diff --git a/bazel/workspace_deps.bzl b/bazel/workspace_deps.bzl
index 8bbd64cd6a..0f47720c08 100644
--- a/bazel/workspace_deps.bzl
+++ b/bazel/workspace_deps.bzl
@@ -13,10 +13,11 @@ def upb_deps():
     maybe(
         http_archive,
         name = "com_google_protobuf",
-        sha256 = "b10bf4e2d1a7586f54e64a5d9e7837e5188fc75ae69e36f215eb01def4f9721b",
-        strip_prefix = "protobuf-3.15.3",
+        sha256 = "87407cd28e7a9c95d9f61a098a53cf031109d451a7763e7dd1253abf8b4df422",
+        strip_prefix = "protobuf-3.19.1",
         urls = [
-            "https://github.com/protocolbuffers/protobuf/archive/v3.15.3.tar.gz",
+            "https://mirror.bazel.build/github.com/protocolbuffers/protobuf/archive/v3.19.1.tar.gz",
+            "https://github.com/protocolbuffers/protobuf/archive/v3.19.1.tar.gz",
         ],
     )
 
diff --git a/upb/decode_fast.c b/upb/decode_fast.c
index d18dccc67e..2872152329 100644
--- a/upb/decode_fast.c
+++ b/upb/decode_fast.c
@@ -800,6 +800,9 @@ static void fastdecode_docopy(upb_decstate *d, const char *ptr, uint32_t size,
   UPB_MUSTTAIL return fastdecode_dispatch(UPB_PARSE_ARGS);                     \
                                                                                \
   longstr:                                                                     \
+  if (card == CARD_r) {                                                        \
+    fastdecode_commitarr(dst + 1, &farr, sizeof(upb_strview));                 \
+  }                                                                            \
   ptr--;                                                                       \
   if (validate_utf8) {                                                         \
     UPB_MUSTTAIL return fastdecode_longstring_utf8(d, ptr, msg, table,         \