diff --git a/src/bin/release-please.ts b/src/bin/release-please.ts
index 4baf2c626..ab7c7cb08 100644
--- a/src/bin/release-please.ts
+++ b/src/bin/release-please.ts
@@ -16,7 +16,7 @@
 
 import {coerceOption} from '../util/coerce-option';
 import * as yargs from 'yargs';
-import {GitHub, GH_API_URL, GH_GRAPHQL_URL} from '../github';
+import {GitHub, GH_API_URL, GH_GRAPHQL_URL, GH_SERVER_URL} from '../github';
 import {Manifest, ManifestOptions, ROOT_PROJECT_PATH} from '../manifest';
 import {ChangelogSection, buildChangelogSections} from '../changelog-notes';
 import {logger, setLogger, CheckpointLogger} from '../util/logger';
@@ -44,6 +44,7 @@ interface ErrorObject {
 interface GitHubArgs {
   dryRun?: boolean;
   trace?: boolean;
+  serverUrl?: string;
   repoUrl?: string;
   token?: string;
   apiUrl?: string;
@@ -162,6 +163,11 @@ function gitHubOptions(yargs: yargs.Argv): yargs.Argv {
       default: GH_API_URL,
       type: 'string',
     })
+    .option('server-url', {
+      describe: 'URL of the GitHub server',
+      default: GH_SERVER_URL,
+      type: 'string',
+    })
     .option('graphql-url', {
       describe: 'URL to use when making GraphQL requests',
       default: GH_GRAPHQL_URL,
@@ -190,6 +196,7 @@ function gitHubOptions(yargs: yargs.Argv): yargs.Argv {
       // allow secrets to be loaded from file path
       // rather than being passed directly to the bin.
       if (argv.token) argv.token = coerceOption(argv.token);
+      if (argv.serverUrl) argv.serverUrl = coerceOption(argv.serverUrl);
       if (argv.apiUrl) argv.apiUrl = coerceOption(argv.apiUrl);
       if (argv.graphqlUrl) argv.graphqlUrl = coerceOption(argv.graphqlUrl);
     });
@@ -803,6 +810,7 @@ async function buildGitHub(argv: GitHubArgs): Promise<GitHub> {
     owner,
     repo,
     token: argv.token!,
+    serverUrl: argv.serverUrl,
     apiUrl: argv.apiUrl,
     graphqlUrl: argv.graphqlUrl,
   });
diff --git a/src/github.ts b/src/github.ts
index 0b581b646..ca4e0d6af 100644
--- a/src/github.ts
+++ b/src/github.ts
@@ -29,6 +29,7 @@ import {
 
 const MAX_ISSUE_BODY_SIZE = 65536;
 const MAX_SLEEP_SECONDS = 20;
+export const GH_SERVER_URL = 'https://github.com';
 export const GH_API_URL = 'https://api.github.com';
 export const GH_GRAPHQL_URL = 'https://api.github.com';
 type OctokitType = InstanceType<typeof Octokit>;
@@ -62,6 +63,7 @@ export interface OctokitAPIs {
 }
 
 export interface GitHubOptions {
+  serverUrl: string;
   repository: Repository;
   octokitAPIs: OctokitAPIs;
   logger?: Logger;
@@ -76,6 +78,7 @@ interface GitHubCreateOptions {
   owner: string;
   repo: string;
   defaultBranch?: string;
+  serverUrl?: string;
   apiUrl?: string;
   graphqlUrl?: string;
   octokitAPIs?: OctokitAPIs;
@@ -208,8 +211,10 @@ export class GitHub {
   private graphql: Function;
   private fileCache: RepositoryFileCache;
   private logger: Logger;
+  readonly serverUrl: string;
 
   private constructor(options: GitHubOptions) {
+    this.serverUrl = options.serverUrl;
     this.repository = options.repository;
     this.octokit = options.octokitAPIs.octokit;
     this.request = options.octokitAPIs.request;
@@ -246,6 +251,7 @@ export class GitHub {
    * @param {string} token Optional. A GitHub API token used for authentication.
    */
   static async create(options: GitHubCreateOptions): Promise<GitHub> {
+    const serverUrl = options.serverUrl ?? GH_SERVER_URL;
     const apiUrl = options.apiUrl ?? GH_API_URL;
     const graphqlUrl = options.graphqlUrl ?? GH_GRAPHQL_URL;
     const releasePleaseVersion = require('../../package.json').version;
@@ -277,6 +283,7 @@ export class GitHub {
       }),
     };
     const opts = {
+      serverUrl,
       repository: {
         owner: options.owner,
         repo: options.repo,
@@ -1430,7 +1437,7 @@ export class GitHub {
   commentOnIssue = wrapAsync(
     async (comment: string, number: number): Promise<string> => {
       this.logger.debug(
-        `adding comment to https://github.com/${this.repository.owner}/${this.repository.repo}/issues/${number}`
+        `adding comment to ${this.serverUrl}/${this.repository.owner}/${this.repository.repo}/issues/${number}`
       );
       const resp = await this.octokit.issues.createComment({
         owner: this.repository.owner,
diff --git a/src/manifest.ts b/src/manifest.ts
index 10ac85748..fb93b2c0f 100644
--- a/src/manifest.ts
+++ b/src/manifest.ts
@@ -1051,7 +1051,7 @@ export class Manifest {
     // If unchanged, no need to push updates
     if (existing.body === pullRequest.body.toString()) {
       this.logger.info(
-        `PR https://github.com/${this.repository.owner}/${this.repository.repo}/pull/${existing.number} remained the same`
+        `PR ${this.github.serverUrl}/${this.repository.owner}/${this.repository.repo}/pull/${existing.number} remained the same`
       );
       return undefined;
     }
@@ -1076,7 +1076,7 @@ export class Manifest {
     // If unchanged, no need to push updates
     if (snoozed.body === pullRequest.body.toString()) {
       this.logger.info(
-        `PR https://github.com/${this.repository.owner}/${this.repository.repo}/pull/${snoozed.number} remained the same`
+        `PR ${this.github.serverUrl}/${this.repository.owner}/${this.repository.repo}/pull/${snoozed.number} remained the same`
       );
       return undefined;
     }