diff --git a/requirements.txt b/requirements.txt
index cdf8b72..04a4c91 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -408,25 +408,28 @@ patsy==0.5.1 \
     --hash=sha256:f115cec4201e1465cd58b9866b0b0e7b941caafec129869057405bfe5b5e3991
 promise==2.3 \
     --hash=sha256:dfd18337c523ba4b6a58801c164c1904a9d4d1b1747c7d5dbf45b693a49d93d0
-protobuf==3.12.2 \
-    --hash=sha256:e1464a4a2cf12f58f662c8e6421772c07947266293fb701cb39cd9c1e183f63c \
-    --hash=sha256:6f349adabf1c004aba53f7b4633459f8ca8a09654bf7e69b509c95a454755776 \
-    --hash=sha256:be04fe14ceed7f8641e30f36077c1a654ff6f17d0c7a5283b699d057d150d82a \
-    --hash=sha256:f4b73736108a416c76c17a8a09bc73af3d91edaa26c682aaa460ef91a47168d3 \
-    --hash=sha256:5524c7020eb1fb7319472cb75c4c3206ef18b34d6034d2ee420a60f99cddeb07 \
-    --hash=sha256:bff02030bab8b969f4de597543e55bd05e968567acb25c0a87495a31eb09e925 \
-    --hash=sha256:c9ca9f76805e5a637605f171f6c4772fc4a81eced4e2f708f79c75166a2c99ea \
-    --hash=sha256:304e08440c4a41a0f3592d2a38934aad6919d692bb0edfb355548786728f9a5e \
-    --hash=sha256:b5a114ea9b7fc90c2cc4867a866512672a47f66b154c6d7ee7e48ddb68b68122 \
-    --hash=sha256:85b94d2653b0fdf6d879e39d51018bf5ccd86c81c04e18a98e9888694b98226f \
-    --hash=sha256:a7ab28a8f1f043c58d157bceb64f80e4d2f7f1b934bc7ff5e7f7a55a337ea8b0 \
-    --hash=sha256:eafe9fa19fcefef424ee089fb01ac7177ff3691af7cc2ae8791ae523eb6ca907 \
-    --hash=sha256:612bc97e42b22af10ba25e4140963fbaa4c5181487d163f4eb55b0b15b3dfcd2 \
-    --hash=sha256:e72736dd822748b0721f41f9aaaf6a5b6d5cfc78f6c8690263aef8bba4457f0e \
-    --hash=sha256:87535dc2d2ef007b9d44e309d2b8ea27a03d2fa09556a72364d706fcb7090828 \
-    --hash=sha256:50b5fee674878b14baea73b4568dc478c46a31dd50157a5b5d2f71138243b1a9 \
-    --hash=sha256:a96f8fc625e9ff568838e556f6f6ae8eca8b4837cdfb3f90efcb7c00e342a2eb \
-    --hash=sha256:49ef8ab4c27812a89a76fa894fe7a08f42f2147078392c0dee51d4a444ef6df5
+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
 psutil==5.7.0 \
     --hash=sha256:298af2f14b635c3c7118fd9183843f4e73e681bb6f01e12284d4d70d48a60953 \
     --hash=sha256:75e22717d4dbc7ca529ec5063000b2b294fc9a367f9c9ede1f65846c7955fd38 \