diff --git a/protoc/private/versions.bzl b/protoc/private/versions.bzl
index e296d85..f68532e 100644
--- a/protoc/private/versions.bzl
+++ b/protoc/private/versions.bzl
@@ -52,6 +52,18 @@ PROTOC_PLATFORMS = {
 
 # Synced from https://github.com/protocolbuffers/protobuf/releases:
 PROTOC_VERSIONS = {
+    "v33.0": {
+        "protoc-33.0-linux-aarch_64.zip": "sha384-ieKPJROa0+9qIM84IceW8IlPlZVlKl+aEavLFTlmO+6QRHN50kRwQEHOC4CADucP",
+        "protoc-33.0-linux-ppcle_64.zip": "sha384-X25g/gC+bbcc80PcOVUs6XyZlLA7r4QQr94KpR7P2tYYYRDy8hmQwtOfMF3recE5",
+        "protoc-33.0-linux-s390_64.zip": "sha384-4i2784V0LIzfvP234duI3jT6Si6bZ0IzT3FDc6YMox92nmwfTx70P+D0zzslMW3Q",
+        "protoc-33.0-linux-x86_32.zip": "sha384-FWeHkUHetlEMeg/k0McZU3AOQ9otrhN8gbE1MdlBN/GhZsfjosqaRPoP6PH6S+H+",
+        "protoc-33.0-linux-x86_64.zip": "sha384-yzv4liTJF6ocvCGn2qW0xvnX/KU6PHOTqL8E/y9Mjf6FLPIGiyPR4JT98oL/2aTQ",
+        "protoc-33.0-osx-aarch_64.zip": "sha384-rjw/vCtgPZn1XR3wTW2geoBQ1pSO2euFkCEfA75NpD91dMtWD9wq3ldZB7eRMTFi",
+        "protoc-33.0-osx-universal_binary.zip": "sha384-ywSIV9ES+/wgQkyZ5g1Tq0qrPu2BoBSlhVQs5BZb08rnfWJXRuxIVoKVD4UxTCV8",
+        "protoc-33.0-osx-x86_64.zip": "sha384-Pzk9MRv8gqr38T/opKYVImbCfA3K/oDLYO1IJSM9RqB9P0uLyuXksd+G4Logf8Uh",
+        "protoc-33.0-win32.zip": "sha384-LKppG+pkBl+vGhYhETSJJop3vKP7f6tgFXDI4OAMNwArY/E68nrKTCxFcpnzo2lc",
+        "protoc-33.0-win64.zip": "sha384-92kkrMibOcb4vJLjPo867pSjCVC07RFNRJ3DMPV02YHFy2F/Tjhrgt5+Gp8JqbLy",
+    },
     "v32.0-rc1": {
         "protoc-32.0-rc-1-linux-aarch_64.zip": "sha384-41D2TD/IFgvqoGhIdBbqWaGg5UJVBEDjz3ai1O2bKRV/qTZrKupPb619RQ0Gr10o",
         "protoc-32.0-rc-1-linux-ppcle_64.zip": "sha384-M4TI07luWJm0p62FL5vkgZvu4FfRzGVMqs9CZ4zafeFajcNmq+79QftZcq2XDPO1",