diff --git a/appview/pulls/pulls.go b/appview/pulls/pulls.go
index 9de0aa15..a6263128 100644
--- a/appview/pulls/pulls.go
+++ b/appview/pulls/pulls.go
@@ -447,7 +447,7 @@ func (s *Pulls) RepoPullPatchRaw(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	w.Header().Set("Content-Type", "text/plain")
+	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
 	w.Write([]byte(pull.Submissions[roundIdInt].Patch))
 }
 
diff --git a/appview/repo/repo.go b/appview/repo/repo.go
index 7ac528dc..f1df8643 100644
--- a/appview/repo/repo.go
+++ b/appview/repo/repo.go
@@ -590,7 +590,7 @@ func (rp *Repo) RepoBlobRaw(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	w.Header().Set("Content-Type", "text/plain")
+	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
 	w.Write([]byte(result.Contents))
 	return
 }
diff --git a/hook/hook.go b/hook/hook.go
index 194b49a1..f43b594a 100644
--- a/hook/hook.go
+++ b/hook/hook.go
@@ -63,7 +63,7 @@ func postRecieve(ctx context.Context, cmd *cli.Command) error {
 		return fmt.Errorf("failed to create request: %w", err)
 	}
 
-	req.Header.Set("Content-Type", "text/plain")
+	req.Header.Set("Content-Type", "text/plain; charset=utf-8")
 	req.Header.Set("X-Git-Dir", gitDir)
 	req.Header.Set("X-Git-User-Did", userDid)
 	req.Header.Set("X-Git-User-Handle", userHandle)
diff --git a/knotserver/handler.go b/knotserver/handler.go
index b536c5d1..a7dc849f 100644
--- a/knotserver/handler.go
+++ b/knotserver/handler.go
@@ -187,6 +187,6 @@ func (h *Handle) Version(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	w.Header().Set("Content-Type", "text/plain")
+	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
 	fmt.Fprintf(w, "knotserver/%s", version)
 }