diff --git a/var/spack/repos/builtin/packages/yajl/package.py b/var/spack/repos/builtin/packages/yajl/package.py
index 686714cadbd..24572d06f74 100644
--- a/var/spack/repos/builtin/packages/yajl/package.py
+++ b/var/spack/repos/builtin/packages/yajl/package.py
@@ -10,7 +10,7 @@ class Yajl(CMakePackage):
     """Yet Another JSON Library (YAJL)"""
 
     homepage = "https://lloyd.github.io/yajl/"
-    url = "https://github.com/lloyd/yajl/archive/2.1.0.zip"
+    url = "https://github.com/lloyd/yajl/archive/refs/tags/2.1.0.zip"
     git = "https://github.com/lloyd/yajl.git"
 
     license("MIT")