diff --git a/src/stirling/testing/demo_apps/py_grpc/requirements.in b/src/stirling/testing/demo_apps/py_grpc/requirements.in
index ead7bdad76e..ac50cf27d41 100644
--- a/src/stirling/testing/demo_apps/py_grpc/requirements.in
+++ b/src/stirling/testing/demo_apps/py_grpc/requirements.in
@@ -1,5 +1,5 @@
 # NOTE: Do not change the versions below, these are particular version that works with Pixie's gRPC
 # C tracing feature. Changing these versions might cause Pixie not able to trace the produced docker
 # containers.
-protobuf==3.20.3
+protobuf==5.29.6
 grpcio==1.19.0
diff --git a/src/stirling/testing/demo_apps/py_grpc/requirements.txt b/src/stirling/testing/demo_apps/py_grpc/requirements.txt
index d97be46acfb..86ddbe106e9 100644
--- a/src/stirling/testing/demo_apps/py_grpc/requirements.txt
+++ b/src/stirling/testing/demo_apps/py_grpc/requirements.txt
@@ -38,29 +38,29 @@ grpcio==1.19.0 \
     --hash=sha256:fadb649a69e3b08e01f090c24f0c8cccc122e92c362c1a1727b695a63be8416b \
     --hash=sha256:fbe4360ff1689a9753cbf1b27dad11e683d39117a32a64372a7c95c6abc81b81
     # via -r requirements.in
-protobuf==3.20.3 \
-    --hash=sha256:03038ac1cfbc41aa21f6afcbcd357281d7521b4157926f30ebecc8d4ea59dcb7 \
-    --hash=sha256:28545383d61f55b57cf4df63eebd9827754fd2dc25f80c5253f9184235db242c \
-    --hash=sha256:2e3427429c9cffebf259491be0af70189607f365c2f41c7c3764af6f337105f2 \
-    --hash=sha256:398a9e0c3eaceb34ec1aee71894ca3299605fa8e761544934378bbc6c97de23b \
-    --hash=sha256:44246bab5dd4b7fbd3c0c80b6f16686808fab0e4aca819ade6e8d294a29c7050 \
-    --hash=sha256:447d43819997825d4e71bf5769d869b968ce96848b6479397e29fc24c4a5dfe9 \
-    --hash=sha256:67a3598f0a2dcbc58d02dd1928544e7d88f764b47d4a286202913f0b2801c2e7 \
-    --hash=sha256:74480f79a023f90dc6e18febbf7b8bac7508420f2006fabd512013c0c238f454 \
-    --hash=sha256:819559cafa1a373b7096a482b504ae8a857c89593cf3a25af743ac9ecbd23480 \
-    --hash=sha256:899dc660cd599d7352d6f10d83c95df430a38b410c1b66b407a6b29265d66469 \
-    --hash=sha256:8c0c984a1b8fef4086329ff8dd19ac77576b384079247c770f29cc8ce3afa06c \
-    --hash=sha256:9aae4406ea63d825636cc11ffb34ad3379335803216ee3a856787bcf5ccc751e \
-    --hash=sha256:a7ca6d488aa8ff7f329d4c545b2dbad8ac31464f1d8b1c87ad1346717731e4db \
-    --hash=sha256:b6cc7ba72a8850621bfec987cb72623e703b7fe2b9127a161ce61e61558ad905 \
-    --hash=sha256:bf01b5720be110540be4286e791db73f84a2b721072a3711efff6c324cdf074b \
-    --hash=sha256:c02ce36ec760252242a33967d51c289fd0e1c0e6e5cc9397e2279177716add86 \
-    --hash=sha256:d9e4432ff660d67d775c66ac42a67cf2453c27cb4d738fc22cb53b5d84c135d4 \
-    --hash=sha256:daa564862dd0d39c00f8086f88700fdbe8bc717e993a21e90711acfed02f2402 \
-    --hash=sha256:de78575669dddf6099a8a0f46a27e82a1783c557ccc38ee620ed8cc96d3be7d7 \
-    --hash=sha256:e64857f395505ebf3d2569935506ae0dfc4a15cb80dc25261176c784662cdcc4 \
-    --hash=sha256:f4bd856d702e5b0d96a00ec6b307b0f51c1982c2bf9c0052cf9019e9a544ba99 \
-    --hash=sha256:f4c42102bc82a51108e449cbb32b19b180022941c727bac0cfd50170341f16ee
+protobuf==5.29.6 \
+    --hash=sha256:36ade6ff88212e91aef4e687a971a11d7d24d6948a66751abc1b3238648f5d05 \
+    --hash=sha256:36ade6ff88212e91aef4e687a971a11d7d24d6948a66751abc1b3238648f5d05 \
+    --hash=sha256:62e8a3114992c7c647bce37dcc93647575fc52d50e48de30c6fcb28a6a291eb1 \
+    --hash=sha256:62e8a3114992c7c647bce37dcc93647575fc52d50e48de30c6fcb28a6a291eb1 \
+    --hash=sha256:6b9edb641441b2da9fa8f428760fc136a49cf97a52076010cf22a2ff73438a86 \
+    --hash=sha256:6b9edb641441b2da9fa8f428760fc136a49cf97a52076010cf22a2ff73438a86 \
+    --hash=sha256:76e07e6567f8baf827137e8d5b8204b6c7b6488bbbff1bf0a72b383f77999c18 \
+    --hash=sha256:76e07e6567f8baf827137e8d5b8204b6c7b6488bbbff1bf0a72b383f77999c18 \
+    --hash=sha256:7e6ad413275be172f67fdee0f43484b6de5a904cc1c3ea9804cb6fe2ff366eda \
+    --hash=sha256:7e6ad413275be172f67fdee0f43484b6de5a904cc1c3ea9804cb6fe2ff366eda \
+    --hash=sha256:831e2da16b6cc9d8f1654c041dd594eda43391affd3c03a91bea7f7f6da106d6 \
+    --hash=sha256:831e2da16b6cc9d8f1654c041dd594eda43391affd3c03a91bea7f7f6da106d6 \
+    --hash=sha256:a8866b2cff111f0f863c1b3b9e7572dc7eaea23a7fae27f6fc613304046483e6 \
+    --hash=sha256:a8866b2cff111f0f863c1b3b9e7572dc7eaea23a7fae27f6fc613304046483e6 \
+    --hash=sha256:b5a169e664b4057183a34bdc424540e86eea47560f3c123a0d64de4e137f9269 \
+    --hash=sha256:b5a169e664b4057183a34bdc424540e86eea47560f3c123a0d64de4e137f9269 \
+    --hash=sha256:cb4c86de9cd8a7f3a256b9744220d87b847371c6b2f10bde87768918ef33ba49 \
+    --hash=sha256:cb4c86de9cd8a7f3a256b9744220d87b847371c6b2f10bde87768918ef33ba49 \
+    --hash=sha256:da9ee6a5424b6b30fd5e45c5ea663aef540ca95f9ad99d1e887e819cdf9b8723 \
+    --hash=sha256:da9ee6a5424b6b30fd5e45c5ea663aef540ca95f9ad99d1e887e819cdf9b8723 \
+    --hash=sha256:e3387f44798ac1106af0233c04fb8abf543772ff241169946f698b3a9a3d3ab9 \
+    --hash=sha256:e3387f44798ac1106af0233c04fb8abf543772ff241169946f698b3a9a3d3ab9
     # via -r requirements.in
 six==1.16.0 \
     --hash=sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926 \