diff --git a/bazel/dependency_imports.bzl b/bazel/dependency_imports.bzl
index b382e3fd02cd9..9f075c7527884 100644
--- a/bazel/dependency_imports.bzl
+++ b/bazel/dependency_imports.bzl
@@ -6,7 +6,7 @@ load("@build_bazel_rules_apple//apple:repositories.bzl", "apple_rules_dependenci
 load("@rules_fuzzing//fuzzing:repositories.bzl", "rules_fuzzing_dependencies")
 load("@upb//bazel:workspace_deps.bzl", "upb_deps")
 load("@rules_rust//rust:repositories.bzl", "rust_repositories")
-load("@rules_antlr//antlr:deps.bzl", "antlr_dependencies")
+load("@rules_antlr//antlr:repositories.bzl", "rules_antlr_dependencies")
 load("@proxy_wasm_rust_sdk//bazel:dependencies.bzl", "proxy_wasm_rust_sdk_dependencies")
 load("@rules_cc//cc:repositories.bzl", "rules_cc_dependencies", "rules_cc_toolchains")
 
@@ -22,7 +22,7 @@ def envoy_dependency_imports(go_version = GO_VERSION):
     apple_rules_dependencies()
     rust_repositories()
     upb_deps()
-    antlr_dependencies(472)
+    rules_antlr_dependencies("4.9.2")
     proxy_wasm_rust_sdk_dependencies()
     rules_fuzzing_dependencies(
         oss_fuzz = True,
diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index ae5295c721c00..c669a242e27a1 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -1078,8 +1078,9 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "ANTLR Rules for Bazel",
         project_desc = "Bazel rules for ANTLR",
         project_url = "https://github.com/marcohu/rules_antlr",
-        version = "3cc2f9502a54ceb7b79b37383316b23c4da66f9a",
-        sha256 = "7249d1569293d9b239e23c65f6b4c81a07da921738bde0dfeb231ed98be40429",
+        # https://github.com/marcohu/rules_antlr/pull/20
+        version = "754a240944f127bcc2b4a3090f228926b768e21f",
+        sha256 = "5b4668a85e74cd0f37bb7d7e255bc415fa151afc6e9d33edeb4009c146c422ba",
         strip_prefix = "rules_antlr-{version}",
         urls = ["https://github.com/marcohu/rules_antlr/archive/{version}.tar.gz"],
         # ANTLR has a runtime component, so is not purely build.
@@ -1092,15 +1093,15 @@ REPOSITORY_LOCATIONS_SPEC = dict(
             "envoy.filters.network.wasm",
             "envoy.stat_sinks.wasm",
         ],
-        release_date = "2019-06-21",
+        release_date = "2020-01-21",
         cpe = "N/A",
     ),
     antlr4_runtimes = dict(
         project_name = "ANTLR v4",
         project_desc = "ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files",
         project_url = "https://github.com/antlr/antlr4",
-        version = "4.7.2",
-        sha256 = "46f5e1af5f4bd28ade55cb632f9a069656b31fc8c2408f9aa045f9b5f5caad64",
+        version = "4.9.2",
+        sha256 = "6c86ebe2f3583ac19b199e704bdff9d70379f12347f7f2f1efa38051cd9a18cf",
         strip_prefix = "antlr4-{version}",
         urls = ["https://github.com/antlr/antlr4/archive/{version}.tar.gz"],
         use_category = ["dataplane_ext"],
@@ -1112,7 +1113,7 @@ REPOSITORY_LOCATIONS_SPEC = dict(
             "envoy.filters.network.wasm",
             "envoy.stat_sinks.wasm",
         ],
-        release_date = "2018-12-18",
+        release_date = "2021-03-11",
         cpe = "N/A",
     ),
     com_github_fdio_vpp_vcl = dict(