diff --git a/WORKSPACE b/WORKSPACE
index d5bd495..d2c65bc 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -49,10 +49,15 @@
 # Apple and Swift rules.
 http_archive(
     name = "build_bazel_rules_apple",
-    sha256 = "23792cd999f97fc97284d1c44cb1324bfdd0bc54aa68ad513fa3705aca3b1f9e",
-    urls = ["https://github.com/bazelbuild/rules_apple/releases/download/0.15.0/rules_apple.0.15.0.tar.gz"],
+    sha256 = "6efdde60c91724a2be7f89b0c0a64f01138a45e63ba5add2dca2645d981d23a1",
+    urls = ["https://github.com/bazelbuild/rules_apple/releases/download/0.17.2/rules_apple.0.17.2.tar.gz"],
 )  # https://github.com/bazelbuild/rules_apple/releases
 http_archive(
+    name = "build_bazel_rules_swift",
+    sha256 = "96a86afcbdab215f8363e65a10cf023b752e90b23abf02272c4fc668fcb70311",
+    urls = ["https://github.com/bazelbuild/rules_swift/releases/download/0.11.1/rules_swift.0.11.1.tar.gz"],
+)  # https://github.com/bazelbuild/rules_swift/releases
+http_archive(
     name = "build_bazel_apple_support",
     sha256 = "7356dbd44dea71570a929d1d4731e870622151a5f27164d966dda97305f33471",
     urls = ["https://github.com/bazelbuild/apple_support/releases/download/0.6.0/apple_support.0.6.0.tar.gz"],
@@ -63,11 +68,6 @@
     urls = ["https://github.com/bazelbuild/bazel-skylib/releases/download/0.8.0/bazel-skylib.0.8.0.tar.gz"],
 )  # https://github.com/bazelbuild/bazel-skylib/releases
 http_archive(
-    name = "build_bazel_rules_swift",
-    sha256 = "9efe9699e9765e6b4a5e063e4a08f6b163cccaf0443f775d935baf5c3cd6ed0e",
-    urls = ["https://github.com/bazelbuild/rules_swift/releases/download/0.9.0/rules_swift.0.9.0.tar.gz"],
-)  # https://github.com/bazelbuild/rules_swift/releases
-http_archive(
     name = "com_github_apple_swift_swift_protobuf",
     type = "zip",
     strip_prefix = "swift-protobuf-1.5.0/",