diff --git a/.kokoro/requirements.txt b/.kokoro/requirements.txt
index f4183ce0..89187a7d 100644
--- a/.kokoro/requirements.txt
+++ b/.kokoro/requirements.txt
@@ -497,18 +497,18 @@ proto-plus==1.25.0 \
     # via
     #   -r requirements.in
     #   google-api-core
-protobuf==5.29.0 \
-    --hash=sha256:0cd67a1e5c2d88930aa767f702773b2d054e29957432d7c6a18f8be02a07719a \
-    --hash=sha256:0d10091d6d03537c3f902279fcf11e95372bdd36a79556311da0487455791b20 \
-    --hash=sha256:17d128eebbd5d8aee80300aed7a43a48a25170af3337f6f1333d1fac2c6839ac \
-    --hash=sha256:34a90cf30c908f47f40ebea7811f743d360e202b6f10d40c02529ebd84afc069 \
-    --hash=sha256:445a0c02483869ed8513a585d80020d012c6dc60075f96fa0563a724987b1001 \
-    --hash=sha256:6c3009e22717c6cc9e6594bb11ef9f15f669b19957ad4087214d69e08a213368 \
-    --hash=sha256:85286a47caf63b34fa92fdc1fd98b649a8895db595cfa746c5286eeae890a0b1 \
-    --hash=sha256:88c4af76a73183e21061881360240c0cdd3c39d263b4e8fb570aaf83348d608f \
-    --hash=sha256:c931c61d0cc143a2e756b1e7f8197a508de5365efd40f83c907a9febf36e6b43 \
-    --hash=sha256:e467f81fdd12ded9655cea3e9b83dc319d93b394ce810b556fb0f421d8613e86 \
-    --hash=sha256:ea7fb379b257911c8c020688d455e8f74efd2f734b72dc1ea4b4d7e9fd1326f2
+protobuf==5.29.1 \
+    --hash=sha256:012ce28d862ff417fd629285aca5d9772807f15ceb1a0dbd15b88f58c776c98c \
+    --hash=sha256:027fbcc48cea65a6b17028510fdd054147057fa78f4772eb547b9274e5219331 \
+    --hash=sha256:1fc55267f086dd4050d18ef839d7bd69300d0d08c2a53ca7df3920cc271a3c34 \
+    --hash=sha256:22c1f539024241ee545cbcb00ee160ad1877975690b16656ff87dde107b5f110 \
+    --hash=sha256:32600ddb9c2a53dedc25b8581ea0f1fd8ea04956373c0c07577ce58d312522e0 \
+    --hash=sha256:50879eb0eb1246e3a5eabbbe566b44b10348939b7cc1b267567e8c3d07213853 \
+    --hash=sha256:5a41deccfa5e745cef5c65a560c76ec0ed8e70908a67cc8f4da5fce588b50d57 \
+    --hash=sha256:683be02ca21a6ffe80db6dd02c0b5b2892322c59ca57fd6c872d652cb80549cb \
+    --hash=sha256:8ee1461b3af56145aca2800e6a3e2f928108c749ba8feccc6f5dd0062c410c0d \
+    --hash=sha256:b5ba1d0e4c8a40ae0496d0e2ecfdbb82e1776928a205106d14ad6985a09ec155 \
+    --hash=sha256:d473655e29c0c4bbf8b69e9a8fb54645bc289dead6d753b952e7aa660254ae18
     # via
     #   gcp-docuploader
     #   gcp-releasetool
diff --git a/requirements.txt b/requirements.txt
index 6cf0222e..6e90193d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -357,18 +357,18 @@ proto-plus==1.25.0 \
     # via
     #   google-api-core
     #   google-cloud-spanner
-protobuf==5.29.0 \
-    --hash=sha256:0cd67a1e5c2d88930aa767f702773b2d054e29957432d7c6a18f8be02a07719a \
-    --hash=sha256:0d10091d6d03537c3f902279fcf11e95372bdd36a79556311da0487455791b20 \
-    --hash=sha256:17d128eebbd5d8aee80300aed7a43a48a25170af3337f6f1333d1fac2c6839ac \
-    --hash=sha256:34a90cf30c908f47f40ebea7811f743d360e202b6f10d40c02529ebd84afc069 \
-    --hash=sha256:445a0c02483869ed8513a585d80020d012c6dc60075f96fa0563a724987b1001 \
-    --hash=sha256:6c3009e22717c6cc9e6594bb11ef9f15f669b19957ad4087214d69e08a213368 \
-    --hash=sha256:85286a47caf63b34fa92fdc1fd98b649a8895db595cfa746c5286eeae890a0b1 \
-    --hash=sha256:88c4af76a73183e21061881360240c0cdd3c39d263b4e8fb570aaf83348d608f \
-    --hash=sha256:c931c61d0cc143a2e756b1e7f8197a508de5365efd40f83c907a9febf36e6b43 \
-    --hash=sha256:e467f81fdd12ded9655cea3e9b83dc319d93b394ce810b556fb0f421d8613e86 \
-    --hash=sha256:ea7fb379b257911c8c020688d455e8f74efd2f734b72dc1ea4b4d7e9fd1326f2
+protobuf==5.29.1 \
+    --hash=sha256:012ce28d862ff417fd629285aca5d9772807f15ceb1a0dbd15b88f58c776c98c \
+    --hash=sha256:027fbcc48cea65a6b17028510fdd054147057fa78f4772eb547b9274e5219331 \
+    --hash=sha256:1fc55267f086dd4050d18ef839d7bd69300d0d08c2a53ca7df3920cc271a3c34 \
+    --hash=sha256:22c1f539024241ee545cbcb00ee160ad1877975690b16656ff87dde107b5f110 \
+    --hash=sha256:32600ddb9c2a53dedc25b8581ea0f1fd8ea04956373c0c07577ce58d312522e0 \
+    --hash=sha256:50879eb0eb1246e3a5eabbbe566b44b10348939b7cc1b267567e8c3d07213853 \
+    --hash=sha256:5a41deccfa5e745cef5c65a560c76ec0ed8e70908a67cc8f4da5fce588b50d57 \
+    --hash=sha256:683be02ca21a6ffe80db6dd02c0b5b2892322c59ca57fd6c872d652cb80549cb \
+    --hash=sha256:8ee1461b3af56145aca2800e6a3e2f928108c749ba8feccc6f5dd0062c410c0d \
+    --hash=sha256:b5ba1d0e4c8a40ae0496d0e2ecfdbb82e1776928a205106d14ad6985a09ec155 \
+    --hash=sha256:d473655e29c0c4bbf8b69e9a8fb54645bc289dead6d753b952e7aa660254ae18
     # via
     #   google-api-core
     #   google-cloud-spanner