diff --git a/README.md b/README.md
index 341ad43..95ecf10 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,9 @@ Alternately, you can download via `go get github.com/clever/microplane/cmd`. In
 
 The `GITHUB_API_TOKEN` environment variable must be set for Github. This should be a [GitHub Token](https://github.com/settings/tokens) with `repo` scope.
 
+Optionally: The `GITHUB_URL` environment variable can be set to use a Github Enterprise setup, otherwise it will use https://github.com.
+The `GITHUB_URL` **must** be a valid URL for the API endpoint including a trailing slash: e.g. `https://git.yourcompany.com/api/v3/`
+
 ### GitLab setup
 
 The `GITLAB_API_TOKEN` environment variable must be set for Gitlab. This should be a [GitLab access token](https://gitlab.com/profile/personal_access_tokens)
diff --git a/initialize/initialize.go b/initialize/initialize.go
index 79dd0ce..a783b6a 100644
--- a/initialize/initialize.go
+++ b/initialize/initialize.go
@@ -7,7 +7,8 @@ import (
 	"log"
 	"os"
 	"sort"
-	"strings"
+  "strings"
+	"net/url"
 
 	"github.com/google/go-github/github"
 	gitlab "github.com/xanzy/go-gitlab"
@@ -128,6 +129,13 @@ func githubSearch(query string) ([]Repo, error) {
 
 	client := github.NewClient(tc)
 
+	if os.Getenv("GITHUB_URL") != "" {
+		baseEndpoint, _ := url.Parse(os.Getenv("GITHUB_URL"))
+		client.BaseURL = baseEndpoint
+		uploadEndpoint, _ := url.Parse(os.Getenv("GITHUB_URL") + "upload/")
+		client.UploadURL = uploadEndpoint
+	}
+
 	opts := &github.SearchOptions{}
 	allRepos := map[string]*github.Repository{}
 	numProcessedResults := 0
@@ -155,12 +163,18 @@ func githubSearch(query string) ([]Repo, error) {
 		opts.Page = resp.NextPage
 	}
 
+	hostname := "github.com"
+	if os.Getenv("GITHUB_URL") != "" {
+		baseEndpoint, _ := url.Parse(os.Getenv("GITHUB_URL"))
+		hostname = baseEndpoint.Hostname()
+	}
+
 	repos := []Repo{}
 	for _, r := range allRepos {
 		repos = append(repos, Repo{
 			Name:     r.GetName(),
 			Owner:    r.Owner.GetLogin(),
-			CloneURL: fmt.Sprintf("git@github.com:%s", r.GetFullName()),
+			CloneURL: fmt.Sprintf("git@%s:%s", hostname, r.GetFullName()),
 			Provider: "github",
 		})
 	}
diff --git a/merge/merge.go b/merge/merge.go
index 7ce6d7d..5a21969 100644
--- a/merge/merge.go
+++ b/merge/merge.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"os"
 	"time"
+	"net/url"
 
 	"github.com/google/go-github/github"
 	"golang.org/x/oauth2"
@@ -51,6 +52,13 @@ func GitHubMerge(ctx context.Context, input Input, repoLimiter *time.Ticker, mer
 	tc := oauth2.NewClient(ctx, ts)
 	client := github.NewClient(tc)
 
+	if os.Getenv("GITHUB_URL") != "" {
+		baseEndpoint, _ := url.Parse(os.Getenv("GITHUB_URL"))
+		client.BaseURL = baseEndpoint
+		uploadEndpoint, _ := url.Parse(os.Getenv("GITHUB_URL") + "upload/")
+		client.UploadURL = uploadEndpoint
+	}
+
 	// OK to merge?
 
 	// (1) Check if the PR is mergeable
diff --git a/push/push.go b/push/push.go
index 1df4c67..c57a547 100644
--- a/push/push.go
+++ b/push/push.go
@@ -101,6 +101,13 @@ func GithubPush(ctx context.Context, input Input, repoLimiter *time.Ticker, push
 	tc := oauth2.NewClient(ctx, ts)
 	client := github.NewClient(tc)
 
+	if os.Getenv("GITHUB_URL") != "" {
+		baseEndpoint, _ := url.Parse(os.Getenv("GITHUB_URL"))
+		client.BaseURL = baseEndpoint
+		uploadEndpoint, _ := url.Parse(os.Getenv("GITHUB_URL") + "upload/")
+		client.UploadURL = uploadEndpoint
+	}
+
 	// Open a pull request, if one doesn't exist already
 	head := fmt.Sprintf("%s:%s", input.RepoOwner, input.BranchName)
 	base := "master"