com/hashicorp/example',
+            packageName: 'hashicorp/example',
+            registryUrls: ['https://gitea.com'],
           },
         ],
       });
@@ -252,7 +261,13 @@ describe('modules/manager/terragrunt/extract', () => {
             depType: 'github',
             packageName: 'hashicorp/example',
           },
-          {},
+          {
+            currentValue: 'next',
+            datasource: 'git-tags',
+            depName: '104.196.242.174/example',
+            depType: 'gitTags',
+            packageName: 'https://104.196.242.174/example',
+          },
           {},
           {
             datasource: 'terraform-module',
@@ -391,21 +406,24 @@ describe('modules/manager/terragrunt/extract', () => {
             datasource: 'bitbucket-tags',
             depName: 'bitbucket.com/hashicorp/example',
             depType: 'gitTags',
-            packageName: 'https://bitbucket.com/hashicorp/example',
+            packageName: 'hashicorp/example',
+            registryUrls: ['https://bitbucket.com'],
           },
           {
             currentValue: 'v1.0.0',
             datasource: 'gitlab-tags',
             depName: 'gitlab.com/hashicorp/example',
             depType: 'gitTags',
-            packageName: 'https://gitlab.com/hashicorp/example',
+            packageName: 'hashicorp/example',
+            registryUrls: ['https://gitlab.com'],
           },
           {
             currentValue: 'v1.0.0',
             datasource: 'gitea-tags',
             depName: 'gitea.com/hashicorp/example',
             depType: 'gitTags',
-            packageName: 'https://gitea.com/hashicorp/example',
+            packageName: 'hashicorp/example',
+            registryUrls: ['https://gitea.com'],
           },
         ],
       });
@@ -438,7 +456,13 @@ describe('modules/manager/terragrunt/extract', () => {
             depType: 'github',
             packageName: 'hashicorp/example',
           },
-          {},
+          {
+            currentValue: 'next',
+            datasource: 'git-tags',
+            depName: '104.196.242.174/example',
+            depType: 'gitTags',
+            packageName: 'https://104.196.242.174/example',
+          },
           {},
           {
             datasource: 'terraform-module',
@@ -577,21 +601,24 @@ describe('modules/manager/terragrunt/extract', () => {
             datasource: 'bitbucket-tags',
             depName: 'bitbucket.com/hashicorp/example',
             depType: 'gitTags',
-            packageName: 'https://bitbucket.com/hashicorp/example',
+            packageName: 'hashicorp/example',
+            registryUrls: ['https://bitbucket.com'],
           },
           {
             currentValue: 'v1.0.0',
             datasource: 'gitlab-tags',
             depName: 'gitlab.com/hashicorp/example',
             depType: 'gitTags',
-            packageName: 'https://gitlab.com/hashicorp/example',
+            packageName: 'hashicorp/example',
+            registryUrls: ['https://gitlab.com'],
           },
           {
             currentValue: 'v1.0.0',
             datasource: 'gitea-tags',
             depName: 'gitea.com/hashicorp/example',
             depType: 'gitTags',
-            packageName: 'https://gitea.com/hashicorp/example',
+            packageName: 'hashicorp/example',
+            registryUrls: ['https://gitea.com'],
           },
         ],
       });
diff --git a/lib/modules/manager/terragrunt/modules.spec.ts b/lib/modules/manager/terragrunt/modules.spec.ts
index b2b30361860704..40d9b806c9f03d 100644
--- a/lib/modules/manager/terragrunt/modules.spec.ts
+++ b/lib/modules/manager/terragrunt/modules.spec.ts
@@ -24,7 +24,7 @@ describe('modules/manager/terragrunt/modules', () => {
   });
 
   describe('gitTagsRefMatchRegex', () => {
-    it('should split project and tag from source', () => {
+    it('should split host, path and tag from source', () => {
       const http = gitTagsRefMatchRegex.exec(
         'http://github.com/hashicorp/example?ref=v1.0.0',
       )?.groups;
@@ -36,15 +36,18 @@ describe('modules/manager/terragrunt/modules', () => {
       )?.groups;
 
       expect(http).toMatchObject({
-        project: 'hashicorp/example',
+        host: 'github.com',
+        path: 'hashicorp/example',
         tag: 'v1.0.0',
       });
       expect(https).toMatchObject({
-        project: 'hashicorp/example',
+        host: 'github.com',
+        path: 'hashicorp/example',
         tag: 'v1.0.0',
       });
       expect(ssh).toMatchObject({
-        project: 'hashicorp/example',
+        host: 'github.com',
+        path: 'hashicorp/example',
         tag: 'v1.0.0',
       });
     });
@@ -61,15 +64,15 @@ describe('modules/manager/terragrunt/modules', () => {
       )?.groups;
 
       expect(http).toMatchObject({
-        project: 'hashicorp/example.repo-123',
+        path: 'hashicorp/example.repo-123',
         tag: 'v1.0.0',
       });
       expect(https).toMatchObject({
-        project: 'hashicorp/example.repo-123',
+        path: 'hashicorp/example.repo-123',
         tag: 'v1.0.0',
       });
       expect(ssh).toMatchObject({
-        project: 'hashicorp/example.repo-123',
+        path: 'hashicorp/example.repo-123',
         tag: 'v1.0.0',
       });
     });
diff --git a/lib/modules/manager/terragrunt/modules.ts b/lib/modules/manager/terragrunt/modules.ts
index f881a78a95ca90..c214abb4570825 100644
--- a/lib/modules/manager/terragrunt/modules.ts
+++ b/lib/modules/manager/terragrunt/modules.ts
@@ -15,7 +15,7 @@ export const githubRefMatchRegex = regEx(
   /github\.com([/:])(?<project>[^/]+\/[a-z0-9-_.]+).*\?(depth=\d+&)?ref=(?<tag>.*?)(&depth=\d+)?$/i,
 );
 export const gitTagsRefMatchRegex = regEx(
-  /(?:git::)?(?<url>(?:http|https|ssh):\/\/(?:.*@)?(?<path>.*.*\/(?<project>.*\/.*)))\?(depth=\d+&)?ref=(?<tag>.*?)(&depth=\d+)?$/,
+  /(?:git::)?(?<url>(?:http|https|ssh):\/\/(?:.*@)?(?<host>[^/]*)\/(?<path>.*))\?(depth=\d+&)?ref=(?<tag>.*?)(&depth=\d+)?$/,
 );
 export const tfrVersionMatchRegex = regEx(
   /tfr:\/\/(?<registry>.*?)\/(?<org>[^/]+?)\/(?<name>[^/]+?)\/(?<cloud>[^/?]+).*\?(?:ref|version)=(?<currentValue>.*?)$/,
@@ -68,18 +68,28 @@ export function analyseTerragruntModule(
     dep.currentValue = githubRefMatch.groups.tag;
     dep.datasource = GithubTagsDatasource.id;
   } else if (gitTagsRefMatch?.groups) {
-    dep.depType = 'gitTags';
-    if (gitTagsRefMatch.groups.path.includes('//')) {
+    const { url, host, path, tag } = gitTagsRefMatch.groups;
+    const containsSubDirectory = path.includes('//');
+    if (containsSubDirectory) {
       logger.debug('Terragrunt module contains subdirectory');
-      dep.depName = gitTagsRefMatch.groups.path.split('//')[0];
-      const tempLookupName = gitTagsRefMatch.groups.url.split('//');
-      dep.packageName = tempLookupName[0] + '//' + tempLookupName[1];
+    }
+    dep.depType = 'gitTags';
+    // We don't want to have .git or subdirectory in the depName
+    dep.depName = `${host}/${path.split('//')[0].replace('.git', '')}`;
+    dep.currentValue = tag;
+    dep.datasource = detectGitTagDatasource(url);
+    if (dep.datasource === GitTagsDatasource.id) {
+      if (containsSubDirectory) {
+        const [protocol, hostAndPath] = url.split('//');
+        dep.packageName = `${protocol}//${hostAndPath}`;
+      } else {
+        dep.packageName = url;
+      }
     } else {
-      dep.depName = gitTagsRefMatch.groups.path.replace('.git', '');
-      dep.packageName = gitTagsRefMatch.groups.url;
+      // The packageName should only contain the path to the repository
+      dep.packageName = path.split('//')[0];
+      dep.registryUrls = [`https://${host}`];
     }
-    dep.currentValue = gitTagsRefMatch.groups.tag;
-    dep.datasource = detectGitTagDatasource(gitTagsRefMatch.groups.url);
   } else if (tfrVersionMatch?.groups) {
     dep.depType = 'terragrunt';
     dep.depName =