diff --git a/src/extlibs/nanopb_requirements.in b/src/extlibs/nanopb_requirements.in
index 8d30a43b30..6012b6b55e 100644
--- a/src/extlibs/nanopb_requirements.in
+++ b/src/extlibs/nanopb_requirements.in
@@ -1 +1 @@
-protobuf==3.18.3
+protobuf==4.25.8
diff --git a/src/extlibs/nanopb_requirements_lock.txt b/src/extlibs/nanopb_requirements_lock.txt
index 13481a4ab1..78fb42bb2f 100644
--- a/src/extlibs/nanopb_requirements_lock.txt
+++ b/src/extlibs/nanopb_requirements_lock.txt
@@ -4,26 +4,16 @@
 #
 #    bazel run //extlibs:nanopb_requirements.update
 #
-protobuf==3.18.3 \
-    --hash=sha256:0c44e01f74109decea196b5b313b08edb5316df77313995594a6981e95674259 \
-    --hash=sha256:15cdecb0d192ab5f17cdc21a9c0ae7b5c6c4451e42c8a888a4f3344c190e369c \
-    --hash=sha256:196a153e487c0e20d62259872bbf2e1c4fa18e2ce97e20984fcbf9d8b151058d \
-    --hash=sha256:3149c373e9b7ce296bb24d42a3eb677d620185b5dff2c390b2cf57baf79afdc1 \
-    --hash=sha256:370a6b885e94adda021d4cbe43accdfbf6a02af651a0be337a28906a3fa77f3d \
-    --hash=sha256:474247630834f93214fafce49d2ee6ff4c036c8c5382b88432b7eae6f08f131b \
-    --hash=sha256:6380aae2683d0d1b41199e591c8ba06f867e8a778d44309af87073c1b34a9f3a \
-    --hash=sha256:6741d7d1cfcbdd6cf610f38b7976cf8c0b41022203555298925e4061b6616608 \
-    --hash=sha256:700787cb56b4cb7b8ed5f7d197b9d8f30080f257f3c7431eec1fdd8060660929 \
-    --hash=sha256:8117b52c2531e4033f7d02b9be5a78564da41a8b02c255e1b731ad4bd75e7dc0 \
-    --hash=sha256:850da2072d98c6e576b7eb29734cdde6fd9f5d157e43d7818d79f4b373ef5d51 \
-    --hash=sha256:85d1fb5ff1d638a0045bbe4f01a8f287023aa4f2b29011445b1be0edc74a2103 \
-    --hash=sha256:93bca9aaeee8008e15696c2a6b5e56b992da03f9d237ff54310e397d635f8305 \
-    --hash=sha256:98d414513ec44bb3ba77ebdeffcbbe6ebbf3630c767d37a285890c2414fdd4e2 \
-    --hash=sha256:a7f91a4e5bf3cc58b2830c9cb01b04ac5e211c288048e9296cd407ec0455fb89 \
-    --hash=sha256:abbcb8ecd19cfb729b9b71f9a453e37c0c1c017be4bff47804ff25150685386d \
-    --hash=sha256:b03966ca4d1aa7850f5bf0d841c22a8eeb6ce091f77e585ffeb8b95a6b0a96c4 \
-    --hash=sha256:cde2a73b03049b904dbc5d0f500b97e11abb4109dbe2940e6a1595e2eef4e8a9 \
-    --hash=sha256:d52a687e2c74c40f45abd6906f833d4e40f0f8cfa4226a80e4695fedafe6c57e \
-    --hash=sha256:e68ad00695547d9397dd14abd3efba23cb31cef67228f4512d41396971889812 \
-    --hash=sha256:e9bffd52d6ee039a1cafb72475b2900c6fd0f0dca667fb7a09af0a3e119e78cb
+protobuf==4.25.8 \
+    --hash=sha256:077ff8badf2acf8bc474406706ad890466274191a48d0abd3bd6987107c9cde5 \
+    --hash=sha256:15a0af558aa3b13efef102ae6e4f3efac06f1eea11afb3a57db2901447d9fb59 \
+    --hash=sha256:27d498ffd1f21fb81d987a041c32d07857d1d107909f5134ba3350e1ce80a4af \
+    --hash=sha256:504435d831565f7cfac9f0714440028907f1975e4bed228e58e72ecfff58a1e0 \
+    --hash=sha256:6135cf8affe1fc6f76cced2641e4ea8d3e59518d1f24ae41ba97bcad82d397cd \
+    --hash=sha256:83e6e54e93d2b696a92cad6e6efc924f3850f82b52e1563778dfab8b355101b0 \
+    --hash=sha256:9ad7ef62d92baf5a8654fbb88dac7fa5594cfa70fd3440488a5ca3bfc6d795a7 \
+    --hash=sha256:bd551eb1fe1d7e92c1af1d75bdfa572eff1ab0e5bf1736716814cdccdb2360f9 \
+    --hash=sha256:ca809b42f4444f144f2115c4c1a747b9a404d590f18f37e9402422033e464e0f \
+    --hash=sha256:d552c53d0415449c8d17ced5c341caba0d89dbf433698e1436c8fa0aae7808a3 \
+    --hash=sha256:f4510b93a3bec6eba8fd8f1093e9d7fb0d4a24d1a81377c10c0e5bbfe9e4ed24
     # via -r extlibs/nanopb_requirements.in