diff --git a/go.mod b/go.mod
index 79cc8b2..a50291f 100644
--- a/go.mod
+++ b/go.mod
@@ -6,3 +6,5 @@ require (
 	github.com/BurntSushi/toml v0.3.1
 	golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a
 )
+
+require github.com/yuin/goldmark v1.7.0 // indirect
diff --git a/go.sum b/go.sum
index 98d7877..c3981f9 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,6 @@
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/yuin/goldmark v1.7.0 h1:EfOIvIMZIzHdB/R/zVrikYLPPwJlfMcNczJFMs1m6sA=
+github.com/yuin/goldmark v1.7.0/go.mod h1:uzxRWxtg69N339t3louHJ7+O03ezfj6PlliRlaOzY1E=
 golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a h1:WXEvlFVvvGxCJLG6REjsT03iWnKLEWinaScsxF2Vm2o=
 golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
diff --git a/page_repository.go b/page_repository.go
index a62d98d..aad8417 100644
--- a/page_repository.go
+++ b/page_repository.go
@@ -8,6 +8,8 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
+
+	"github.com/yuin/goldmark"
 )
 
 func (this *Application) Repopage(w http.ResponseWriter, r *http.Request, repoName string) {
@@ -58,8 +60,25 @@ func (this *Application) Repopage(w http.ResponseWriter, r *http.Request, repoNa
 	readmeHtml, err := this.gitea.RenderMarkdown(ctx, repoName, strings.Join(lines, "\n"))
 	if err != nil {
 		log.Printf("%s %s: %s", r.Method, r.URL.Path, fmt.Errorf("rendering markdown: %w", err))
-		http.Redirect(w, r, repoURL, http.StatusTemporaryRedirect)
-		return
+
+		// Failed to use Gitea's markdown renderer
+		// HTTP 401 (Unauthorized) started happening with this API sometime
+		// between Gitea 1.18 -> 1.21, and no authorization token seems
+		// sufficient to make it work again
+		// Use our own one instead as a fallback
+		buff := bytes.Buffer{}
+		err = goldmark.Convert(readme, &buff)
+
+		if err != nil {
+			// Built-in markdown renderer didn't work either
+			log.Printf("%s %s: %s", r.Method, r.URL.Path, fmt.Errorf("rendering markdown: %w", err))
+			http.Redirect(w, r, repoURL, http.StatusTemporaryRedirect)
+			return
+		}
+
+		// OK
+		readmeHtml = buff.Bytes()
+		err = nil
 	}
 
 	readmeHtml = []byte(strings.Replace(string(readmeHtml), `%%REPLACEME__BADGE%%`, `<img src="/static/build_success_brightgreen.svg" style="width:90px;height:20px;">`, 1))