diff --git a/MODULE.bazel b/MODULE.bazel
index 92acf1f..ed40701 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -1,4 +1,4 @@
 module(name = "protobuf_javascript", version = "3.21.2")
 
 bazel_dep(name = "protobuf", version = "21.7", repo_name = "com_google_protobuf")
-bazel_dep(name = "rules_pkg", version = "0.9.1")
+bazel_dep(name = "rules_pkg", version = "0.7.0")
diff --git a/WORKSPACE b/WORKSPACE
index 6902897..8e88002 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -4,8 +4,9 @@ load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
 http_archive(
     name = "com_google_protobuf",
-    strip_prefix = "protobuf-21.3",
-    urls = ["https://github.com/protocolbuffers/protobuf/archive/refs/tags/v21.3.zip"],
+    urls = ["https://github.com/protocolbuffers/protobuf/archive/refs/tags/v21.7.zip"],
+    sha256 = "e13ca6c2f1522924b8482f3b3a482427d0589ff8ea251088f7e39f4713236053",
+    strip_prefix = "protobuf-21.7",
 )
 
 load("@com_google_protobuf//:protobuf_deps.bzl", "protobuf_deps")